Jeep Wrangler Service Bulletins (2021)
1,062 manufacturer communications on file.
- August 3, 2022•Document ID: 10229533Service Bulletin/Repair InstructionsELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 0805422REVB
- Date Added:
- January 9, 2023
- Manufacturer:
- JEEP
SummaryFlash: 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. P167B-00 - Controlled System Shutdown. U1885-00 - Battery Energy Control Module Lost Communication With HCP. P0EDD-00 - Hybrid/EV Battery Pack B Deterioration. U0111 - Lost Communication With Hybrid Battery Pack Sensor Module. P0CA7-00 - Hybrid/EV Battery Discharging Current High. P1A0C-00 - Battery Energy Control Module System Voltage Low. Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this BPCM update:Hybrid Control Processor (HCP), Auxiliary Hybrid Control Processor (AHCP) also known as the Power Inverter Module (PIM). Transmission Control Module (TCM). Powertrain Control Module (PCM). Integrated Dual Charging Module (IDCM).
Associated Products (1)Associated Documents - August 3, 2022•Document ID: 10229439Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING:COOLING SYSTEM
- Mfr Comm. #:
- 9100022
- Date Added:
- January 9, 2023
- Manufacturer:
- JEEP
SummaryWater Pump For concern of leak at water pump, please check and re-torque water pump inlet tube fasteners as described in Service Bulletin 07-001-22 before replacing the water pump.
Associated Products (2)Associated Documents - August 3, 2022•Document ID: 10229436Service Bulletin/Repair InstructionsPOWER TRAIN:AXLE ASSEMBLY
- Mfr Comm. #:
- 9100010
- Date Added:
- January 9, 2023
- Manufacturer:
- JEEP
SummaryAxle Assembly A parts kit (SENSOR KIT, Axle: 68544629A$) is available to repair the Axle Locker Sensor on JL/JT equipped with the M210 and M220 Tru-Lok axles (DSE). This parts kit must be used when only the Axle Locker Sensor fails. Do not replace the axle for sensor failure.
Associated Products (8)Associated Documents - August 3, 2022•Document ID: 10225385Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 0805422REVB
- Date Added:
- October 31, 2022
- Manufacturer:
- JEEP
SummaryFlash: 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. P167B-00 - Controlled System Shutdown. U1885-00 - Battery Energy Control Module Lost Communication With HCP. P0EDD-00 - Hybrid/EV Battery Pack B Deterioration. U0111 - Lost Communication With Hybrid Battery Pack Sensor Module. P0CA7-00 - Hybrid/EV Battery Discharging Current High. P1A0C-00 - Battery Energy Control Module System Voltage Low. Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this BPCM update:Hybrid Control Processor (HCP), Auxiliary Hybrid Control Processor (AHCP) also known as the Power Inverter Module (PIM). Transmission Control Module (TCM). Powertrain Control Module (PCM). Integrated Dual Charging Module (IDCM).
Associated Products (1)Associated Documents - August 3, 2022•Document ID: 10225302Service Bulletin/Repair InstructionsPOWER TRAIN:AUTOMATIC TRANSMISSION:COOLER/RADIATOR:HOSES AND FITTINGS; FUEL SYSTEM, GASOLINE; EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER
- Mfr Comm. #:
- 9100022
- Date Added:
- October 31, 2022
- Manufacturer:
- JEEP
SummaryWater Pump For concern of leak at water pump, please check and re-torque water pump inlet tube fasteners as described in Service Bulletin 07-001-22 before replacing the water pump.
Associated Products (2)Associated Documents - August 3, 2022•Document ID: 10225299Service Bulletin/Repair InstructionsWHEELS; BACK OVER PREVENTION; POWER TRAIN:AXLE ASSEMBLY
- Mfr Comm. #:
- 9100010
- Date Added:
- October 31, 2022
- Manufacturer:
- JEEP
SummaryAxle Assembly A parts kit (SENSOR KIT, Axle: 68544629A$) is available to repair the Axle Locker Sensor on JL/JT equipped with the M210 and M220 Tru-Lok axles (DSE). This parts kit must be used when only the Axle Locker Sensor fails. Do not replace the axle for sensor failure.
Associated Products (8)Associated Documents - August 3, 2022•Document ID: 10225248Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 0805422REVB
- Date Added:
- October 31, 2022
- Manufacturer:
- JEEP
SummaryFlash: 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. P167B-00 - Controlled System Shutdown. U1885-00 - Battery Energy Control Module Lost Communication With HCP. P0EDD-00 - Hybrid/EV Battery Pack B Deterioration. U0111 - Lost Communication With Hybrid Battery Pack Sensor Module. P0CA7-00 - Hybrid/EV Battery Discharging Current High. P1A0C-00 - Battery Energy Control Module System Voltage Low. Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this BPCM update:Hybrid Control Processor (HCP), Auxiliary Hybrid Control Processor (AHCP) also known as the Power Inverter Module (PIM). Transmission Control Module (TCM). Powertrain Control Module (PCM). Integrated Dual Charging Module (IDCM).
