Kalmar Forklift Error Codes Engine. DTC

Reachstackers DRT 400 450,DRF 450, DRF 420-450L

When contacting engine suppliers, use the supplier code.

• Display indicates error code as shown in the machine, in

accordance with SAE J1939 in SPN/FMI

• The supplier code indicates the error code in accordance with the

engine manufacturer's specification.

Table Specifications FMI

FMI

Description

SAE-text

0

Too high value.

Data valid, but higher than normal operating range.

1

Too low value.

Data valid, but lower than normal operating range.

2

Incorrect data.

Intermittent or incorrect data.

3

Electrical problem.

Abnormally high voltage or short-circuit to higher voltage.

4

Electrical problem.

Abnormally low voltage or short-circuit to lower voltage.

5

Electrical problem.

Abnormally low current or open circuit.

6

Electrical problem.

Abnormally high current or short-circuit to ground.

7

Mechanical problem.

Incorrect response from mechanical system.

8

Mechanical problem or electrical problem.

Abnormal frequency.

9

Communication error.

Abnormal update rate.

10

Mechanical problem or electrical

problem.

Abnormally wide variations.

11

Unknown malfunction.

Non-identifiable malfunction.

12

Component error.

Incorrect unit or component.

13

Incorrect calibration.

Values outside calibration values.

14

Unknown malfunction.

Special instructions.

15

Unknown malfunction.

Reserved for future use.

Error codes engine (engine alternative Yuchai YC6M360-30)

Display

Sup-

plier

code

Description

Limitation

Action

95/3

P1015

Sensor pressure fuel

filter, signal high.

No limitation.

Check the cable

harness between

control unit and

sensor. Check the sensor.

95/4

P1016

Sensor pressure fuel

filter, signal low.

No limitation.

Check the cable

harness between

control unit and

sensor. Check the sensor.

95/7

P1018

Fuel filter clogged.

No limitation.

Change the fuel filter.

97/3

P2267

Water-in-fuel sensor

(B760), short circuit to

voltage.

No limitation.

Check the cable

harness between

control unit and

sensor. Check the sensor.

97/4

P2266

Water-in-fuel sensor

(B760), short circuit to

ground.

No limitation.

Check the cable

harness between

control unit and

sensor. Check the sensor.

97/11

P2269

Water in fuel.

No limitation.

Change the fuel prefilter.

98/2

P250B

Sensor engine oil

level, unreasonable

signal.

No limitation.

Check the cable

harness at the control

unit.

98/3

P250D

Sensor engine oil

level, short circuit to

voltage.

No limitation.

Check the cable

harness at the control

unit.

98/4

P250C

Sensor engine oil

level, short circuit to

ground.

No limitation.

Check the cable

harness at the control

unit.

98/12

P250A

Sensor engine oil

level, incorrect signal

via CAN bus.

No limitation.

Use diagnostic

menu to check

communication.

Check the cable

harness between

Control unit, cab

(D790-1) and Control

unit, engine (D794).

100/2

P0521

Sensor engine

oil pressure,

unreasonable signal.

No limitation.

Check the cable

harness between

control unit and

sensor.

Check the sensor.

Check the oil level in

the engine.

100/3

P0523

Sensor engine oil

pressure, short circuit

to voltage.

No limitation.

Check the cable

harness between

control unit and

sensor.

Check the sensor.

100/4

P0522

Sensor engine oil

pressure, short circuit

to ground.

No limitation.

Check the cable

harness between

control unit and

sensor.

Check the sensor.

100/12

P0520

Sensor engine oil

pressure, incorrect

signal via CAN bus.

No limitation.

Use diagnostic

menu to check

communication.

Check the cable

harness between

Control unit, cab

(D790-1) and Control

unit, engine (D794).

100/17

P0524

Low engine oil

pressure.

Reduced engine

power.

Check the oil level in

the engine.

Change oil filter.

Check the system

pressure valves and

the safety valve in the

lubrication system.

Check the sensor.

102/2

P0236

Sensor boost

pressure and

sensor air pressure,

unreasonable signal

combination.

Reduced engine

power.

Check the cable

harness between

control unit and

sensor.

Check the sensors.

102/3

P0238

Sensor boost

pressure, short circuit

to voltage.

Reduced engine

power.

Check the cable

harness between

control unit and

sensor. Check the sensor.

102/4

P0237

Sensor boost

pressure, short circuit

to ground.

Reduced engine

power.

Check the cable

harness between

control unit and

sensor. Check the sensor.

102/12

P0235

Sensor boost

pressure, incorrect

signal via CAN bus.

Reduced engine

power.

Use diagnostic

menu to check

communication.

Check the cable

harness between

Control unit, cab

(D790-1) and Control

unit, engine (D794).

105/3

P0098

Sensor intake

temperature, incorrect

signal. Short circuit to

voltage.

No limitation.

Check the cable

harness between

control unit and

sensor. Check the sensor.

105/4

P0097

Sensor intake

temperature, short

circuit to ground.

No limitation.

Check the cable

harness between

control unit and

sensor. Check the sensor.

105/12

P0099

Sensor intake

temperature, incorrect

signal via CAN bus.

No limitation.

Use diagnostic

menu to check

communication.

Check the cable

harness between

Control unit, cab

(D790-1) and Control

unit, engine (D794).

108/2

P2227

Sensor air pressure

and sensor

boost pressure,

unreasonable signal

combination.

Reduced engine

power.

 

Check the cable

harness between

control unit and

sensor. Check the sensors.

108/3

P2229

Sensor air pressure,

short circuit to voltage.

Reduced engine

power.

Check the cable

harness between

control unit and

sensor. Check the sensor.

108/4

P2228

Sensor air pressure,

short circuit to ground.

