P22C1
O2 Sensor Negative Current Control Circuit High Bank 2 Sensor 2
P22C1 is an OBD-II diagnostic trouble code meaning: O2 Sensor Negative Current Control Circuit High Bank 2 Sensor 2. Common causes: sensor control circuit short to power, faulty oxygen sensor bank 2 sensor 2. Estimated repair cost: $28–89.
Symptoms
- Check engine light comes on
- Slight increase in fuel consumption
- Slightly increased exhaust emissions
- Possible minor misfires
- Reduced catalytic converter efficiency
Causes
- Sensor control circuit short to power
- Faulty oxygen sensor Bank 2 Sensor 2
- Damage to the wiring harness to the oxygen sensor
- Corrosion or poor contact in connectors
- Engine control unit (ECU) internal fault
How to Fix
- Visual inspection of the sensor wiring and connectors for damage
- Checking the resistance and voltage in the sensor control circuit
- Checking the operation of the oxygen sensor using a diagnostic scanner
- Replacing a faulty oxygen sensor if necessary
- Repair or replace damaged wiring
Related codes
Error P22C1 by Vehicle Brand
FAQ
What does the P22C1 code mean?
P22C1 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Negative Current Control Circuit High Bank 2 Sensor 2
What causes a P22C1 error code?
The most common causes of P22C1 include: Sensor control circuit short to power; Faulty oxygen sensor Bank 2 Sensor 2; Damage to the wiring harness to the oxygen sensor; Corrosion or poor contact in connectors.
How do I fix a P22C1 diagnostic trouble code?
To fix P22C1: Visual inspection of the sensor wiring and connectors for damage. Checking the resistance and voltage in the sensor control circuit. Checking the operation of the oxygen sensor using a diagnostic scanner. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P22C1?
Yes, but get it checked soon
How much does it cost to fix P22C1?
The estimated repair cost for P22C1 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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