P22AB
O2 Sensor Positive Current Control Circuit/Open Bank 1 Sensor 2
P22AB is an OBD-II diagnostic trouble code meaning: O2 Sensor Positive Current Control Circuit/Open Bank 1 Sensor 2. Common causes: broken or damaged oxygen sensor wiring, oxygen sensor malfunction (bank 1, sensor 2). Estimated repair cost: $28–67.
Symptoms
- Check Engine light comes on
- Increased fuel consumption
- Unstable engine operation at idle
- Reduced engine power
- Increased emissions of harmful substances
Causes
- Broken or damaged oxygen sensor wiring
- Oxygen sensor malfunction (bank 1, sensor 2)
- Problems in the engine control module (ECU)
- Corroded contacts or poor connection in connectors
- Damage to positive current control circuit
How to Fix
- Check the integrity of the wiring and connectors of the oxygen sensor
- Test the oxygen sensor for malfunctions
- Check voltage and resistance in control circuit
- If necessary, replace the oxygen sensor
- Update ECU firmware (if required)
Related codes
Error P22AB by Vehicle Brand
FAQ
What does the P22AB code mean?
P22AB is an OBD-II diagnostic trouble code that indicates: O2 Sensor Positive Current Control Circuit/Open Bank 1 Sensor 2
What causes a P22AB error code?
The most common causes of P22AB include: Broken or damaged oxygen sensor wiring; Oxygen sensor malfunction (bank 1, sensor 2); Problems in the engine control module (ECU); Corroded contacts or poor connection in connectors.
How do I fix a P22AB diagnostic trouble code?
To fix P22AB: Check the integrity of the wiring and connectors of the oxygen sensor. Test the oxygen sensor for malfunctions. Check voltage and resistance in control circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P22AB?
Yes, but get it checked soon
How much does it cost to fix P22AB?
The estimated repair cost for P22AB is $28–67. Actual cost depends on your vehicle, location, and labor rates.
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