OBD
P06CA
Cylinder 6 Glow Plug Incorrect
What it means
P06CA means Cylinder 6 Glow Plug Incorrect.
Check these first
- A wrong glow plug in cylinder 6
- A loose glow plug
- A corroded cylinder 6 connector
- An incorrect part number
- A failing glow plug module
What to do next
- Check the cylinder 6 glow plug part number
- Confirm proper seating and torque
- Inspect the connector
- Match the glow plug 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.