P22B5
O2 Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 2
P22B5 is an OBD-II diagnostic trouble code meaning: O2 Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 2. Common causes: oxygen sensor circuit open, poor contact in the sensor connector. Estimated repair cost: $28–89.
Symptoms
- Check Engine light comes on
- Increased fuel consumption
- Reduced engine power
- Unstable operation at idle
- Dips during acceleration
Causes
- Oxygen sensor circuit open
- Poor contact in the sensor connector
- Malfunction of the oxygen sensor itself
- Wiring harness damage
- Problems with the engine control unit
How to Fix
- Check the integrity of the wiring to the oxygen sensor
- Check the contacts in the sensor connector for oxidation and corrosion.
- Test the oxygen sensor with a multimeter
- Replace the oxygen sensor if necessary
- Reset the error code and check if it returns
Related codes
Error P22B5 by Vehicle Brand
FAQ
What does the P22B5 code mean?
P22B5 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 2
What causes a P22B5 error code?
The most common causes of P22B5 include: Oxygen sensor circuit open; Poor contact in the sensor connector; Malfunction of the oxygen sensor itself; Wiring harness damage.
How do I fix a P22B5 diagnostic trouble code?
To fix P22B5: Check the integrity of the wiring to the oxygen sensor. Check the contacts in the sensor connector for oxidation and corrosion.. Test the oxygen sensor with a multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P22B5?
Yes, but get it checked soon
How much does it cost to fix P22B5?
The estimated repair cost for P22B5 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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