Powertrain
generic / SAE
P2217
NOx Sensor Circuit Intermittent (Bank 2)
NOx Sensor Circuit Intermittent (Bank 2): the signal is intermittent or erratic. Often a loose connector or chafed wiring; a wiggle test often locates it.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number2 / 17
Possible causes
- Intermittent connector high
- Connector with intermittent contact under vibration low
- Harness routed against vibrating component low
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)
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 150–1000 €
- Estimated time: 0.7–3 h
- Component: nox sensor
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012