CNHTC

Sinotruk Howo Truck CNG Engine Error Codes List

Sinotruk Howo Truck CNG Engine Error Codes List
SerialError CodesDescription
10108Intake manifold pressure is high
20107Low intake manifold pressure and voltage
30118Coolant temperature and voltage are high
40117Coolant temperature and low voltage
50116Coolant temperature is higher than expected level 1
60113High intake temperature and voltage
70112Low intake temperature and voltage
82229High back pressure
90129Low back pressure
100563High battery voltage
110562Battery voltage is low
120643Sensor supply voltage 1 high
130642Sensor supply voltage 1 low
140123Throttle 1 high voltage
150122Throttle 1 low voltage
160223Throttle 2 high voltage
170222Throttle 2 low voltage
180221Throttle 1-2 is higher than expected
190121Throttle 1-2 is lower than expected
202122High voltage of accelerator pedal 1
212123Low voltage of accelerator pedal 1
222128High voltage on accelerator pedal 2
232127Low voltage on accelerator pedal 2
242126Accelerator pedal 1-2 is higher than expected
252121Accelerator pedal 1-2 is lower than expected
260524Low oil pressure
271151Closed loop LPG high
281152Closed loop LPG low
291153Closed loop NG high
301154Closed loop NG low
311161Adaptive learning LPG high
321162Adaptive learning LPG low
331163Adaptive learning NG high
341164Adaptive learning NG low
350217Coolant temperature is higher than expected level 2
360111The intake air temperature is higher than the expected value level 1
370127The intake air temperature is higher than the expected value level 2
380342Loss of camshaft input signal
390341Cam input shaft signal noise
400336Crankshaft input signal noise
410606Microprocessing failure-COP
421612Microprocessing failure-RTI 1
431613Microprocessing failure-RTI 2
441614Microprocessing failure-RTI 3
451615Microprocessing failure-A/D
461616Microprocessing failure-Interrupt
470601Microprocessing failure-FLASH
480604Microprocessing failure-RAM
490219Rotation speed is higher than the maximum control speed
501111The speed is higher than the fuel limit speed level
511112The speed is higher than the fuel ignition speed level
520134Oxygen sensor 1 open loop
530154Oxygen sensor 2 open loop
540140Oxygen sensor 3 open loop
551521CHT is higher than expected level 1
561522CHT is higher than expected level 2
571621RS-485 reception fails
581622RS-485 receiving noise
591623RS-485 Rx initialization failed
600238Intake manifold pressure high voltage
610237Intake manifold pressure low voltage
620092Fuel pressure high voltage
630091Fuel pressure low voltage
641171The output pressure of the electronic pressure regulator is higher than the expected value
651172The output pressure of the electronic pressure regulator is lower than the expected value
661173Electronic pressure regulator communication is lost
671174Electronic pressure regulator supply voltage is high
681175Electronic pressure regulator supply voltage is low
691176Internal actuator failure of electronic pressure regulator
701177Electronic pressure regulator internal circuit board failure
711178Internal communication failure of electronic pressure regulator
721131Exhaust gas control valve pressure voltage is high
731132Low pressure and voltage of exhaust gas control valve
740234Boost failure
750299Boost failure
760236Intake manifold pressure activated
770183Fuel temperature high voltage
780182Fuel temperature low voltage
790337Crankshaft signal loss
801625J1939 parking request
811626CAN-J1939 transmission failed
821627CAN-J1939 acceptance failed
830686The main relay is shorted to ground
840685Main relay open
850687The main relay is shorted to the power supply
860616Start relay short circuit
870615Start relay open circuit
880617Short circuit between start relay and power supply
890650MIL open
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