P00A3
Charge Air Cooler Temperature Sensor Circuit High Bank 2
P00A3 is an OBD-II diagnostic trouble code meaning: Charge Air Cooler Temperature Sensor Circuit High Bank 2. Common causes: charge air cooler temperature sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.
Symptoms
- Reduced engine power
- Increased fuel consumption
- Unstable idling
- Check Engine Light Illuminates
- Possible misfires
Causes
- Charge air cooler temperature sensor malfunction
- Open or short circuit in wiring harness
- Poor contact in sensor connectors
- ECU problems (rare)
How to Fix
- Check the integrity of the wiring harness and contacts
- Measure the resistance of the temperature sensor
- Check the voltage in the sensor circuit
- Replace sensor if necessary
- Clear error codes and check if P00A3 returns
Related codes
Error P00A3 by Vehicle Brand
FAQ
What does the P00A3 code mean?
P00A3 is an OBD-II diagnostic trouble code that indicates: Charge Air Cooler Temperature Sensor Circuit High Bank 2
What causes a P00A3 error code?
The most common causes of P00A3 include: Charge air cooler temperature sensor malfunction; Open or short circuit in wiring harness; Poor contact in sensor connectors; ECU problems (rare).
How do I fix a P00A3 diagnostic trouble code?
To fix P00A3: Check the integrity of the wiring harness and contacts. Measure the resistance of the temperature sensor. Check the voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P00A3?
Limited driving only, diagnose soon
How much does it cost to fix P00A3?
The estimated repair cost for P00A3 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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