Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
JEEP
Reported code forms P0AA4-00
Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates Customers may experience a false Malfunction Indicator Lamp (MIL) illumination related to PHEV battery: ? P1A21-00 - HV Battery Contactor Control…
JEEP
Reported code forms P0AA4-00
Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates Customers may experience a false Malfunction Indicator Lamp (MIL) illumination related to PHEV battery: ? P1A21-00 - HV Battery Contactor Control…
FORD
Reported code forms P0AA4
Some 2021-2022 Mustang Mach-E vehicles built on or before 28-May-2022 may exhibit an illuminated malfunction indicator lamp (MIL) and/or powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTCs)…
JEEP
Reported code forms P0AA4-00
Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates This bulletin involves updating the BPCM with the latest available software. Customers may experience a false Malfunction Indicator Lamp (MIL)…
JEEP
Reported code forms P0AA4-00
Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates This bulletin involves updating the BPCM with the latest available software. Customers may experience a false Malfunction Indicator Lamp (MIL)…
FORD
Reported code forms P0AA4
Some 2021-2022 Mustang Mach-E vehicles built on or before 28-May-2022 may exhibit an illuminated malfunction indicator lamp (MIL) and/or display a Stop Safely Now message in the instrument panel cluster (IPC) with…
CHRYSLER
Reported code forms P0AA4-00
Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates This bulletin involves updating the BPCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL)…
CHRYSLER
Reported code forms P0AA4-00
Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates This bulletin involves updating the BPCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL)…
CHRYSLER
Reported code forms P0AA4-00
Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates This bulletin involves updating the BPCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL)…
CHRYSLER
Reported code forms P0AA4-00
Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates This bulletin involves updating the BPCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL)…
CHRYSLER
Reported code forms P0AA4-00
Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates This bulletin involves updating the BPCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL)…
CHEVROLET
Reported code forms P0AA4
Service Update. Certain vehicles may exhibit the high voltage bulkhead battery disconnect unit (BBDU) positive and/or negative contactors or relays, permanently or intermittently welded in the closed position.…
CHEVROLET
Reported code forms P0AA4
This Preliminary information communicates that a program to repair the P0AA1 and P0AA4 is now available. Under specific unique conditions when the 12V battery voltage drops below a threshold, these DTCs may set.
CHEVROLET
Reported code forms P0AA4
This Bulletin provides information for High Voltage Battery Disconnect Relay Replacement (Also known as A28 Hybrid/EV Battery Contactor Assembly) to correct the No/Start and DTCs P0AA1 and P0AA4 condition.
CHRYSLER
Reported code forms P0AA4-00
Loose High Voltage Cable at the Power Inverter Module (PIM) Terminal This bulletin involves inspecting the High Voltage Interlock Loop (HVIL) connector and potentially installing a Power Inverter Module (PIM) kit. The…
FORD
Reported code forms P0AA4
SOME 2017 FUSION PLUG-IN HYBRID ELECTRIC VEHICLE (PHEV) BUILT ON 5/9/2016 AND THROUGH 6/14/2016 AND 2016 C-MAX PHEV VEHICLES BUILT ON 4/27/2016 AND THROUGH 6/14/2016 MAY EXHIBIT A NO-START CONDITION, ILLUMINATED…
FIAT
Reported code forms P0AA4-00
FLASH: Battery Electric Vehicle, Multiple System Enhancements This bulletin involves updating the software in multiple modules, Vehicle Tracking Module (VTM), Body Control Module (BCM), On-Board Charging Module (OBCM),…
FIAT
Reported code forms P0AA4-00
FLASH: Battery Electric Vehicle, Multiple System Enhancements This bulletin involves updating the software in multiple modules, Vehicle Tracking Module (VTM), Body Control Module (BCM), On-Board Charging Module (OBCM),…
FIAT
Reported code forms P0AA4-00
FLASH: Battery Electric Vehicle, Multiple System Enhancements This bulletin involves updating the software in multiple modules, Vehicle Tracking Module (VTM), Body Control Module (BCM), On-Board Charging Module (OBCM),…
MITSUBISHI
Reported code forms P0AA4
This TSB provides revised trouble shooting procedures for EV-ECU diagnostic codes P0AA1, P0AA4, P0AE2, P1A15, P1A16, P1A17, P1A26, and P1AF2.