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TuningBot DTC Database · v4.37.15

P0C4B Hybrid Battery Pack Coolant Pump Supply Voltage Circuit/Open

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainThermal_managementOBD2

What P0C4B means

P0C4B
Hybrid Battery Pack Coolant Pump Supply Voltage Circuit/Open Generic · thermal_management Data confidence 78%

The control module detected an interruption (open circuit) in the Hybrid Battery Pack Coolant Pump Supply Voltage circuit, so the expected electrical continuity was not present.

Related and nearby codes

How to read P0C4B

P

Powertrain: engine, transmission and driveline systems.

0

Generic SAE-standard code: same meaning on every make.

C4B

Specific fault index within the subsystem.

Frequently asked questions about P0C4B

What does P0C4B mean?

Hybrid Battery Pack Coolant Pump Supply Voltage Circuit/Open. The control module detected an interruption (open circuit) in the Hybrid Battery Pack Coolant Pump Supply Voltage circuit, so the expected electrical continuity was not present.

Is P0C4B generic or manufacturer-specific?

P0C4B is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0C4B 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

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