What does code P24CC mean?

Q: What does code P24CC mean?

Reductant Tank Cap Switch Circuit Range or Performance. P24CC indicates that the powertrain control module has detected an out-of-range or performance fault in the electrical circuit of the reductant tank cap switch, which is the sensor that confirms the diesel exhaust fluid filler cap is properly closed and sealed. The computer monitors the switch signal for expected voltage changes when the cap is opened or closed, and it sets this code when the signal does not behave as programmed.

DTC codes / P24xx · Auxiliary emission controls / P24CC

P24CCReductant Tank Cap Switch Circuit Range or Performance

P24CC indicates that the powertrain control module has detected an out-of-range or performance fault in the electrical circuit of the reductant tank cap switch, which is the sensor that confirms the diesel exhaust fluid filler cap is properly closed and sealed. The computer monitors the switch signal for expected voltage changes when the cap is opened or closed, and it sets this code when the signal does not behave as programmed.

SystemPowertrain

Code typeGeneric (all makes)

SeverityLow

Fix difficultyIntermediate

AreaAuxiliary emission controls

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.