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TuningBot DTC Database · v4.37.15

P0A66 Drive Motor "B" Phase U Current

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

P · PowertrainHybridOBD2

What P0A66 means

P0A66
Drive Motor "B" Phase U Current Generic · hybrid Data confidence 78%

The control module detected a fault associated with the Drive Motor "B" Phase U Current circuit or function; the stored code identifies the affected component rather than a single failure mode.

Related and nearby codes

How to read P0A66

P

Powertrain: engine, transmission and driveline systems.

0

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

A66

Specific fault index within the subsystem.

Frequently asked questions about P0A66

What does P0A66 mean?

Drive Motor "B" Phase U Current. The control module detected a fault associated with the Drive Motor "B" Phase U Current circuit or function; the stored code identifies the affected component rather than a single failure mode.

Is P0A66 generic or manufacturer-specific?

P0A66 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0A66 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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