OBD
P06BF
Cylinder 7 Glow Plug Circuit Range/Performance
What it means
P06BF means Cylinder 7 Glow Plug Circuit Range/Performance.
Check these first
- A weak glow plug in cylinder 7
- A corroded cylinder 7 connector
- An intermittent glow plug feed
- A failing glow plug relay
- A weak battery
What to do next
- Read cylinder 7 glow plug current on a scan tool
- Inspect the connector and harness
- Test the glow plug
- Check the relay and battery
- Replace the glow plug or relay
- 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.