P2204
NOx Sensor Circuit Intermittent Bank 1 Sensor 1
P2204 is an OBD-II diagnostic trouble code meaning: NOx Sensor Circuit Intermittent Bank 1 Sensor 1. Common causes: damaged nox sensor wiring or connectors, poor contact in the sensor connector. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Deterioration of engine performance in some modes
- Increased fuel consumption
- Unstable engine idling
- Possible problems with passing technical inspection
Causes
- Damaged NOx sensor wiring or connectors
- Poor contact in the sensor connector
- NOx sensor malfunction
- Circuit Grounding Problems
- Engine control module malfunction
How to Fix
- Check the integrity of the NOx sensor wiring and connectors
- Clean sensor connector contacts
- Check sensor resistance and signal according to specification
- If necessary, replace the NOx sensor
- Check and correct grounding problems
Related codes
Error P2204 by Vehicle Brand
FAQ
What does the P2204 code mean?
P2204 is an OBD-II diagnostic trouble code that indicates: NOx Sensor Circuit Intermittent Bank 1 Sensor 1
What causes a P2204 error code?
The most common causes of P2204 include: Damaged NOx sensor wiring or connectors; Poor contact in the sensor connector; NOx sensor malfunction; Circuit Grounding Problems.
How do I fix a P2204 diagnostic trouble code?
To fix P2204: Check the integrity of the NOx sensor wiring and connectors. Clean sensor connector contacts. Check sensor resistance and signal according to specification. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2204?
Yes, but get it checked soon
How much does it cost to fix P2204?
The estimated repair cost for P2204 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat