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TuningBot DTC Database · v4.37.15

P0B38 Motor Electronics Coolant Pump "B" Control Circuit/Open

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

P · PowertrainThermal_managementOBD2

What P0B38 means

P0B38
Motor Electronics Coolant Pump "B" Control Circuit/Open Generic · thermal_management Data confidence 78%

The control module detected an interruption (open circuit) in the Motor Electronics Coolant Pump "B" Control circuit, so the expected electrical continuity was not present.

Related and nearby codes

How to read P0B38

P

Powertrain: engine, transmission and driveline systems.

0

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

B38

Specific fault index within the subsystem.

Frequently asked questions about P0B38

What does P0B38 mean?

Motor Electronics Coolant Pump "B" Control Circuit/Open. The control module detected an interruption (open circuit) in the Motor Electronics Coolant Pump "B" Control circuit, so the expected electrical continuity was not present.

Is P0B38 generic or manufacturer-specific?

P0B38 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0B38 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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