P0AA4 · メーカー技術情報

JEEP · 2023-02-10

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 Sequence Incorrect. ? P0B3E-00 - Hybrid/EV Battery Voltage Sense 1 Circuit High. ? P0607-00 - ECU Internal Performance. ? P1E1B-00 - Hybrid/EV Battery Side Voltage System Isolation. ? P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed. ? P1C00-00 - Hybrid/EV Battery Voltage Sense 1 Out Of Range Low. ? P1C01-00 - Hybrid/EV Battery Voltage Sense 1 Out Of Range High. ? P1A9B-00 - Hybrid/EV Battery Temperature Sensor 1 Out Of Range High. ? P0BBD-00 - Hybrid Battery Pack Voltage Variation Exceeded Limit. ? P167B-00 - Controlled System Shutdown. ? U1885-00 - Battery…

JEEP · 2023-02-10

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 Sequence Incorrect. ? P0B3E-00 - Hybrid/EV Battery Voltage Sense 1 Circuit High. ? P0607-00 - ECU Internal Performance. ? P1E1B-00 - Hybrid/EV Battery Side Voltage System Isolation. ? P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed. This bulletin involves updating the BPCM with the latest available software. NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this BPCM update: ? Powertrain Control Module (PCM). ? Integrated Dual Charging Module (IDCM). ? Transmission Control…

FORD · 2023-01-27

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) P0563, P0ADA, P0ADE, P0AA1, P0AA4, P0AA5, P0AA2, P0D10, P0D0F, and/or P0C78 stored in battery energy control module (BECM). It may also have a low/discharged 12V battery and/or display a Stop Safely Now message in the instrument panel cluster (IPC). This may be due to the high voltage battery junction box (HVBJB). To correct the condition, follow the Service Procedure to replace the HVBJB and reprogram the BECM.

JEEP · 2022-08-03

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) illumination related to PHEV battery: P1A21-00 - HV Battery Contactor Control Sequence Incorrect. P0B3E-00 - Hybrid/EV Battery Voltage Sense 1 Circuit High. P0607-00 - ECU Internal Performance. P1E1B-00 - Hybrid/EV Battery Side Voltage System Isolation. P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed.

JEEP · 2022-08-03

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) illumination related to PHEV battery: P1A21-00 - HV Battery Contactor Control Sequence Incorrect. P0B3E-00 - Hybrid/EV Battery Voltage Sense 1 Circuit High. P0607-00 - ECU Internal Performance. P1E1B-00 - Hybrid/EV Battery Side Voltage System Isolation. P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed. P1C00-00 - Hybrid/EV Battery Voltage Sense 1 Out Of Range Low. P1C01-00 - Hybrid/EV Battery Voltage Sense 1 Out Of Range High. P1A9B-00 - Hybrid/EV Battery Temperature Sensor 1 Out Of Range High. P0BBD-00 - Hybrid Battery Pack Voltage Variation Exceeded Limit.…

FORD · 2022-08-02

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 diagnostic trouble codes (DTCs) P0563, P0ADA, P0ADE, P0AA1, P0AA4, P0AA5, P0AA2, P0D10, P0D0F, and/or P0C78 stored in battery energy control module (BECM) or a low/discharged 12V battery with P0DA8 and/or P1A10 in the secondary onboard diagnostic module-C (SOBDMC). This may be due to the high voltage battery junction box (HVBJB). To correct the condition, follow the Service Procedure to replace the HVBJB and reprogram the BECM.

CHRYSLER · 2021-08-05

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) illumination. Upon further investigation, the technician may one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0AA1-00 - Hybrid/EV Battery Positive Contactor ?A? Stuck Closed. P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed. P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. P0B3C-00 - Hybrid/EV Battery Voltage Sense 1 Circuit Performance. P0B41-00 - Hybrid/EV Battery Voltage Sense 2 Circuit Performance. P0B46-00 - Hybrid/EV Battery Voltage Sense 3 Circuit Performance. P0B4B-00 - Hybrid/EV Battery Voltage Sense 4 Circuit…

CHRYSLER · 2021-08-05

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) illumination. Upon further investigation, the technician may notice one or more of the following DTCs have been set: P0AA1-00 - Hybrid/EV Battery Positive Contactor ?A? Stuck Closed. P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed. P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. P0B3C-00 - Hybrid/EV Battery Voltage Sense 1 Circuit Performance. P0B41-00 - Hybrid/EV Battery Voltage Sense 2 Circuit Performance. P0B46-00 - Hybrid/EV Battery Voltage Sense 3 Circuit Performance. P0B4B-00 - Hybrid/EV Battery Voltage Sense 4 Circuit Performance. P0B50-00 -…

CHRYSLER · 2021-08-05

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) illumination. Upon further investigation, the technician may notice one or more of the following DTCs have been set: P0AA1-00 - Hybrid/EV Battery Positive Contactor ?A? Stuck Closed. P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed. P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. P0B3C-00 - Hybrid/EV Battery Voltage Sense 1 Circuit Performance. P0B41-00 - Hybrid/EV Battery Voltage Sense 2 Circuit Performance. P0B46-00 - Hybrid/EV Battery Voltage Sense 3 Circuit Performance. P0B4B-00 - Hybrid/EV Battery Voltage Sense 4 Circuit Performance. P0B50-00 -…