Associated Products (1)Associated Documents - August 3, 2022•Document ID: 10225165Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 9100022
- Date Added:
- October 31, 2022
- Manufacturer:
- JEEP
SummaryWater Pump For concern of leak at water pump, please check and re-torque water pump inlet tube fasteners as described in Service Bulletin 07-001-22 before replacing the water pump.
Associated Products (2)Associated Documents - August 3, 2022•Document ID: 10225162Service Bulletin/Repair InstructionsPOWER TRAIN:AXLE ASSEMBLY
- Mfr Comm. #:
- 9100010
- Date Added:
- October 31, 2022
- Manufacturer:
- JEEP
SummaryAxle Assembly A parts kit (SENSOR KIT, Axle: 68544629A$) is available to repair the Axle Locker Sensor on JL/JT equipped with the M210 and M220 Tru-Lok axles (DSE). This parts kit must be used when only the Axle Locker Sensor fails. Do not replace the axle for sensor failure.
Associated Products (8)Associated Documents - July 30, 2022•Document ID: 10230322Service Bulletin/Repair InstructionsAIR BAGS
- Mfr Comm. #:
- S2208000142
- Date Added:
- January 17, 2023
- Manufacturer:
- JEEP
SummaryAir Bag Warning Lamp On
Associated Products (2)Associated Documents - July 30, 2022•Document ID: 10223786Service Bulletin/Repair InstructionsAIR BAGS
- Mfr Comm. #:
- S2208000142
- Date Added:
- October 17, 2022
- Manufacturer:
- JEEP
SummaryAir Bag Warning Lamp On
Associated Products (2)Associated Documents - July 28, 2022•Document ID: 10230316Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; EXTERIOR LIGHTING
- Mfr Comm. #:
- S2208000054RevA
- Date Added:
- January 17, 2023
- Manufacturer:
- JEEP
SummaryLeft Headlight, Park Lamp Flickers Or Is Inoperative. B162A, B163A, B1632, B16CF
Associated Products (4)Associated Documents - July 28, 2022•Document ID: 10223780Service Bulletin/Repair InstructionsEXTERIOR LIGHTING; ELECTRICAL SYSTEM
- Mfr Comm. #:
- S2208000054RevA
- Date Added:
- October 17, 2022
- Manufacturer:
- JEEP
SummaryLeft Headlight, Park Lamp Flickers Or Is Inoperative. B162A, B163A, B1632, B16CF
Associated Products (4)Associated Documents - July 20, 2022•Document ID: 10230308Service Bulletin/Repair InstructionsVISIBILITY:WINDSHIELD WIPER/WASHER
- Mfr Comm. #:
- S2223000054
- Date Added:
- January 17, 2023
- Manufacturer:
- JEEP
SummaryWasher Inoperative, Weak Or No Spray. Low Washer Indicator May Be Illuminated.
Associated Products (9)Associated Documents - July 20, 2022•Document ID: 10223772Service Bulletin/Repair InstructionsVISIBILITY:WINDSHIELD WIPER/WASHER
- Mfr Comm. #:
- S2223000054
- Date Added:
- October 17, 2022
- Manufacturer:
- JEEP
SummaryWasher Inoperative, Weak Or No Spray. Low Washer Indicator May Be Illuminated.
Associated Products (9)Associated Documents - July 16, 2022•Document ID: 10230305Service Bulletin/Repair InstructionsELECTRICAL SYSTEM:PROPULSION SYSTEM:FUEL CELL
- Mfr Comm. #:
- S2208000139
- Date Added:
- January 17, 2023
- Manufacturer:
- JEEP
SummaryCheck Engine Lamp (CEL) Multiple Diagnostic Trouble Codes (DTC)
Associated Products (1)Associated Documents - July 16, 2022•Document ID: 10223769Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- S2208000139
- Date Added:
- October 17, 2022
- Manufacturer:
- JEEP
SummaryCheck Engine Lamp (CEL) Multiple Diagnostic Trouble Codes (DTC)
Associated Products (1)Associated Documents - July 14, 2022•Document ID: 10230340Service Bulletin/Repair InstructionsPOWER TRAIN:AXLE ASSEMBLY
- Mfr Comm. #:
- 0300322
- Date Added:
- January 17, 2023
- Manufacturer:
- JEEP
SummaryFront or Rear Axle Sensor Kit
Associated Products (8)Associated Documents - July 14, 2022•Document ID: 10223804Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 0300322
- Date Added:
- October 17, 2022
- Manufacturer:
- JEEP
SummaryFront or Rear Axle Sensor Kit
Associated Products (8)Associated Documents - July 13, 2022•Document ID: 10230302Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- S2008000075RevA
- Date Added:
- January 17, 2023
- Manufacturer:
- CHRYSLER
SummaryNo Start, Start Stop Inoperative, Cluster Message Service Start Stop System
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