Reduced engine

power.

Check the cable

harness between

control unit and

sensor. Check the sensor.

108/12

P0000

Sensor air pressure,

incorrect signal via

CAN bus.

Reduced engine

power.

Use diagnostic

menu to check

communication.

Check the cable

harness between

Control unit, cab

(D790-1) and Control

unit, engine (D794).

110/2

P0116

Coolant temperature

sensor, the temperature is unreasonable in relation to the oil temperature.

Reduced engine

power.

Check the cable

harness between

control unit and

sensor. Check the sensor.

110/3

P0118

Sensor coolant

temperature, short

circuit to voltage.

Reduced engine

power.

Check the cable

harness between

control unit and

sensor. Check the sensor.

Dis

play

Sup-

plier

code

Description

Limitation

Action

110/4

P0117

Sensor coolant temperature, short

circuit to ground.

Reduced engine

power.

Check the cable harness between control unit and

sensor. Check the sensor.

110/12

P0115

Sensor coolant

temperature, incorrect

signal via CAN bus.

Reduced engine

power.

Use diagnostic menu to check

communication. Check the cable harness between

Control unit, cab (D790-1) and Control unit, engine (D794).

110/15

P0217

Coolant temperature

too high

No limitation.

Check the coolant

level. Check that radiator is

clean. Check the thermostat.

Check the cap on the expansion tank. Check if there is air in coolant system.

Check the cable harness between control unit and

sensor. Check the sensor.

111/2

P2557

Sensor coolant level,

unreasonable signal

combination.

No limitation.

Check the cable

harness at the control

unit.

111/3

P2559

Sensor coolant level,

short circuit to voltage.

No limitation.

Check the cable

harness at the control

unit.

111/4

P2558

Sensor coolant level,

short circuit to voltage.

No limitation.

Check the cable

harness at the control

unit.

111/12

P2556

Sensor coolant level,

open circuit.

No limitation.

Check the cable

harness at the control unit.

132/3

P0101

Mass air flow sensor,

signal deviation too

high.

No limitation.

Check the cable

harness at the control unit.

132/3

P0103

Mass air flow sensor,

air flow too high.

No limitation.

Check the cable

harness at the control unit.

132/4

P0101

Mass air flow sensor,

signal deviation too low.

No limitation.

Check the cable

harness at the control unit.

132/4

P0102

Mass air flow sensor,

air flow too low.

No limitation.

Check the cable

harness at the control unit.

157/3

P0193

Sensor fuel pressure,

short circuit to voltage.

Reduced engine power.

Check the cable

harness between

control unit and

sensor. Check the sensor.

157/4

P0192

Sensor fuel pressure,

short circuit to ground.

Reduced engine power.

Check the cable

harness between

control unit and

sensor. Check the sensor.

157/15

P0191

Sensor fuel pressure,

signal deviation too high.

Reduced engine power.

Check the cable

harness between

control unit and

sensor. Check the sensor.

157/17

P0191

Sensor fuel pressure,

signal deviation too high.

Reduced engine power.

Check the cable

harness between

control unit and

sensor. Check the sensor.

158/12

P2533

Ignition key lock, open

circuit.

No limitation.

Check the cable

harness at the control unit.

168/3

P0563

High battery voltage.

No limitation.

Check the voltage

feed. If equipment for

assisted start is connected, disconnect it.

168/4

P0562

Low battery voltage.

The engine may be difficult to start.

Check and charge the

batteries. Check the cable

harness to the control unit.

Check alternator, battery and cable harness between

battery and alternator.

171/3

P0073

Sensor outdoor

temperature, short

circuit to voltage.

No limitation.

Check the cable

harness at the control unit.

171/4

P0072

Sensor outdoor

temperature, short

circuit to ground.

No limitation.

Check the cable

harness at the control unit.

171/12

P0071

Sensor outdoor

temperature, incorrect

signal via CAN bus.

No limitation.

Use diagnostic menu to check

communication. Check the cable harness between Control unit, cab (D790-1) and Control unit, engine (D794).

172/3

P0113

Sensor intake temperature, high signal.

No limitation.

Check the cable harness between control unit and

sensor. Check the sensor.

172/4

P0112

Sensor intake temperature, low signal.

No limitation.

Check the cable harness between control unit and

sensor. Check the sensor.

174/3

P0183

Sensor fuel

temperature, short

circuit to voltage.

No limitation.

Check the cable harness between control unit and

sensor. Check the sensor.

174/4

P0182

Sensor fuel

temperature, short

circuit to ground.

No limitation.

Check the cable harness between control unit and

sensor. Check the sensor.

175/3

P0198

Sensor engine oil

temperature, short

circuit to voltage.

No limitation.

Check the cable harness between control unit and

sensor. Check the sensor.

175/4

P0197

Sensor engine oil

temperature, short

circuit to ground.

No limitation.

Check the cable harness between control unit and

sensor. Check the sensor.

175/12

P0195

Sensor engine oil

temperature, incorrect

signal via CAN bus.

No limitation.

Use diagnostic menu to check

communication. Check the cable harness between

Control unit, cab (D790-1) and Control unit, engine (D794).

175/17

P0196

High oil temperature.

No limitation.

Check the oil level. Check coolant temperature and level.

190/7

P0016

Sensor camshaft and

sensor crankshaft,

unreasonable signal

combination.

No limitation.

Check the cable harness between control unit and

sensors. Check the sensors.

190/11

P0336

Sensor rotation speed

crankshaft, irregular

signal.

The engine is

extremely difficult to start and runs

unevenly or stops.Reduced engine power.

Check the cable harness between control unit and

sensor. Check the sensor.

 

 

190/12

P0008

Sensor camshaft rotation speed, signal error.

