P06C8: The glow plug on cylinder 4 is not working correctly
The glow plug on cylinder 4 is not working correctly. Check the glow plug, its connector and wiring.
| Code | P06C8 |
|---|---|
| System | Engine and transmission |
| Group | P06xx, Control unit and auxiliary outputs |
| Type | Generic: it means the same on every make |
How to read and clear P06C8 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 P06C8 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
- P06C4 The cylinder 12 glow plug gives readings outside the normal range
- P06C5 The glow plug on cylinder 1 is not working correctly
- P06C6 The glow plug on cylinder 2 is not working correctly
- P06C7 The glow plug on cylinder 3 is not working correctly
- P06C9 The glow plug on cylinder 5 is not working correctly
- P06CA The glow plug on cylinder 6 is not working correctly
- P06CB The glow plug on cylinder 7 is not working correctly
- P06CC The glow plug on cylinder 8 is not working correctly
- P0600 Serial communication link fault
- P0601 Internal control module memory checksum error
- P0602 Control module programming error
- P0603 Internal control module keep alive memory (KAM) error
What does code P06C8 mean?
The glow plug on cylinder 4 is not working correctly. Check the glow plug, its connector and wiring.
How do you clear P06C8?
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, P06C8 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.
