P24CCReductant Tank Cap Switch Circuit Range/Performance
Generic (OBD-II) interpretation in the TuningBot DTC database.
P · PowertrainEmissionsOBD2
What P24CC means
P24CC
Reductant Tank Cap Switch Circuit Range/Performance
Generic · emissions
Data confidence65%
The control module judged the Reductant Tank Cap Switch signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.
Symptoms
MIL or SCR/AdBlue warning illuminated
Possible start-count-down or torque limitation on some applications
Possible causes
Reductant quality or level fault
Dosing valve or supply module fault
NOx sensor fault
Frozen or crystallized reductant lines
Wiring or connector fault
Recommended checks
Read NOx sensor values and dosing system status
Check reductant level and quality data
Inspect dosing valve, lines and heater operation
Check wiring and connectors of the SCR components
Check for OEM technical bulletins and software updates
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
4CC
Specific fault index within the subsystem.
Frequently asked questions about P24CC
What does P24CC mean?
Reductant Tank Cap Switch Circuit Range/Performance. The control module judged the Reductant Tank Cap Switch signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.
Is P24CC generic or manufacturer-specific?
P24CC is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P24CC at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
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