OBD-II code · Powertrain (generic)
P06CF Cylinder 11 Glow Plug Incorrect
The glow plug on cylinder 11 reports an electrical resistance or response curve that does not match the calibrated plug type. Typical after fitting a wrong replacement plug.
Is it safe to drive with P06CF?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyReplacement plug of wrong type
Symptoms
- Glow plug warning light on (often orange coil symbol)
- Hard cold start or no start in cold weather
- White smoke from exhaust during warm-up
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.4–1.4 h
- Emissions test
- Likely to fail
- Parts involved
- Glow Plug Cyl 11
Related codes
- P06C5Cylinder 1 Glow Plug Incorrect
- P06C6Cylinder 2 Glow Plug Incorrect
- P06C7Cylinder 3 Glow Plug Incorrect
- P06C8Cylinder 4 Glow Plug Incorrect
- P06C9Cylinder 5 Glow Plug Incorrect
- P06CACylinder 6 Glow Plug Incorrect
- P06CBCylinder 7 Glow Plug Incorrect
- P06CCCylinder 8 Glow Plug Incorrect
- P06CDCylinder 9 Glow Plug Incorrect
- P06CECylinder 10 Glow Plug Incorrect
- P06D0Cylinder 12 Glow Plug Incorrect
- P06D1Internal Control Module Ignition Coil Control Performance
- P06D2Sensor Reference Voltage E Circuit Open
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.