No limitation.

Check the cable harness between control unit and

sensor. Check the sensor.

190/12

P0335

Sensor rotation speed

crankshaft, no signal.

The engine is

extremely difficult to start and runs

unevenly or stops.Reduced engine power.

Check the cable harness between control unit and

sensor. Check the sensor.

520/11

UD13A

CAN bus,

communication error.

No limitation.

Use diagnostic menu to check

communication. Check the cable harness between

Control unit, cab (D790-1) and Control unit, engine (D794).

520/12

UD13B

CAN bus,

communication error.

No limitation.

Use diagnostic menu to check

communication. Check the cable harness between Control unit, cab (D790-1) and Control unit, engine (D794).

533/15

P0219

Engine speed too high.

No limitation.

Check the fuel pressure.

Check the cable harness between control unit and

sensors. Check sensor

camshaft rotation speed and sensor crankshaft.

596/2

P0564

Cruise control input,

unreasonable signal.

No limitation.

Check the cable

harness at the control unit.

597/2

P0504

The signal from the

brake pedal does not

correspond with the

accelerator pedal.

No limitation.

Check the cable

harness at the control unit.

597/12

P0571

Brake pedal, incorrect

signal via CAN bus.

No limitation.

Use diagnostic menu to check

communication. Check the cable harness between

Control unit, cab (D790-1) and Control unit, engine (D794).

598/2

P0704

Sensor clutch,

unreasonable signal.

No limitation.

Check the cable harness at the control unit.

Dis

play

Sup-

plier

code

Description

Limitation

Action

598/12

P0704

Sensor clutch,

incorrect signal via

CAN bus.

No limitation.

Use diagnostic

menu to check

communication.

Check the cable

harness between

Control unit, cab

(D790-1) and Control

unit, engine (D794).

624/2

P1626

Drive circuit lamp 1,

overheating.

No limitation.

Check the cable

harness at the control

unit.

624/2

P162A

Drive circuit lamp 2,

overheating.

No limitation.

Check the cable

harness at the control

unit.

624/2

P162E

Drive circuit lamp 3,

overheated.

No limitation.

Check the cable

harness at the control

unit.

624/2

P161C

Drive circuit system

lamp, overheated.

No limitation.

Check the cable

harness at the control

unit.

624/2

P1632

Drive circuit warning

lamp, overheated.

No limitation.

Check the cable

harness at the control

unit.

624/3

P1623

Drive circuit lamp 1,

short circuit to voltage.

No limitation.

Check the cable

harness at the control

unit.

624/3

P1627

Drive circuit lamp 2,

short circuit to voltage.

No limitation.

Check the cable

harness at the control

unit.

624/3

P162B

Drive circuit lamp 3,

short circuit to voltage.

No limitation.

Check the cable

harness at the control

unit.

624/3

P1619

Drive circuit system

lamp, short circuit to

voltage.

No limitation.

Check the cable

harness at the control

unit.

624/3

P162F

Drive circuit warning

lamp, short circuit to

voltage.

No limitation.

Check the cable

harness at the control

unit.

624/4

P1624

Drive circuit lamp 1,

short circuit to ground.

No limitation.

Check the cable

harness at the control

unit.

624/4

P1628

Drive circuit lamp 2,

short circuit to ground.

No limitation.

Check the cable

harness at the control

unit.

624/4

P162C

Drive circuit lamp 3,

short circuit to ground.

No limitation.

Check the cable

harness at the control

unit.

624/4

P161A

Drive circuit system

lamp, short circuit to

ground.

No limitation.

Check the cable

harness at the control

unit.

624/4

P1630

Drive circuit warning

lamp, short circuit to

ground.

No limitation.

Check the cable

harness at the control

unit.

624/12

P1625

Drive circuit lamp 1,

open circuit.

No limitation.

Check the cable

harness at the control

unit.

624/12

P1629

Drive circuit lamp 2,

open circuit.

No limitation.

Check the cable

harness at the control

unit.

624/12

P162D

Drive circuit lamp 3,

open circuit.

No limitation.

Check the cable

harness at the control

unit.

624/12

P161B

Drive circuit system

lamp, open circuit.

No limitation.

Check the cable

harness at the control

unit.

624/12

P1631

Drive circuit warning

lamp, open circuit.

No limitation.

Check the cable

harness at the control

unit.

630/2

P062F

Internal error engine

control unit.

 

No limitation.

Contact Yuchai

service.

630/4

P062F

630/12

P062F

636/11

P0341

Sensor rotation speed

camshaft, irregular

signal.

The engine takes

longer to start than

normal. The engine

is running normally

once it has started.

Check the cable

harness between

control unit and

sensor.

Check the sensor.

636/12

P0340

Sensor rotation speed

camshaft, no signal.

The engine takes

longer to start than

normal. The engine

is running normally

once it has started.

Check the cable

harness between

control unit and

sensor.

Check the sensor.

639/12

UC029

CAN bus (A), electrical

problem.

No limitation.

Use diagnostic

menu to check

communication.

Check the cable

harness between

Control unit, cab

(D790-1) and Control

unit, engine (D794).

645/3

P1511

Sensor machine

speed, incorrect signal

form.

Engine speed is

limited.

Check the cable

harness between

control unit and

sensor.

Check the sensor.

645/4

P1512

Sensor machine

speed, incorrect signal

form.

Engine speed is

limited.

Check the cable

harness between

control unit and

sensor.

Check the sensor.

645/12

P1513

Sensor machine

speed, incorrect signal

form.

Engine speed is

limited.

Check the cable

harness between

control unit and

sensor.

Check the sensor.

651/3

P0262

Injector cylinder 1,

short circuit to ground.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and

injector. Check the injector.

651/8

P0261

Injector cylinder 1,

short circuit between

cables.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and

injector. Check the injector.

651/11

P0263

Injector cylinder 1,

installation-dependent

error.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and

injector. Check the injector.

651/11

P0263

Injector cylinder 1,

indefinable error.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and

injector. Check the injector.

651/11

P1213

Injector cylinder 1,

installation-dependent

error.

No limitation.

Check the cable harness between control unit and

injector. Check the injector.

651/11

P1214

Injector cylinder 1,

installation-dependent

error.

No limitation.

Check the cable harness between control unit and

injector. Check the injector.

651/11

P1215

Injector cylinder 1,

installation-dependent

error.

No limitation.

Check the cable harness between control unit and

injector. Check the injector.

651/12

P0201

Injector cylinder 1,

open circuit.

No limitation.

Check the cable harness between control unit and

injector. Check the injector.

652/3

P0265

Injector cylinder 2,

short circuit to ground.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and

injector. Check the injector.

652/8

P0264

Injector cylinder 2,

short circuit between

cables.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and

injector. Check the injector.

652/11

P0266

Injector cylinder 2,

installation-dependent

error.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and injector. Check the injector.

652/11

P0266

Injector cylinder 2,

indefinable error.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and injector. Check the injector.

652/11

P1216

Injector cylinder 2,

installation-dependent

error.

No limitation.

Check the cable harness between control unit and injector. Check the injector.

652/11

P1217

Injector cylinder 2,

installation-dependent

error.

No limitation.

Check the cable harness between control unit and injector. Check the injector.

652/11

P1218

Injector cylinder 2,

installation-dependent

error.

No limitation.

Check the cable harness between control unit and injector. Check the injector.

652/12

P0202

Injector cylinder 2,

installation-dependent

error.

No limitation.

Check the cable harness between control unit and injector. Check the injector.

653/3

P0268

Injector cylinder 3,

short circuit to ground.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and injector. Check the injector.

653/8

P0267

Injector cylinder 3,

short circuit between

cables.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and injector. Check the injector.

653/11

P0269

Injector cylinder 3,

installation-dependent

error.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and injector. Check the injector.

653/11

P0269

Injector cylinder 3,

indefinable error.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and injector. Check the injector.

653/11

P1219

Injector cylinder 3,

installation-dependent

error.

No limitation.

Check the cable harness between control unit and

injector. Check the injector.

653/11

P121A

Injector cylinder 3,

installation-dependent

error.

No limitation.

Check the cable harness between control unit and

injector. Check the injector.

653/11

P121B

Injector cylinder 3,

installation-dependent

error.

No limitation.

Check the cable harness between control unit and

injector. Check the injector.

653/12

P0203

Injector cylinder 3,

installation-dependent

error.

No limitation.

Check the cable harness between control unit and

injector. Check the injector.

654/3

P0271

Injector cylinder 4,

short circuit to ground.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and

injector. Check the injector.

654/8

P0270

Injector cylinder 4,

short circuit between

cables.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and

injector. Check the injector.

654/11

P0272

Injector cylinder 4,

installation-dependent

error.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and

injector. Check the injector.

654/11

P0272

Injector cylinder 4,

indefinable error.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and

injector. Check the injector.

654/11

P121C

Injector cylinder 4,

installation-dependent

error.

No limitation.

Check the cable harness between control unit and

injector. Check the injector.

654/11

P121D

Injector cylinder 4,

installation-dependent

error.

No limitation.

Check the cable harness between control unit and

injector. Check the injector.

654/11

P121E

Injector cylinder 4,

installation-dependent

error.

No limitation.

Check the cable harness between control unit and

injector. Check the injector.

654/12

P0204

Injector cylinder 4,

open circuit.

No limitation.

Check the cable harness between control unit and

injector. Check the injector.

655/3

P0274

Injector cylinder 5,

short circuit to ground.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and

injector. Check the injector.

655/8

P0273

Injector cylinder 5,

short circuit between

cables.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and

injector. Check the injector.

655/11

P0275

Injector cylinder 5,

installation-dependent

error.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and

injector. Check the injector.

655/11

P0275

Injector cylinder 5,

indefinable error.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and

injector. Check the injector.

655/11

P121F

Injector cylinder 5,

installation-dependent

error.

No limitation.

 

Check the cable harness between control unit and

injector. Check the injector.

655/11

P1220

Injector cylinder 5,

installation-dependent

error.

No limitation.

Check the cable harness between control unit and

injector. Check the injector.

655/11

P1221

Injector cylinder 5,

installation-dependent

error.

No limitation.

Check the cable harness between control unit and

injector. Check the injector.

655/12

P0205

Injector cylinder 5,

open circuit.

No limitation.

Check the cable harness between control unit and

injector. Check the injector.

656/3

P0277

Injector cylinder 6,

short circuit to ground.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and

injector. Check the injector.

656/8

P0276

Injector cylinder 6,

short circuit between

cables.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and

injector. Check the injector.

656/11

P0278

Injector cylinder 6,

installation-dependent

error.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and

injector. Check the injector.

656/11

P0278

Injector cylinder 6,

indefinable error.

Engine only runs on

3 cylinders and has

reduced power.

Check the cable harness between control unit and

injector. Check the injector.

656/11

P1222

Injector cylinder 6,

installation-dependent

error.

No limitation.

Check the cable harness between control unit and

injector. Check the injector.

656/11

P1223

Injector cylinder 6,

installation-dependent

error.

No limitation.

Check the cable harness between control unit and

injector. Check the injector.

656/11

P1224

Injector cylinder 6,

installation-dependent

error.

No limitation.

Check the cable harness between control unit and

injector. Check the injector.

656/12

P0206

Injector cylinder 6,

open circuit.

No limitation.

Check the cable harness between control unit and

injector. Check the injector.

676/7

P0540

Relay, preheating

(K312), signal error.

No limitation.

Check the cable harness between control unit and

component. Check the component.

677/3

P0617

P1638

Relay starter motor,

short circuit to voltage

or activated too long.

No limitation.

Check the cable harness at the control unit.

677/4

P0616

P1639

Relay starter motor,

short circuit to ground.

No limitation.

Check the cable

harness at the control

unit.

677/5

P163A

Relay starter motor,

open circuit.

No limitation.

Check the cable

harness at the control

unit.

729/3

P0541

Relay preheating

(K312), short circuit to

ground.

No limitation.

Check the cable

harness between

control unit and

component.

Check the component.

729/3

P0542

Relay preheating

(K312), short circuit to

voltage.

No limitation.

Check the cable

harness between

control unit and

component.

Check the component.

729/3

P1020

Relay preheating

(K312), high signal.

No limitation.

Check the cable

harness between

control unit and

component.

Check the component.

729/4

P1021

Relay preheating

(K312), active too

short time.

No limitation.

Check the cable

harness between

control unit and

component.

Check the component.

730/3

P1022

Relay preheating

(K312), high signal.

No limitation.

Check the cable

harness between

control unit and

component.

Check the component.

730/4

P1023

Relay preheating

(K312), low signal.

No limitation.

Check the cable

harness between

control unit and

component.

Check the component.

898/11

UD10E

CAN bus,

communication error.

No limitation.

Use diagnostic

menu to check

communication.

Check the cable

harness between

Control unit, cab

(D790-1) and Control

unit, engine (D794).

898/12

UD10F

CAN bus,

communication error.

No limitation.

 

 

 

 

 

970/3

P1617

Voltage error at

shut-off, high battery

voltage.

Reduced engine

power.

Check the cable

harness at the control

unit.

Check the component.

970/4

P1618

Voltage error at

shut-off, low battery

voltage.

Reduced engine

power.

Check the cable

harness at the control

unit.

Check the component.

970/12

P1616

Voltage error at

shut-off, monitoring

switched off.

Reduced engine

power.

Check the cable

harness at the control

unit.

Check the component.

985/2

P2519

AC compressor,

incorrect CAN

message.

No limitation.

Use diagnostic

menu to check

communication.

Check the cable

harness between

Control unit, cab

(D790-1) and Control

unit, engine (D794).

985/12

P2519

AC compressor,

incorrect CAN

message.

No limitation.

Use diagnostic

menu to check

communication.

Check the cable

harness between

Control unit, cab

(D790-1) and Control

unit, engine (D794).

1041/7

P2530

Ignition key lock,

incorrect signal.

No limitation.

Check the cable

harness at the control

unit.

1041/8

P2530

Switch remote start

engine, fixed in

activated position.

No limitation.

Check the cable

harness at the control

unit.

1071/2

P0483

Drive circuit cooling

fan, overheated.

No limitation.

Check the cable

harness at the control

unit.

1071/3

P0692

Drive circuit cooling

fan, short circuit to

voltage.

No limitation.

Check the cable

harness at the control

unit.

1071/3

P0694

Drive circuit cooling

fan 2, short circuit to

voltage.

No limitation.

Check the cable

harness at the control

unit.

1071/4

P0691

Drive circuit cooling

fan, short circuit to

ground.

No limitation.

Check the cable

harness at the control

unit.

1071/4

P0693

Drive circuit cooling

fan 2, short circuit to

ground.

No limitation.

Check the cable

harness at the control

unit.

1071/12

P0480

Drive circuit cooling

fan, open circuit.

No limitation.

Check the cable

harness at the control

unit.

1072/3

P0080

Drive circuit brake

valve, short circuit to

voltage.

No limitation.

Check the cable

harness at the control

unit.

Dis

play

Sup-

plier

code

Description

Limitation

Action

1072/4

P0079

Drive circuit brake

valve, short circuit to

ground.

No limitation.

Check the cable harness at the control unit.

1072/255

P1633

Drive circuit brake

valve, open circuit.

No limitation.

Check the cable harness at the control unit.

1072/255

P1634

Drive circuit brake

valve, short circuit to

voltage.

No limitation.

Check the cable harness at the control unit.

1074/2

P0476

Drive circuit exhaust

brake, overheated.

No limitation.

Check the cable harness at the control unit.

1074/3

P0478

Drive circuit exhaust

brake, short circuit to

voltage.

No limitation.

Check the cable harness at the control unit.

1074/4

P0477

Drive circuit exhaust

brake, short circuit to

ground.

No limitation.

Check the cable harness at the control unit.

1074/12

P0476

Drive circuit exhaust

brake, open circuit.

No limitation.

Check the cable harness at the control unit.

1079/3

P0643

Voltage feed 1 sensor

engine, high signal.

Reduced engine

power.

Check the cable harness at the control unit.

1079/4

P0642

Voltage feed 1 sensor

engine, low signal.

No limitation.

Check the cable harness at the control unit.

1080/3

P0653

Voltage feed 2 sensor

engine, high signal.

Reduced engine

power.

Check the cable harness at the control unit.

1080/4

P0652

Voltage feed 2 sensor

engine, low signal.

No limitation.

Check the cable harness at the control unit.

1081/2

P1638

Drive circuit indicator

light preheating,

overheated.

No limitation.

Check the cable harness between control unit and

component.

Check the component.

1081/3

P1635

Drive circuit indicator

light preheating, short

circuit to voltage.

No limitation.

Check the cable harness between control unit and

component.

Check the component.

1081/4

P1636

Drive circuit indicator

light preheating, short

circuit to ground.

