Diagnostic Trouble Codes for Sinotruk HOWO Engines (PDF)
See also:
HOWO WD615 Euro2 Diesel engine
Diagnostic Trouble Codes for Sinotruk HOWO Engines
Codes, SAE mode * / Code decoding. Description of the malfunction
P0122
Weak signal of the accelerator position sensor No.1
P0123
Strong signal of accelerator position sensor No.1
P0222
Weak signal of the accelerator position sensor No. 2
P0223
Strong signal of accelerator position sensor No.2
P0121
The accelerator position sensor No.1 is not turned off
P0120
Accelerator position sensor No.1 is not activated
P2120
The signal of both accelerator position sensors is painless
P0238
Strong signal of the discharge sensor
P0237
Too weak a pressure sensor signal
P0227
The signal of the accelerator position sensor PTO is too weak
P0228
The signal of the accelerator position sensor PTO is too weak
(depending on the model, and some models lack code)
P0193
The fuel distributor pressure sensor signal is too strong
P0192
Fuel gauge pressure sensor signal too weak
P0191
Not normal characteristic of signals of the gauge of pressure of the fuel distributor
P0563
Battery voltage too high
P0118
The signal of the gauge of temperature of a cooling liquid is too strong
P0117
The signal of the gauge of temperature of a cooling liquid is too weak
P0183
The fuel temperature sensor signal is too strong
P0182
The fuel temperature sensor signal is too weak
P0113
The temperature sensor signal (exhaust air or A / F air) is too strong
P0112
The temperature sensor signal (exhaust air or A / F air) is too weak
P2229
The atmospheric pressure sensor signal is too strong
P0228
The atmospheric pressure sensor signal is too weak
P0617
Short circuit of the starter supply circuit
P0337
No pulses from the crankshaft position sensor
P0342
Absence of impulses from the cylinder identification sensor
P0385
No pulses from the crankshaft position sensor and cylinder identification sensor
P0503
Vehicle speed sensor frequency too high
P0502
Break or short circuit of vehicle speed sensor input circuit
P0501
Painless car speed sensor signal is painless
P1681
Breaking the brake load circuit MV1 for air intake or shorting the output to ground
P1682
Short circuit of the MV1 brake supply circuit for air intake
P2148
Short circuit of output power circuit COM1;
Short circuit of the output power circuit TWV No. 1,3 or 5
P2147
Short circuit of the ground circuit of the output COM1;
Short circuit of the ground connection of the output TWV No. 1,3 or 5
P2146
The output load is COM1; Short-circuit of loads TWV1, TWV3 and TWV5
P2151
Short circuit power supply output COM1;
Short circuit of the power supply circuit of the output TWV2, 4 and 6
P2150
Short circuit of the grounding of the output COM2;
Short circuit of the ground circuit of the output TWV2, TWV4 and TWV6
P2149
The output load of COM2 is open; Short-circuit of loads TWV2, TWV4 and TWV6
P0201
The load of the TWV1 output is open, The injector circuit is open
P0205
The load of the TWV2 output is open, The injector circuit is open
P0203
The load of the TWV3 output is open, The injector circuit is open
P0206
The load of the TWV4 output is open, The injector circuit is open
P0202
The load of the TWV5 output is open, The injector circuit is open
P0204
The load of the TWV6 output is open, The injector circuit is open
P0611
The capacitor charging circuit is defective (undercharging)
P0200
Defective capacitor charging circuit (recharge)
P0629
Short circuit of power supply circuit of PCV1 output
P2634
PCV2 output power circuit shorted
P0629
PCV1 and PCV2 output circuit short-circuit
P0628
Open load and short-circuit ground of PCV1 output
P2633
The load and the short-circuit ground of the PCV2 output are open
P0628
The load and the short-circuit ground of the output PCV1 and PCV2
P2635
Overload control of the feed pump
P1088
Over-voltage control of the feed pump
P1266
Unloaded control of the feed pump
P0093
Unloaded control of the feed pump (including fuel leakage)
P1089
Pressure exceeds the upper limit
P0088
The pressure of the fuel distributor exceeds the upper limit
P0301
The fuel system of cylinder No. 1 is defective
P0302
Defective fuel system cylinder number 2
P0303
The fuel system of cylinder No. 3 is defective
P0304
The fuel system of cylinder No. 4 is defective
P0305
The fuel system of cylinder No.5 is defective
P0306
The fuel system of cylinder No.6 is defective
P0219
The engine exceeds the speed limit
P0541
Short-circuited grounding of the output of the warming relay
(depending on the car models, sometimes this code is missing)
P0542
Open load of the output of the warming relay
(depending on the car models, sometimes this code is missing)
P1530
The motor switch is fixed in the closed state
P0217
Temperature exceeds the upper limit
U1001
Node point CAN2 is not working
(depending on the car models, sometimes this code is missing)
P0704
Defective chain clutch switch (only for speed variators)
P0850
Defective neutral switch (Only for speed variators)
U0121
Common CAN line – the line opens with ABS (Speed variator only)
U0155
Common CAN line – the line opens with METER (Speed variator only)
P0686
Diagnosis of the main relay; The main is fixed in the closed state
P1565
Defective chain cruise switch
P1602
QR data not entered
P1601
Defective QR determination (Defective QR correction determination)
P0607
Defective CPU – defective IC
P0606
Faulty CPU – main CPU malfunctioning
P060
Verification and error – the sector of phishing
P0523
Engine oil pressure sensor too high
(depending on the car models, sometimes this code is missing)
P0522
Engine oil pressure sensor too low
(depending on the car models, sometimes this code is missing)
P0524
Engine Oil Pressure Mismatch ECU
(depending on the car models, sometimes this code is missing)
P1683
Open load and short-circuit earthing of the output of the motor brake relay
(depending on the car models, sometimes this code is missing)
P1684
Short-circuit earthing of the battery output of the motor brake relay
(depending on the car models, sometimes this code is missing)
* SAE-output data when using STT (DST-PC)
