25 Sinotruk diagnostic codes on file — with the full diagnosis, repair steps, and field insights open to read free, no signup required.
Disclaimer: General reference information for trained, qualified technicians only. Codes and procedures vary by model, serial number and software version. Always follow the manufacturer's service manual and your site's safety procedures. Use at your own risk. Not affiliated with or endorsed by any manufacturer.
Find a Sinotruk code by searching below, or browse the table. Codes on file by system:
| Code | System | Symptom | Full fix |
|---|---|---|---|
| P0087 | Fuel System | Severe Power Derate / Engine Stalls | View fix |
| P0087 / SPN 157 FMI 1 | Fuel / HPCR | Engine Cuts Out Under Haul / Long Crank | View fix |
| P0088 / SPN 157 FMI 0 | Fuel / HPCR | Engine Knocks Loudly / Rail Limp | View fix |
| P0117 / SPN 110 FMI 4 | Cooling / Thermal | Red Stop Lamp / Engine Shutdown Alarm | View fix |
| P0118 / SPN 110 FMI 3 | Cooling / Thermal | Engine Fan Roars Continuously / High Gauge | View fix |
| P0122 | Air Intake | Engine Idles Only / Accelerator Dead | View fix |
| P0192 / SPN 157 FMI 4 | Sensors / Fuel | Engine Stumbles / Black Smoke | View fix |
| P0193 / SPN 157 FMI 3 | Sensors / Fuel | Check Engine Solid / Fixed Fuel Trim | View fix |
| P0201 | Fuel / Injectors | Hard Engine Knock / Misfire Cylinder 1 | View fix |
| P0237 / SPN 102 FMI 4 | Air Induction | Underboost / Truck Struggles on Hills | View fix |
| P0238 / SPN 102 FMI 3 | Air Induction | Black Smoke / Engine Limp Mode | View fix |
| P0337 / SPN 636 FMI 8 | Timing / Crank | Extended Cranking / Hard Start / No Tach | View fix |
| P0342 / SPN 723 FMI 8 | Timing / Cam | Rough Idle / Cylinder Balance Erratic | View fix |
| P0562 / SPN 168 FMI 1 | Electrical System | Gauges Sweep Erratic / ECM Resets | View fix |
| P0563 / SPN 168 FMI 0 | Electrical System | Blown Bulbs / ECM Fault Light | View fix |
| P1103 | Air Intake | Black Smoke / Poor Hill Climbing | View fix |
| P1602 | Electrical / CAN | Instrument Cluster Dead / No Start | View fix |
| P1681 / SPN 520210 FMI 5 | Exhaust Brake | Exhaust Brake Dead / Long Stopping Distance | View fix |
| P2122 / SPN 91 FMI 4 | Throttle / Cab | Dead Throttle Pedal / Engine at 1,000 RPM | View fix |
| P2127 / SPN 91 FMI 3 | Throttle / Cab | Throttle Lags / Check Engine Active | View fix |
| P2146 / SPN 520201 FMI 5 | Fuel Injectors | Severe Engine Knock / Limp (Bank 1) | View fix |
| P2148 / SPN 520201 FMI 3 | Fuel Injectors | Engine Cuts Out Instantly / No Restart | View fix |
| SPN 3361 FMI 31 | SCR / Aftertreatment | Urea Light Flashes / 30% Power Cut | View fix |
| SPN 5246 FMI 0 | SCR / Aftertreatment | Audible Buzzer / Speed Capped at 20 km/h | View fix |
| U0100 / SPN 639 FMI 9 | Communication | Dash Gauges Dead / Truck Won't Crank | View fix |
Same codes keep coming back?
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