OBD-II code · Powertrain (generic, extended)
P2CA1 Charge Air Cooler Coolant Pump Sense Circuit High
The sense feedback circuit for the charge air cooler coolant pump reports a high condition. Pump output verification is impaired.
Is it safe to drive with P2CA1?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySense wire shorted to B+
- PossiblePump driver feedback drifted high
- Less likelyConnector pins corroded - high contact resistance
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Cac Coolant Pump, Wiring Harness, Ecm
Related codes
- P2C9EFuel Pressure Regulator C Exceeded Control Limits - Pressure Too Low
- P2C9FFuel Pressure Regulator D Exceeded Control Limits - Pressure Too High
- P2CA0Fuel Pressure Regulator D Exceeded Control Limits - Pressure Too Low
- P2CA2Charge Air Cooler Coolant Pump Sense Circuit Low
- P2CA3Charge Air Cooler Coolant Pump Sense Circuit Performance
- P2CA4Particulate Filter Pressure Sensor Signals Swapped A/B
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.