OBD-II code · Powertrain (generic, extended)
P2214 NOx Sensor Circuit Range/Performance (Bank 2)
NOx sensor on bank 2 reads in range but plausibility check fails — slow response, drift, or value does not match the model expectation.
Is it safe to drive with P2214?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelySensor drift
- Less likelySensor element aged beyond calibration window
- Less likelySensor mounting loose - signal damping
Symptoms
- Check engine light or NOx warning on
- AdBlue/DEF level or quality warning
- Possible no-start countdown after ignore period
- Failed emissions inspection (NOx)
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Likely to fail
- Parts involved
- Nox Sensor
Related codes
- P2207NOx Sensor Circuit Range/Performance (Bank 2)
- P2213NOx Sensor Circuit (Bank 2)
- P2211NOx Sensor Heater Sense Circuit Intermittent (Bank 2)
- P2212NOx Sensor Heater Sense Circuit Intermittent (Bank 1 Sensor 1)
- P2215NOx Sensor Circuit Low (Bank 2)
- P2216NOx Sensor Circuit High (Bank 2)
- P2217NOx Sensor Circuit Intermittent (Bank 2)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.