Charge Air Cooler Temperature Sensor Circuit High Bank 1
Charge air cooler temperature sensor signal voltage on bank 1 above expected range. Typically open circuit or short to power.
Affected components
- Cac temperature sensor
- Sensor wiring
Common causes
- High likelihood: Signal wire open
- Low likelihood: Connector pins corroded - high contact resistance
- Low likelihood: Supply wire pinched against B+ source
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- A drive cycle may be required after repair
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.