Fault Codes list for Sinotruk HOWO Engines

By | 01/10/2018

Diagnostic Trouble Codes for Sinotruk HOWO Engines (PDF)

See also:

HOWO WD615 Euro2 Diesel engine Fault Codes

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)