What it means
A fault is detected in the charge air cooler temperature sensor circuit for Bank 2.
At a glance
- Usually lights the check-engine light
- Affects emissions; the car can fail an emissions test
How it works
The charge air cooler temperature sensor for Bank 2 measures the temperature of the compressed intake air after it passes through that bank's charge air cooler. P00A0 sets when the sensor circuit has an electrical fault, so the control module may not receive a usable Bank 2 temperature signal.
Common causes
Most likely first.
- Charge air cooler temperature sensor failed
- Open, short, or damaged sensor wiring
- Loose or corroded connector
- Control module fault
Symptoms
- Check engine light on
- Reduced engine performance or boost
- Poor fuel economy
How to diagnose it
- Record freeze-frame data and compare Bank 2 charge-air temperature readings with ambient temperature and any available corresponding bank reading.
- Locate the Bank 2 charge air cooler temperature sensor using vehicle service information and inspect its connector and nearby wiring for looseness, corrosion, damage, or heat exposure.
- Check the Bank 2 sensor circuit for an open or short using the manufacturer's wiring diagram and test procedure.
- Verify the sensor receives the specified reference and ground, and check the signal path to the module according to manufacturer procedures.
- If wiring and connections pass, test the Bank 2 sensor and consider a module fault only after the sensor circuit is verified.
Common fixes
- Reconnect a loose Bank 2 sensor connector and secure the harness.
- Repair damaged or corroded wiring and terminals in the Bank 2 sensor circuit.
- Replace a Bank 2 charge air cooler temperature sensor that fails testing.
- Repair or replace a control module only if the circuit and sensor tests confirm it is faulty.
Can I keep driving?
If the vehicle runs normally, gentle driving to a repair location is generally reasonable, but reduced boost or power may occur. Avoid hard acceleration and towing if performance is limited.
A code shows where the control module detected a fault, not always which part failed. Check the causes in order and confirm with a test before replacing parts. Have several codes? Check them together
This is a generic code: it means the same on every make. The car’s maker may add more detail in its own service information.