CHEVROLET
Reported code forms P0AA1
This service bulletin provides repair information to correct a customer concern of MIL with DTC P0AA1 - Hybrid/EV Battery Positive Contactor Circuit Stuck Closed.
HomeP0AA1 · Manufacturer communications
P0AA1 · Manufacturer communications
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
CHRYSLER
Reported code forms P0AA1-00
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 P0AA1-00
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 P0AA1-00
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 P0AA1-00
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 P0AA1-00
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)…
RAM
Reported code forms P0AA1-00
Flash: Battery Pack Control Module (BPCM) Updates This bulletin involves reprogramming the BPCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…
CHEVROLET
Reported code forms P0AA1
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 P0AA1
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.
RAM
Reported code forms P0AA1-00
Flash: Battery Pack Control Module (BPCM) Updates This bulletin involves reprogramming the BPCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…
CHEVROLET
Reported code forms P0AA1
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 P0AA1-00
Flash: Battery Pack Control Module (BPCM) Diagnostic and System Improvements This bulletin involves reprogramming the BPCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL)…
MITSUBISHI
Reported code forms P0AA1
This TSB provides revised trouble shooting procedures for EV-ECU diagnostic codes P0AA1, P0AA4, P0AE2, P1A15, P1A16, P1A17, P1A26, and P1AF2.
SATURN
Reported code forms P0AA1
HYBRID BATTERY LIGHT ON, ILLUMINATION OF SES WITH DTC P0A4B (MAY SET DTC P0AA1 IN ADDITION TO P0A4B), SGCM, MGU, STARTER/GENERATOR, HYBRID RESOLVER CIRCUIT (INSTALL ENGINE WIRING HARNESS JUMPER). *KB