Generator B Mechanical Performance
Generator B does not deliver the expected mechanical-to-electrical conversion. Bearing wear, drive coupling slip, or rotor imbalance.
Affected components
- Generator b
- Wiring harness
- Ecm
Common causes
- High likelihood: Generator bearing worn
- Medium likelihood: Drive coupling slip
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.