# P0A78 on the 2022 Chrysler Pacifica

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0A78

- [11031685](https://open.wenmarpro.com/bulletins/11031685), 2026-04-29: If the vehicle comes in with any of the following P codes, please refer to the active TSBs for HCP/AHCP flash BEFORE ordering PIM P0A78 \- Drive Motor A Inverter Performance. P0A79 \- Drive Motor B Inverter Performance. P0A3F\-00 \- Drive Motor A Position Sensor 1 Circuit. P0A43\-00 \- Drive Motor A Position Sensor Circuit Intermittent. P0A45\-00 \- Drive Motor B Position Sensor 1 Circuit. P0C1A\-00 \- Drive Motor B Torque Delivered Performance.
- [11031463](https://open.wenmarpro.com/bulletins/11031463), 2026-04-22: If the vehicle comes in with any of the following P codes, please refer to the active TSBs for HCP/AHCP flash BEFORE ordering PIM P0A78 \- Drive Motor A Inverter Performance. P0A79 \- Drive Motor B Inverter Performance. P0A3F\-00 \- Drive Motor A Position Sensor 1 Circuit. P0A43\-00 \- Drive Motor A Position Sensor Circuit Intermittent. P0A45\-00 \- Drive Motor B Position Sensor 1 Circuit. P0C1A\-00 \- Drive Motor B Torque Delivered Performance.
- [11008750](https://open.wenmarpro.com/bulletins/11008750), 2024-10-08: "Flash: Hybrid Control Module \(HCP\), Auxiliary Hybrid Control Module/Power Inverter Module \(PIM\) Flash Updates \*Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\):\*\* ● \*\*P0A78\-00 \- Drive Motor A Inverter Performance.\*\* ● P0E15\-00 \- Hybrid\-EV Battery Pack Coolant Heater A Control Performance. Customers may also comment on one or more of the following: ● \*\*Message displayed on the Instrument Panel Cluster \(IPC\) stating that the ""Vehicle is shutting down in 2 minutes"".\*\* ● Electric Vehicle \(EV\) mode may be inoperable. ● A reduction in cabin heater performance. This bulletin involves reprogramming the HCP and AHCP \*\*\(also known as the PIM\)\*\* with the latest available software."