P2202
NOx Sensor Circuit Low Bank 1 Sensor 1
P2202 is an OBD-II diagnostic trouble code meaning: NOx Sensor Circuit Low Bank 1 Sensor 1. Common causes: nox sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable engine idling
- Dips during acceleration
Causes
- NOx sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Wiring harness damage
- Engine control unit malfunction
How to Fix
- Check the integrity of the sensor wiring and connectors
- Check the voltage and resistance in the sensor circuit
- Scan the control unit for additional errors
- Replace NOx sensor if necessary
- Reset the error and check the system operation
Related codes
Error P2202 by Vehicle Brand
FAQ
What does the P2202 code mean?
P2202 is an OBD-II diagnostic trouble code that indicates: NOx Sensor Circuit Low Bank 1 Sensor 1
What causes a P2202 error code?
The most common causes of P2202 include: NOx sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring harness damage.
How do I fix a P2202 diagnostic trouble code?
To fix P2202: Check the integrity of the sensor wiring and connectors. Check the voltage and resistance in the sensor circuit. Scan the control unit for additional errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2202?
Yes, but get it checked soon
How much does it cost to fix P2202?
The estimated repair cost for P2202 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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