Powertrain
generic / SAE
P24CC
Reductant Tank Cap Switch Circuit Range or Performance
Same as P24CB with input in plausible range yet not matching driver action.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number4 / CC
Possible causes
- Contact drifted high
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: easy
- DIY: possible
- Estimated cost: 40–200 €
- Estimated time: 0.3–1 h
- Component: reductant tank cap switch
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012