P229E
NOx Sensor Circuit Bank 1 Sensor 2
P229E is an OBD-II diagnostic trouble code meaning: NOx Sensor Circuit Bank 1 Sensor 2. Common causes: open or short circuit in the nox sensor circuit, poor contact in the sensor connector. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Reduced engine power
- Increased fuel consumption
- Unstable engine idling
- Dips during acceleration
Causes
- Open or short circuit in the NOx sensor circuit
- Poor contact in the sensor connector
- NOx sensor malfunction
- Wiring harness damage
- Problems with the engine control unit
How to Fix
- Check the integrity of the sensor wiring and connectors
- Check the resistance and voltage in the sensor circuit
- Replace NOx sensor if necessary
- Reset the error and check the system operation
Related codes
Error P229E by Vehicle Brand
FAQ
What does the P229E code mean?
P229E is an OBD-II diagnostic trouble code that indicates: NOx Sensor Circuit Bank 1 Sensor 2
What causes a P229E error code?
The most common causes of P229E include: Open or short circuit in the NOx sensor circuit; Poor contact in the sensor connector; NOx sensor malfunction; Wiring harness damage.
How do I fix a P229E diagnostic trouble code?
To fix P229E: Check the integrity of the sensor wiring and connectors. Check the resistance and voltage in the sensor circuit. Replace NOx sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P229E?
Yes, but get it checked soon
How much does it cost to fix P229E?
The estimated repair cost for P229E is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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