No limitation.

Check the cable harness between control unit and

component.

Check the component.

1072/4

P0079

Drive circuit brake

valve, short circuit to

ground.

No limitation.

Check the cable harness at the control unit.

1072/255

P1633

Drive circuit brake

valve, open circuit.

No limitation.

Check the cable harness at the control unit.

1072/255

P1634

Drive circuit brake

valve, short circuit to

voltage.

No limitation.

Check the cable harness at the control unit.

1074/2

P0476

Drive circuit exhaust

brake, overheated.

No limitation.

Check the cable harness at the control unit.

1074/3

P0478

Drive circuit exhaust

brake, short circuit to

voltage.

No limitation.

Check the cable harness at the control unit.

1074/4

P0477

Drive circuit exhaust

brake, short circuit to

ground.

No limitation.

Check the cable harness at the control unit.

1074/12

P0476

Drive circuit exhaust

brake, open circuit.

No limitation.

Check the cable harness at the control unit.

1079/3

P0643

Voltage feed 1 sensor

engine, high signal.

Reduced engine

power.

Check the cable harness at the control unit.

1079/4

P0642

Voltage feed 1 sensor

engine, low signal.

No limitation.

Check the cable harness at the control unit.

1080/3

P0653

Voltage feed 2 sensor

engine, high signal.

Reduced engine

power.

Check the cable harness at the control unit.

1080/4

P0652

Voltage feed 2 sensor

engine, low signal.

No limitation.

Check the cable harness at the control unit.

1081/2

P1638

Drive circuit indicator

light preheating,

overheated.

No limitation.

Check the cable harness between control unit and

component.

Check the component.

1081/3

P1635

Drive circuit indicator

light preheating, short

circuit to voltage.

No limitation.

Check the cable harness between control unit and

component.

Check the component.

1081/4

P1636

Drive circuit indicator

light preheating, short

circuit to ground.

No limitation.

Check the cable harness between control unit and

component.

Check the component.

1081/12

P1637

Drive circuit indicator

light preheating, open

circuit.

No limitation.

Check the cable

harness between

control unit and

component.

Check the component.

1108/16

P1613

Engine speed too

high.

No limitation.

Check the cable

harness between

control unit and the

components.

Check sensor

camshaft rotation

speed and sensor

crankshaft.

Check the fuel

pressure.

1192/2

P0046

Valve boost pressure

control, overheating.

No limitation.

Check the cable

harness at the control

unit.

1192/3

P0048

Valve boost pressure

control, short circuit to voltage.

No limitation.

Check the cable

harness at the control

unit.

1192/3

P1000

Valve boost pressure

control, signal too

high.

No limitation.

Check the cable

harness at the control

unit.

1192/4

P0047

Valve boost pressure

control, short circuit to ground.

No limitation.

Check the cable

harness at the control

unit.

1192/4

P1001

Valve boost pressure

control, signal too low.

No limitation.

Check the cable

harness at the control

unit.

1192/12

P0045

Valve boost pressure

control, open circuit.

No limitation.

Check the cable

harness at the control

unit.

1192/12

P1002

Valve boost pressure

control, incorrect

signal.

No limitation.

Check the cable

harness at the control

unit.

1213/2

P0650

Drive circuit warning

lamp engine fault,

overheated.

No limitation.

Check the cable

harness between

control unit and

component.

1213/3

P0650

Drive circuit warning

lamp engine fault,

short circuit to voltage.

No limitation.

Check the cable

harness at the control

unit.

1213/4

P0650

Drive circuit warning

lamp engine fault,

short circuit to ground.

No limitation.

Check the cable

harness at the control

unit.

1213/12

P0650

Drive circuit warning

lamp engine fault,

open circuit.

No limitation.

Check the cable

harness at the control

unit.

Dis

play

Sup-

plier

code

Description

Limitation

Action

1231/12

UC038

CAN bus (C), electrical

problem.

No limitation.

Use diagnostic menu to check communication.

Check the cable harness between Control unit, cab

(D790-1) and Control unit, engine (D794).

1235/12

UC047

1322/3

P0300

Misfiring on multiple

cylinders.

Reduced engine

power.

Contact Yuchai

service.

1323/3

P0301

Misfiring cylinder 1.

Reduced engine

power.

Contact Yuchai

service.

1324/3

P0302

Misfiring cylinder 2.

Reduced engine

power.

Contact Yuchai

service.

1325/3

P0303

Misfiring cylinder 3.

Reduced engine

power.

Contact Yuchai

service.

1326/3

P0304

Misfiring cylinder 4.

Reduced engine

power.

Contact Yuchai

service.

1327/3

P0305

Misfiring cylinder 5.

Reduced engine

power.

Contact Yuchai

service.

1328/3

P0306

Misfiring cylinder 6.

Reduced engine

power.

Contact Yuchai

service.

1351/2

P0645

Drive circuit

AC compressor,

overheated.

No limitation.

Check the cable

harness at the control

unit.

1351/3

P0647

Drive circuit AC

compressor, short

circuit to voltage.

No limitation.

Check the cable

harness at the control

unit.

1351/4

P0646

Drive circuit AC

compressor, short

circuit to ground.

No limitation.

Check the cable

harness at the control

unit.

1351/12

P0645

Drive circuit AC

compressor, open

circuit.

No limitation.

Check the cable

harness at the control

unit.

1485/3

P0687

Main relay 2, electrical

problem.

No limitation.

Check the cable

harness at the control

unit.

1485/4

P0686

Main relay 2, electrical

problem.

No limitation.

Check the cable

harness at the control

unit.

1624/3

P2158

Sensor machine speed, speed too high.

No limitation.

Check the cable

harness at the control

unit.

1624/4

P2160

Sensor machine

speed, speed too low.

No limitation.

Check the cable

harness at the control

unit.

1624/12

P2157

Sensor machine

speed, speed

message via CAN

bus incorrect.

Engine speed is

limited.

Use diagnostic

menu to check

communication.

Check the cable

harness between

Control unit, cab

(D790-1) and Control

unit, engine (D794).

1624/255

P2159

Sensor machine

speed, unreasonable

speed.

Engine speed is

limited.

Check the cable

harness at the control

unit.

1639/3

P0526

Sensor fan speed,

short circuit to voltage.

No limitation.

Check the cable

harness at the control

unit.

1639/4

P0527

Sensor fan speed,

short circuit to ground.

No limitation.

Check the cable

harness at the control

unit.

2634/3

P160E

Main relay, short

circuit to voltage.

No limitation.

Check the cable

harness at the control

unit.

2634/4

P160F

Main relay, short

circuit to ground.

No limitation.

Check the cable

harness at the control

unit.

2791/2

P0403

Drive circuit EGR

valve, overheating.

No limitation.

Check the cable

harness at the control

unit.

2791/3

P0490

Drive circuit EGR

valve, short circuit to

voltage.

No limitation.

Check the cable

harness at the control

unit.

2791/4

P0489

Drive circuit EGR

valve, short circuit to

ground.

No limitation.

Check the cable

harness at the control

unit.

2791/5

P0404

Drive circuit EGR

valve, open circuit.

No limitation.

Check the cable

harness at the control

unit.

520192/2

P063B

Voltage feed speed

sensor, incorrect

signal (ADC).

The engine is only

running at idle.

Check the cable

harness between

control unit and

sensor.

Check the sensor.

 

520192/3

P060B

Voltage feed speed

sensor, signal too high

(ADC).

The engine is only

running at idle.

Check the cable

harness between

control unit and

sensor.

Check the sensor.

520192/4

P061B

Voltage feed speed

sensor, signal too low

(ADC).

The engine is only

running at idle.

Check the cable

harness between

control unit and

sensor.

Check the sensor.

Dis

play

Sup-

plier

code

Description

Limitation

Action

520192/11

P062B

Voltage feed speed

sensor, incorrect test

impulse(ADC).

The engine is only

running at idle.

Check the cable

harness between

control unit and

sensor.

Check the sensor.

520193/3

P0103

Mass air flow sensor,

air flow too high.

No limitation.

Check the cable

harness at the control

unit.

520193/4

P0102

Mass air flow sensor,

air flow too low,

No limitation.

Check the cable

harness at the control

unit.

520194/2

P0649

Warning lamp speed

limitation, overheated.

No limitation.

Check the cable

harness at the control

unit.

520194/3

P0649

Warning lamp speed

limitation, short circuit

to voltage.

No limitation.

Check the cable

harness at the control

unit.

520194/4

P0649

Warning lamp speed

limitation, short circuit

to ground.

No limitation.

Check the cable

harness at the control

unit.

520194/5

P0649

Warning lamp speed

limitation, open circuit.

No limitation.

Check the cable

harness at the control

unit.

520195/15

P0402

EGR control, signal

too high.

No limitation.

Check the cable

harness at the control

unit.

520196/17

P0401

EGR control, signal

too low.

No limitation.

Check the cable

harness at the control

unit.

520197/3

P022C

Bypass valve cold

start, short circuit to

voltage.

No limitation.

Check the cable

harness at the control

unit.

520197/4

P022B

Bypass valve cold

start, short circuit to

ground.

No limitation.

Check the cable

harness at the control

unit.

520197/12

P022A

Bypass valve cold

start, open circuit.

No limitation.

Check the cable

harness at the control

unit.

520198/2

P0116

Sensor coolant

temperature,

unreasonable signal.

No limitation.

Check the cable

harness between

control unit and

sensor.

Check the sensor.

 

520198/2

P0116

Sensor coolant

temperature,

unreasonable signal.

No limitation.

Check the cable

harness between

control unit and

sensor.

Check the sensor.

520199/2

P0856

DCS, unreasonable

signal.

No limitation.

Check the cable

harness at the control

unit.

520200/20

P161F

Incorrect compression

test.

No limitation.

contact Yuchai

service.

520201/3

P1505

Sensor outdoor

temperature (BET),

signal too high.

No limitation.

Check the cable

harness at the control

unit.

520201/4

P1506

Sensor outdoor

temperature (BET),

signal too low.

No limitation.

Check the cable

harness at the control

unit.

520202/3

P1507

Sensor outdoor

temperature (ClgZn),

signal too high.

No limitation.

Check the cable

harness at the control

unit.

520202/4

P1508

Sensor outdoor

temperature (ClgZn),

signal too low.

No limitation.

Check the cable

harness at the control

unit.

520203/3

P1509

Sensor intake

temperature, signal

too high.

No limitation.

Check the cable

harness between

control unit and

sensor. Check the sensor.

520203/4

P150A

Sensor intake

temperature, signal

too low.

No limitation.

Check the cable

harness between

control unit and

sensor. Check the sensor.

520204/2

P1635

Switch exhaust brake,

unreasonable signal.

No limitation.

Check the cable

harness at the control

unit.

520205/3

P245D

EGR valve, short

circuit to voltage or

overheated.

No limitation.

Check the cable

harness at the control

unit.

520205/4

P245C

EGR valve, short

circuit to ground.

No limitation.

Check the cable

harness at the control

unit.

520205/12

P245A

EGR valve, open

circuit.

No limitation.

Check the cable

harness at the control

unit.

520206/2

P0470

Exhaust back

pressure sensor,

unreasonable signal.

No limitation.

Check the cable

harness at the control

unit.

