OBD-II code · Powertrain (generic, extended)
P263C Glow Plug Control Driver Performance
The glow plug control driver does not respond to commands within tolerance. Cold-start glow function is degraded so cold starting can be delayed and white smoke increases.
Is it safe to drive with P263C?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyAged driver shows degraded switching behaviour
- PossibleCurrent feedback loop noisy
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
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Glow Plug Controller, Control Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.