P22A0
NOx Sensor Circuit Low Bank 1 Sensor 2
P22A0 is an OBD-II diagnostic trouble code meaning: NOx Sensor Circuit Low Bank 1 Sensor 2. Common causes: nox sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $89–278.
Symptoms
- Check Engine light comes on
- Deterioration of vehicle dynamics
- Increased fuel consumption
- Reduced efficiency of the exhaust gas cleaning system
- Possible problems when passing technical inspection
Causes
- NOx sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Engine control unit software error
- Mechanical damage to the sensor or wiring
How to Fix
- Diagnose the status of the NOx sensor
- Check the integrity of the sensor circuit and connectors
- Scan the control unit for additional errors
- If necessary, replace the NOx sensor
- Reset the error and check the system operation
Related codes
Error P22A0 by Vehicle Brand
FAQ
What does the P22A0 code mean?
P22A0 is an OBD-II diagnostic trouble code that indicates: NOx Sensor Circuit Low Bank 1 Sensor 2
What causes a P22A0 error code?
The most common causes of P22A0 include: NOx sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Engine control unit software error.
How do I fix a P22A0 diagnostic trouble code?
To fix P22A0: Diagnose the status of the NOx sensor. Check the integrity of the sensor circuit and connectors. Scan the control unit for additional errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P22A0?
Yes, but get it checked soon
How much does it cost to fix P22A0?
The estimated repair cost for P22A0 is $89–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat