The control module detected that the signal in the Motor Electronics Coolant Pump "B" Control circuit stayed above the expected operating range.
TuningBot DTC Database · v4.37.15
P0B3A Motor Electronics Coolant Pump "B" Control Circuit High
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P0B3A means
Related and nearby codes
How to read P0B3A
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 P0B3A
What does P0B3A mean?
Motor Electronics Coolant Pump "B" Control Circuit High. The control module detected that the signal in the Motor Electronics Coolant Pump "B" Control circuit stayed above the expected operating range.
Is P0B3A generic or manufacturer-specific?
P0B3A is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P0B3A 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
