Fan 1 Control Module Supply Voltage Circuit
The supply voltage circuit of the fan 1 control module reports a fault. Module may not start or operate correctly.
Affected components
- Fan control module 1
- Wiring harness
- Ecm
Common causes
- High likelihood: Module supply fuse blown
- Medium likelihood: Wiring or connector fault
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.