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Sinotruk Howo Fault Codes.

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Sinotruk Troubleshooting, Howo Truck Troubleshooting
Indicator Light	Fault Code	Meaning of Fault Code	ECU Reaction	Possible Fault Position	Engine Performance
23	P0228	PTO pedal signal is too low	No indicator light, stop PTO	23AD10 signal line open circuit	TPO function failure.
23	P0227	PTO pedal signal is too high	Indicator light on, stop PTO	23AD10 signal line is shorted to 65A-VCC5	TPO function failure.

Indicator Light	Fault Code	Meaning of Fault Code	ECU Reaction	Possible Fault Position	Engine Performance
37	P0238	The intake air pressure sensor signal is too high	Turn on the fault light and stop cruising.	128AD3 signal line is shorted to 57A-VCC4	The output power is insufficient, the engine is boring, especially when truck is fully loaded.
	P0237	The intake air pressure sensor signal is too low	Turn on the fault light and stop cruising.	128AD3 signal line open circuit
	P0236	Invalid intake pressure sensor performance	No lights, stop cruising	Load a varying 5V internal voltage on the 128AD3 signal line

Indicator Light	Fault Code	Meaning of Fault Code	ECU Reaction	Possible Fault Position	Engine Performance
67	P0193	Common rail pressure sensor signal is too high	Indicator light on, stop cruising, limit fuel 70%, limit rail pressure 80%	121AD4 and 132AD5 signal lines are open at the same time	Insufficient output power, deterioration of emission performance (black smoke), and increased engine noise.
	P0192	Common rail pressure sensor signal is too low	Indicator light on, stop cruising, limit fuel 70%, limit rail pressure 80%	The 121AD4 and 132AD5 signal lines are short-circuited to 134A-GND1 at the same time
	P0191	Common rail pressure sensor signal maintains mid-range	Indicator light on, stop cruising, limit fuel 70%, limit rail pressure 80%	The sensor is damaged and the output voltage remains unchanged

Indicator Light	Fault Code	Meaning of Fault Code	ECU Reaction	Possible Fault Position	Engine Performance
26	P0563	Vehicle voltage is too high	Light up	Internal voltage VBB>4V means system voltage>32V	Poor starting performance.
26	P0562	Vehicle voltage is too low	No light up	Internal voltage VBB<1.9V means system voltage<15V	Poor starting performance.

Howo Truck Fault Codes, Howo Fault Codes
Indicator Light	Fault Code	Meaning of Fault Code	ECU Reaction	Possible Fault Position	Engine Performance
11	P0118	Water temperature sensor signal is too high	Turn on the light and stop cruising.	155AD7 signal line open circuit	Deterioration of noise and white smoke.
11	P0117	Water temperature sensor signal is too low	Light up, stop cruising, 70% fuel limit	155AD7 signal wire signal wire is shorted to 55A-GND5	Deterioration of noise and white smoke.

Indicator Light	Fault Code	Meaning of Fault Code	ECU Reaction	Possible Fault Position	Engine Performance
14	P0183	Oil temperature sensor signal is too high	Light up	162AD8 signal line open circuit	No obvious performance.
14	P0182	Oil temperature sensor signal is too low	Light up	162AD8 signal wire is shorted to 55A-GND5	No obvious performance.

More Pages:

How to Drive a Sinotruk Howo Truck --Shift Gears for All Howo Gearboxes

Sinotruk Howo Truck Parts List & Prices.

Howo Truck Bracket & Support List.