The database covers 163 dealer codes — HOWO uses its own factory format, outside the J1939 SPN/FMI standard. A few examples below; look up your own code in the search on the homepage, where you can also pick “HOWO” from the brand list.
| P0088 | Common-rail pressure exceeds critical upper limit. Flash code: 68. |
| P0117 | Coolant temperature sensor - temperature too low. Flash code: 11. |
| P0182 | Fuel temperature sensor signal too low. Flash code: 14. |
| P0206 | Injector 4 (TWV4) output open circuit. Flash code: 56. |
| P0237 | Intake air pressure sensor signal too low. Flash code: 37. |
| P0303 | Cylinder 3 fuel system fault. Flash code: 63. |
| P0503 | Vehicle speed sensor frequency too high. Flash code: 21. |
| P0606 | CPU failure - main CPU failure. Flash code: 3. |
| P0685 | Main relay circuit open |
| P1142 | Idle speed potentiometer signal too low. Flash code: 44. |
| P1172 | Electronic pressure regulator outlet pressure below the expected value |
| P1565 | Cruise control switch circuit fault. Flash code: 43. |
| P1625 | J1939 park request |
| P2121 | Accelerator pedal sensors 1 and 2 disagree — below expected |
| P2151 | Injector common rail 2 (COM2) short circuit to battery. Flash code: 58. |
Know the code number? Type it into the search — or paste the whole list from the scanner and we will show which fault is the real one.