Charge Air Cooler Coolant Pump Sense Circuit Low
The sense feedback circuit for the charge air cooler coolant pump reports a low condition. Pump output verification is impaired.
Affected components
- Cac coolant pump
- Wiring harness
- Ecm
Common causes
- High likelihood: Sense wire shorted to ground
- Medium likelihood: Open in sense wire
- Low likelihood: Connector pins corroded - high contact resistance
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.