OBD
P06CB
Cylinder 7 Glow Plug Incorrect
What it means
P06CB means Cylinder 7 Glow Plug Incorrect.
Check these first
- A wrong glow plug in cylinder 7
- A loose glow plug
- A corroded cylinder 7 socket or terminal
- An incorrect part number
- A weak battery
What to do next
- Verify the cylinder 7 glow plug part number
- Check the seating and torque
- Clean the socket and terminal
- Compare to spec
- Replace the glow plug
- Clear the code and retest
Look up another code
Enter a full code or a symptom. Press / to search. How to read a code
Type a code above, or start from a symptom or a common code.
Updated
Generic SAE J2012 definition. Last updated 2026-10-10.