A/C Compressor Motor Performance
The electric A/C compressor motor does not deliver the expected speed or torque for the commanded duty. Bearing wear, magnet aging, or load mismatch.
Affected components
- Ac compressor motor
- Ecm
Common causes
- High likelihood: Compressor motor bearing worn
- Medium likelihood: Magnet flux degraded with age
Diagnostic notes
- The malfunction indicator lamp may illuminate
- Reduced-power or limp mode may occur
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.