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TuningBot DTC Database · v4.37.15

P0E12 Hybrid/EV Battery Pack Coolant Heater A Control Circuit/Open

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

P · PowertrainHybridOBD2

What P0E12 means

P0E12
Hybrid/EV Battery Pack Coolant Heater A Control Circuit/Open Generic · hybrid Data confidence 65%

The control module detected an interruption (open circuit) in the Hybrid/EV Battery Pack Coolant Heater A Control circuit, so the expected electrical continuity was not present.

Related and nearby codes

How to read P0E12

P

Powertrain: engine, transmission and driveline systems.

0

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

E12

Specific fault index within the subsystem.

Frequently asked questions about P0E12

What does P0E12 mean?

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

Is P0E12 generic or manufacturer-specific?

P0E12 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0E12 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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