P263F: Glow Plug Control Module 2 Over Temperature
Standardized SAE J2012 code · P26xx — Computer and output circuits
What does P263F mean?
The second glow plug control module reports over-temperature. Sustained current draw or insufficient cooling has driven the module above its rated temperature.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
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
Common causes
- High One glow plug shorted to ground forces module overcurrent
- Medium Cooling air channel blocked by debris
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P263F on the same make and model first.
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