P00A4
Charge Air Cooler Temperature Sensor Circuit Intermittent/Erratic Bank 2
P00A4 is an OBD-II diagnostic trouble code meaning: Charge Air Cooler Temperature Sensor Circuit Intermittent/Erratic Bank 2. Common causes: damage to the wiring or sensor connector, charge air cooler temperature sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- Unstable engine operation
- Power reduction
- Increased fuel consumption
- Check Engine Light Illuminates
Causes
- Damage to the wiring or sensor connector
- Charge air cooler temperature sensor malfunction
- Short circuit or open circuit in the sensor circuit
- Circuit Grounding Problems
How to Fix
- Check the integrity of the sensor wiring and connectors
- Check the resistance of the charge air cooler temperature sensor
- Check voltage and grounding in the sensor circuit
- Replace charge air cooler temperature sensor if necessary
- Clear error codes and check if error is returned
Related codes
Error P00A4 by Vehicle Brand
FAQ
What does the P00A4 code mean?
P00A4 is an OBD-II diagnostic trouble code that indicates: Charge Air Cooler Temperature Sensor Circuit Intermittent/Erratic Bank 2
What causes a P00A4 error code?
The most common causes of P00A4 include: Damage to the wiring or sensor connector; Charge air cooler temperature sensor malfunction; Short circuit or open circuit in the sensor circuit; Circuit Grounding Problems.
How do I fix a P00A4 diagnostic trouble code?
To fix P00A4: Check the integrity of the sensor wiring and connectors. Check the resistance of the charge air cooler temperature sensor. Check voltage and grounding in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P00A4?
Limited driving only, diagnose soon
How much does it cost to fix P00A4?
The estimated repair cost for P00A4 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat