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P0A78
Drive Motor "A" Inverter Performance
Generic · hybrid
Data confidence
78%
The control module judged the Drive Motor "A" Inverter behaviour implausible for the current operating conditions.
TuningBot DTC Database · v4.37.15
P0A78 Drive Motor "A" Inverter Performance
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P0A78 means
Related and nearby codes
How to read P0A78
P
Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
A78
Specific fault index within the subsystem.
Frequently asked questions about P0A78
What does P0A78 mean?
Drive Motor "A" Inverter Performance. The control module judged the Drive Motor "A" Inverter behaviour implausible for the current operating conditions.
Is P0A78 generic or manufacturer-specific?
P0A78 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P0A78 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