520206/3

P0473

Sensor exhaust back

pressure, signal too

high.

No limitation.

Check the cable

harness at the control

unit.

520206/4

P0472

Sensor exhaust back

pressure, signal too

low.

No limitation.

Check the cable

harness at the control

unit.

520207/3

P1008

Relay heating coil fuel

filter, short circuit to

voltage.

No limitation.

Check the cable

harness at the control

unit.

Dis

play

Sup-

plier

code

Description

Limitation

Action

520207/4

P1009

Relay heating coil fuel

filter, short circuit to

ground.

No limitation.

Check the cable harness at the control unit.

520208/2

P0409

Sensor airflow EGR

valve, unreasonable

signal.

No limitation.

Check the cable harness at the control unit.

520208/3

P0406

Sensor airflow EGR

valve, short circuit to

voltage.

No limitation.

Check the cable harness at the control unit.

520208/4

P0405

Sensor airflow EGR

valve, short circuit to

ground.

No limitation.

Check the cable harness at the control unit.

520208/12

P0409

Sensor airflow EGR

valve, open circuit.

No limitation.

Check the cable harness at the control unit.

520209/2

P040B

Sensor exhaust

temperature,

unreasonable signal.

No limitation.

Check the cable harness at the control unit.

520209/3

P040D

Sensor exhaust

temperature, short

circuit to voltage.

No limitation.

Check the cable harness at the control unit.

520209/4

P040C

Sensor exhaust

temperature, short

circuit to ground.

No limitation.

Check the cable harness at the control unit.

520209/12

P040A

Sensor exhaust

temperature, open

circuit.

No limitation.

Check the cable harness at the control unit.

520210/3

or/255

UC158

Communication error,

display.

No limitation.

Check the cable harness at the control unit.

520211/12

P0000

Communication error,

CAN bus.

No limitation.

Use diagnostic

menu to check

communication.

Check the cable

harness between

Control unit, cab

(D790-1) and Control

unit, engine (D794).

520212/3

UD100

520213/12

UC103

520214/12

UC113

520215/3

UD101

520216/3

UC156

520217/3

UD103

520218/3

UD10C

520218/4

UD10D

520218/12

UD104

520219/3

UD110

520219/12

UD111

520220/3

UD112

520220/12

UD113

520222/14

P0607

Internal error engine

control unit.

Engine switched

off: engine cannot

be started. Engine

running: engine

misfires.

Contact Yuchai

service.

 

 

 

520222/14

P0607

520222/14

P0607

520223/20

P160C

Fuel injection, test

mode.

No limitation.

Contact Yuchai

service.

520224/3

P150B

Sensor air humidity,

signal too high.

No limitation.

Check the cable

harness at the control

unit.

520224/4

P150C

Sensor air humidity,

signal too low.

No limitation.

Check the cable

harness at the control unit.

520225/11

P1302

Injection error,

software error.

No limitation.

Check the cable

harness at the control unit.

520225/15

P1301

Injection error, uneven amount of fuel

between the cylinders.

No limitation.

Check the cable

harness at the control

unit.

520225/16

P1300

Injection error, uneven output between the cylinders.

No limitation.

Check the cable

harness at the control

unit.

520226/12

P1225

Pressure fault on

multiple injectors.

The engine is

switched off.

Check the injectors.

520227/2

P154C

Multi-function lever,

unreasonable

position.

No limitation.

Check the cable

harness at the control

unit.

520227/3

P154A

Multi-function lever,

short circuit to voltage.

No limitation.

Check the cable

harness at the control

unit.

520227/4

23/04

Multi-function lever,

short circuit to ground.

No limitation.

Check the cable

harness at the control

unit.

520228/15

P1614

Sensor engine speed,

unreasonable signal

No limitation.

Check the cable

harness between

control unit and

sensor. Check the sensor.

520229/15

P2263

Intake pressure

difference too high.

No limitation.

Check the cable

harness between

control unit and

sensor. Check the sensor.

520230/17

P2263

Intake pressure

difference too low.

No limitation.

Check the cable

harness between

control unit and

sensor. Check the sensor.

520231/2

P062A

Feed pump,

overheated.

No limitation.

Check the cable

harness between

control unit and component. Check the component.

520231/3

P0629

Feed pump, short

circuit to voltage.

No limitation.

Check the cable

harness between

control unit and

component.

Check the component.

520231/4

P0628

Feed pump, short

circuit to ground.

No limitation.

Check the cable

harness between

control unit and

component.

Check the component.

520231/12

P0627

Feed pump, open

circuit.

No limitation.

Check the cable

harness between

control unit and

component.

Check the component.

520232/255

P1615

Test mode.

No limitation.

Contact Yuchai

service.

520233/20

P1621

Test mode.

No limitation.

Contact Yuchai

service.

520234/2

P0488

Throttle, overheated.

No limitation.

Check the cable

harness at the control

unit.

520234/3

P2142

Throttle, short circuit

to voltage.

No limitation.

Check the cable

harness at the control

unit.

520234/4

P2141

Throttle, short circuit

to ground.

The engine is

running at idle.

Check the cable

harness at the control

unit.

520234/12

P0487

Throttle, open circuit.

No limitation.

Check the cable

harness at the control

unit.

520235/3

P1636

Reference voltage 12

V, signal too high.

No limitation.

Check the cable

harness at the control

unit.

520235/4

P1637

Reference voltage 12

V, signal too high.

No limitation.

Check the cable

harness at the control

unit.

520236/2

P1007

Software error engine

control unit (FMTC).

No limitation.

Contact Yuchai

service

520237/3

UD114

Communication error,

CAN bus.

No limitation.

Use diagnostic

menu to check

communication.

Check the cable

harness between

Control unit, cab