CHRYSLER · 2021-05-22

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) illumination. Upon further investigation, the technician may notice one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0AA1-00 - Hybrid/Ev Battery Positive Contactor ?A? Stuck Closed. P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed. P0B3C-00 - Hybrid-Ev Battery Voltage Sense 1 Circuit Performance. P0B41-00 - Hybrid-Ev Battery Voltage Sense 2 Circuit Performance. P0B46-00 - Hybrid-Ev Battery Voltage Sense 3 Circuit Performance P0B4B-00 - Hybrid-Ev Battery Voltage Sense 4 Circuit Performance. P0B50-00 - Hybrid/Ev Battery Voltage Sense 5…

CHRYSLER · 2021-05-22

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) illumination. Upon further investigation, the technician may notice one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0AA1-00 - Hybrid/Ev Battery Positive Contactor ?A? Stuck Closed. P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed. P0B3C-00 - Hybrid-Ev Battery Voltage Sense 1 Circuit Performance. P0B41-00 - Hybrid-Ev Battery Voltage Sense 2 Circuit Performance. P0B46-00 - Hybrid-Ev Battery Voltage Sense 3 Circuit Performance P0B4B-00 - Hybrid-Ev Battery Voltage Sense 4 Circuit Performance. P0B50-00 - Hybrid/Ev Battery Voltage Sense 5…

CHEVROLET · 2020-01-13

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. Contactors welded in the closed position will set DTC?s P0AA1 (positive), P0AA4 (negative), and P0C76 (hybrid). The malfunction indicator lamp (MIL) may also illuminate and vehicle may not start with this condition. Dealers will reprogram the hybrid powertrain control module.

CHEVROLET · 2019-11-21

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 · 2018-03-15

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 · 2017-11-03

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 customer may describe a loss of vehicle propulsion or a Malfunction Indicator Light (MIL) illuminated with the following Diagnostic Trouble Codes (DTCs):P0C77-00 - HV Battery System Precharge Time Too Short. P0C76-00 - Hybrid EV System Discharge Time Too Long - PIM. P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed. P0A79-00 - Drive Motor B Inverter Performance. P1AEF-00 - MCPB High Voltage Battery System Voltage High. P0AFA-00 - Hybrid-EV Battery System Voltage Low. P0EED-00 - Hybrid-EV Battery System Discharge Circuit Performance.

FORD · 2016-07-27

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 MALFUNCTION INDICATOR LAMP (MIL) WITH DIAGNOSTIC TROUBLE CODE (DTC) P0AA4. REPROGRAM THE POWERTRAIN CONTROL MODULE (PCM) TO THE LATEST LEVEL USING THE INTEGRATED DIAGNOSTIC SYSTEM (IDS) SOFTWARE 101.02 OR LATER. THE SECONDARY ONBOARD DIAGNOSTIC MODULE C (SOBDMC) WILL AUTOMATICALLY UPDATE IF IT IS NOT AT THE LATEST CALIBRATION LEVEL. MAKE SURE YOU ARE CONNECTED TO THE INTERNET WHEN ENTERING MODULE PROGRAMMING TO OBTAIN THE LATEST UPDATES. CALIBRATION FILES MAY ALSO BE OBTAINED AT WWW.MOTORCRAFTSERVICE.COM.

FIAT · 2015-05-06

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), Power Inverter Module (PIM) and Battery Pack Control Module (BPCM) if required. The customer may experience one or more of the following: ? The vehicle does not start charging when it?s plugged into the charging station. ? Intermittently the charge indicator will show it?s charging when it?s not charging. ? Intermittently the vehicle may have reduced performance. Enhancement: ? Increase of vehicle range in very cold weather. ? Improve Air Conditioning operation. ? Improvements to help reduce 12 volt battery drain when charging the vehicle with incompatible charging station.…

FIAT · 2015-04-13

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), Power Inverter Module (PIM) and Battery Pack Control Module (BPCM) if required. The customer may experience one or more of the following: ? The vehicle does not start charging when it?s plugged into the charging station. ? Intermittently the charge indicator will show it?s charging when it?s not charging. ? Intermittently the vehicle may have reduced performance. Enhancement: ? Increase of vehicle range in very cold weather. ? Improve Air Conditioning operation. ? Improvements to help reduce 12 volt battery drain when charging the vehicle with incompatible charging station.…

FIAT · 2015-01-09

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), Power Inverter Module (PIM), Battery Pack Control Module (BPCM) and Electric Vehicle Control Unit (EVCU) if required. The customer may experience one or more of the following: ? The vehicle does not start charging when it?s plugged into the charging station. ? Intermittently the charge indicator will show it?s charging when it?s not charging. ? Intermittently the vehicle may have reduced performance. Enhancement: ? Charging system enhancement during very cold weather. ? Increase of vehicle range in very cold weather. ? Improve Air Conditioning operation. ? Improvements to…

MITSUBISHI · 2012-10-09

This TSB provides revised trouble shooting procedures for EV-ECU diagnostic codes P0AA1, P0AA4, P0AE2, P1A15, P1A16, P1A17, P1A26, and P1AF2.