Cooling Fan Power/Ground Circuit
A fault is detected in the supply or ground path of the cooling fan circuit. Voltage drops or open ground prevent reliable fan operation.
Affected components
- Cooling fan
- Cooling fan relay
Common causes
- High likelihood: Ground connection open or corroded
- Medium likelihood: Power supply circuit fault
- Low likelihood: Connector damaged
Diagnostic notes
- The malfunction indicator lamp may illuminate
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.