Charge Air Cooler Coolant Pump B Control Circuit/Open
Charge air cooler coolant pump B reports a control circuit/open condition. CAC coolant loop circulation is impaired.
Affected components
- Cac coolant pump b
- Wiring harness
- Ecm
Common causes
- High likelihood: Open in pump control wire
- Medium likelihood: Open pump motor
- Low likelihood: Pin pushed back out of connector body
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.