Hybrid/EV Electronics Coolant Pump A Control Circuit Low
The hybrid electronics coolant pump A reports a control circuit low condition. Power electronics cooling may be impaired.
Affected components
- Hybrid electronics coolant pump a
- Wiring harness
- Hybrid control module
Common causes
- High likelihood: Wire shorted to ground
- Medium likelihood: Internal motor short
- Low likelihood: Connector pins corroded - high contact resistance
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.