The control module detected an unstable or intermittent signal in the DC/DC Converter Temperature Sensor "A" circuit.
TuningBot DTC Database · v4.37.15
P0C3C DC/DC Converter Temperature Sensor "A" Intermittent/Erratic
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P0C3C means
Related and nearby codes
How to read P0C3C
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P0C3C
What does P0C3C mean?
DC/DC Converter Temperature Sensor "A" Intermittent/Erratic. The control module detected an unstable or intermittent signal in the DC/DC Converter Temperature Sensor "A" circuit.
Is P0C3C generic or manufacturer-specific?
P0C3C is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P0C3C 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.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
