OBD-II code · Powertrain (generic)
P023A Charge Air Cooler Coolant Pump A Control Circuit/Open
Open circuit at charge air cooler coolant pump A (water-cooled CAC system).
Is it safe to drive with P023A?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyWiring break
- Less likelyPin pushed back out of connector body
- Less likelyCracked solder joint inside the module or sensor
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–3 h
- Emissions test
- Likely to fail
- Parts involved
- Cac Coolant Pump A, Pump Wiring
Related codes
- P2CADCharge Air Cooler Coolant Pump B Control Circuit/Open
- P0237Turbocharger/Supercharger Boost Sensor "A" Circuit Low
- P0238Turbocharger/Supercharger Boost Sensor "A" Circuit High
- P0239Turbocharger/Supercharger Boost Sensor B Circuit
- P023BCharge Air Cooler Coolant Pump A Control Circuit Low
- P023CCharge Air Cooler Coolant Pump A Control Circuit High
- P023DManifold Absolute Pressure - Turbocharger/Supercharger Boost Sensor A Correlation
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.