P2C42: The fan 4 has got stuck
The fan 4 has got stuck. It is usually dirt, wear or the motor that moves it.
| Code | P2C42 |
|---|---|
| System | Engine and transmission |
| Group | P2Cxx, Engine, emissions and electrification |
| Type | Generic: it means the same on every make |
How to read and clear P2C42 with Final OBD
Plug an OBD2 scanner in under the steering wheel, switch the ignition on and open Final OBD. Under Faults you’ll see P2C42 with its description and whether it’s confirmed, pending or permanent.
If the engine stores it over standard OBD, with FREE you read this code with its explanation for nothing and clear it. With PRO you also read the faults of every control unit and clear them in all of them.
Clearing the code only turns the light off: if the cause is still there, it comes back. Clear it once it’s fixed, and not right before an inspection. It’s all in how to read and clear fault codes and in inspections and OBD.
Similar codes
- P2C3E The fan 4 control has an electrical fault
- P2C3F The fan 4 control gives a lower signal than normal
- P2C40 The fan 4 control gives a higher signal than normal
- P2C41 The fan 3 has got stuck
- P2C48 The coolant pump C control circuit has got stuck
- P2C49 The coolant pump D control circuit has got stuck
- P2C4A The clutch actuator position sensor has an electrical fault
- P2C4B The clutch actuator position sensor gives readings outside the normal range
What does code P2C42 mean?
The fan 4 has got stuck. It is usually dirt, wear or the motor that moves it.
How do you clear P2C42?
With an OBD2 scanner and an app like Final OBD, which clears it for free if it’s stored by the engine control unit. But clearing it only turns the light off: if the cause isn’t fixed, P2C42 comes back.
Read it on your car
Final OBD reads and clears engine faults through standard OBD for free, each one explained in plain English. With PRO it also reads the faults of every control unit, each make’s own codes included, and clears them in all of them.
