P2254
O2 Sensor Negative Current Control Circuit/Open Bank 2 Sensor 1
P2254 is an OBD-II diagnostic trouble code meaning: O2 Sensor Negative Current Control Circuit/Open Bank 2 Sensor 1. Common causes: broken or damaged oxygen sensor wiring, bank 2 sensor 1 oxygen sensor malfunction. Estimated repair cost: $28–89.
Symptoms
- Increased fuel consumption
- Unstable engine operation
- Check Engine Light Is On
- Reduced engine power
- Dips during acceleration
Causes
- Broken or damaged oxygen sensor wiring
- Bank 2 Sensor 1 Oxygen Sensor Malfunction
- Short circuit in control circuit
- Poor contact in the sensor connector
- Engine ECU malfunction
How to Fix
- Check the integrity of the oxygen sensor wiring
- Check connectors and contacts for oxidation and damage
- Test the oxygen sensor with a multimeter
- Replace the oxygen sensor if necessary
- Check control circuit for short circuit
Related codes
Error P2254 by Vehicle Brand
FAQ
What does the P2254 code mean?
P2254 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Negative Current Control Circuit/Open Bank 2 Sensor 1
What causes a P2254 error code?
The most common causes of P2254 include: Broken or damaged oxygen sensor wiring; Bank 2 Sensor 1 Oxygen Sensor Malfunction; Short circuit in control circuit; Poor contact in the sensor connector.
How do I fix a P2254 diagnostic trouble code?
To fix P2254: Check the integrity of the oxygen sensor wiring. Check connectors and contacts for oxidation and damage. Test the oxygen sensor with a multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2254?
Yes, but get it checked soon
How much does it cost to fix P2254?
The estimated repair cost for P2254 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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