Inverter A Cooling System Performance
The hybrid control module detects insufficient cooling performance for inverter A, where coolant temperature rise per power dissipation exceeds expected value.
Affected components
- Hybrid inverter
- Electric coolant pump
- Coolant radiator
Common causes
- High likelihood: Coolant pump weak
- Medium likelihood: Low coolant level
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.