P0AA1 · 厂商技术资料

CHEVROLET · 2021-12-15

This service bulletin provides repair information to correct a customer concern of MIL with DTC P0AA1 - Hybrid/EV Battery Positive Contactor Circuit Stuck Closed.

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…

RAM · 2020-05-13

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 investigation, a technician may find thefollowing DTCs have been set:If these codes re-occur after the software update then follow published service information.P0A82-00 - Hybrid/EV Cooling Fan 1 Performance/Stuck Off. P0A97-00 - Hybrid/EV Cooling Fan 2 Performance/Stuck Off. P0AC0-00 - Hybrid Battery Pack Current Sensor 1 Circuit Performance(2019MY Only). P1AEC - MCPA HV Battery Voltage Sensor Circuit Performance(2019 MY Only). If DTCs, P0AA1-00 - Hybrid Battery Positive Contactor Circuit Stuck Closedand P0AC0-00 - Hybrid Battery Pack Current Sensor 1 Circuit Performance…

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.

RAM · 2019-08-23

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 investigation, a technician may find the following DTCs have been set: If DTCs, P0AA1-00 - Hybrid Battery Positive Contactor Circuit Stuck Closed and P0AC0-00 - Hybrid Battery Pack Current Sensor 1 Circuit Performance is set together, follow the published service diagnostic information for P0AA1-00 before proceeding further with this bulletin. If DTC, P0AC0-00 is set without P0AA1-00, proceed with the bulletin. P0AC0-00 - Hybrid Battery Pack Current Sensor 1 Circuit Performance. P1AEC - MCPA HV Battery Voltage Sensor Circuit Performance.

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 · 2017-08-05

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) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set:P0AA1-00 - Hybrid Battery Positive Contactor Circuit Stuck Closed (After the vehicle is turned off, it may fail to restart). P0AA6-00 - Hybrid Battery Voltage System Isolation Fault. P1E1B-00 - Hybrid-Ev Battery Side Voltage System Isolation.Under a vehicle side isolation failure which generates P0AA6, the BPCM may falsely set P1E1B (HV battery isolation failure) on key off which results in a no start condition. U11C5-00 - BPCM Lost…

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.

SATURN · 2007-06-01

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