Generator B Over Temperature
Generator B reports temperature above the protection threshold. Sustained high load or cooling path obstruction.
Affected components
- Generator b
- Wiring harness
- Ecm
Common causes
- High likelihood: Sustained high generator load
- Medium likelihood: Cooling path blocked
Diagnostic notes
- The malfunction indicator lamp may illuminate
- Reduced-power or limp mode may occur
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.