OBD
P06CF
Cylinder 11 Glow Plug Incorrect
What it means
P06CF means Cylinder 11 Glow Plug Incorrect.
Check these first
- A wrong glow plug in cylinder 11
- A loose glow plug
- A corroded cylinder 11 connector
- An incorrect part number
- A failing glow plug module
What to do next
- Verify the cylinder 11 glow plug part number
- Check the seating and torque
- Inspect the connector
- Compare to spec
- Replace the glow plug
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.