P22B2
O2 Sensor Negative Current Control Circuit/Open Bank 1 Sensor 2
P22B2 is an OBD-II diagnostic trouble code meaning: O2 Sensor Negative Current Control Circuit/Open Bank 1 Sensor 2. Common causes: broken or damaged oxygen sensor wiring, malfunction of the oxygen sensor (lambda probe). Estimated repair cost: $28–89.
Symptoms
- Check Engine light comes on
- Increased fuel consumption
- Reduced engine power
- Unstable engine operation at idle
- Dips during acceleration
Causes
- Broken or damaged oxygen sensor wiring
- Malfunction of the oxygen sensor (lambda probe)
- Poor contact in the sensor connector
- Short circuit in control circuit
- Malfunction of the engine control unit (rare)
How to Fix
- Check the integrity of the sensor wiring and connectors
- Measure the resistance and voltage in the sensor circuit
- Check the functionality of the oxygen sensor
- Replace sensor if necessary
- Clear error codes and check if error is returned
Related codes
Error P22B2 by Vehicle Brand
FAQ
What does the P22B2 code mean?
P22B2 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Negative Current Control Circuit/Open Bank 1 Sensor 2
What causes a P22B2 error code?
The most common causes of P22B2 include: Broken or damaged oxygen sensor wiring; Malfunction of the oxygen sensor (lambda probe); Poor contact in the sensor connector; Short circuit in control circuit.
How do I fix a P22B2 diagnostic trouble code?
To fix P22B2: Check the integrity of the sensor wiring and connectors. Measure the resistance and voltage in the sensor circuit. Check the functionality of the oxygen sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P22B2?
Yes, but get it checked soon
How much does it cost to fix P22B2?
The estimated repair cost for P22B2 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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