P06FA
Glow Plug Control Module 2 Performance
Glow Plug Control Module 2 Performance: the component is electrically intact but its response does not match the command. This affects diesel cold-start preheating.
Possible causes
- Module response drifted high
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
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
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