Glow Plug Control Module 2 Over Temperature
The second glow plug control module reports over-temperature. Sustained current draw or insufficient cooling has driven the module above its rated temperature.
Affected components
- Glow plug module 2
- Glow plugs
Common causes
- High likelihood: One glow plug shorted to ground forces module overcurrent
- Medium likelihood: Cooling air channel blocked by debris
Possible 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
Diagnostic notes
- The malfunction indicator lamp may illuminate
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.