P2255
O2 Sensor Negative Current Control Circuit Low Bank 2 Sensor 1
P2255 is an OBD-II diagnostic trouble code meaning: O2 Sensor Negative Current Control Circuit Low Bank 2 Sensor 1. Common causes: oxygen sensor malfunction (bank 2, sensor 1), open or short circuit in control circuit. Estimated repair cost: $28–89.
Symptoms
- Increased fuel consumption
- Unstable engine operation at idle
- Check Engine Light Illuminates
- Reduced engine power
- Increased level of harmful emissions
Causes
- Oxygen sensor malfunction (bank 2, sensor 1)
- Open or short circuit in control circuit
- Poor contact in the sensor connector
- Corroded or damaged wiring
- Engine control unit malfunction
How to Fix
- Check the condition of the oxygen sensor and its connector
- Check the continuity and resistance of the control circuit
- Check for short circuit to ground or power
- If necessary, replace the oxygen sensor
- Check and, if necessary, reflash the ECU
Related codes
Error P2255 by Vehicle Brand
FAQ
What does the P2255 code mean?
P2255 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Negative Current Control Circuit Low Bank 2 Sensor 1
What causes a P2255 error code?
The most common causes of P2255 include: Oxygen sensor malfunction (bank 2, sensor 1); Open or short circuit in control circuit; Poor contact in the sensor connector; Corroded or damaged wiring.
How do I fix a P2255 diagnostic trouble code?
To fix P2255: Check the condition of the oxygen sensor and its connector. Check the continuity and resistance of the control circuit. Check for short circuit to ground or power. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2255?
Yes, but get it checked soon
How much does it cost to fix P2255?
The estimated repair cost for P2255 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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