Jeep Wrangler Service Bulletins

1,423 manufacturer communications on file.

August 31, 2021•Document ID: 10218528
Service Bulletin/Repair Instructions
FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING
Mfr Comm. #:
S1818000024
Date Added:
August 22, 2022
Manufacturer:
RAM
Summary
Diesel Fuel Injector Cleaning Procedure
Associated Products (3)
2021 Jeep Gladiator 2021 Jeep Wrangler 2021 Ram 1500
Associated Documents
- Download MC-10218528-0001.pdf↗
August 26, 2021•Document ID: 10218594
Service Bulletin/Repair Instructions
POWER TRAIN
Mfr Comm. #:
18-074-21
Date Added:
August 22, 2022
Manufacturer:
JEEP
Summary
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Code (DTC). U0402-00 - Implausible Data Received From TCM. U145D - Implausible Data Received From TCM On D-PT. Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this PCM update:Hybrid Control Processor (HCP), Auxiliary Hybrid Control Processor (AHCP) also known as the Power Invertor Module (PIM). Transmission Control Module (TCM). Battery Pack Control Module (BPCM). Integrated Dual Charging Module (IDCM).
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10218594-0001.pdf↗
August 26, 2021•Document ID: 10218593
Service Bulletin/Repair Instructions
POWER TRAIN; ELECTRICAL SYSTEM
Mfr Comm. #:
08-141-21
Date Added:
August 22, 2022
Manufacturer:
JEEP
Summary
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: U0111 - Lost Communication With Hybrid Battery Pack Sensor Module. P0EDD-00 - Hybrid/EV Battery Pack B Deterioration. P0CA7-00 - Hybrid/EV Battery Discharging Current High. P1A0C-00 - Battery Energy Control Module System Voltage Low. This software enhancement will improve PHEV battery performance and diagnostics.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 Invertor Module (PIM). Transmission Control Module (TCM). Powertrain Control Module (PCM). Integrated Dual Charging Module (IDCM).
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10218593-0001.pdf↗
August 26, 2021•Document ID: 10218592
Service Bulletin/Repair Instructions
POWER TRAIN
Mfr Comm. #:
21-028-21
Date Added:
August 22, 2022
Manufacturer:
JEEP
Summary
Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Code (DTC). U0293-00 - Lost Communication With Hybrid Control Module. P0732-00 - Gear 2 Shift Incorrect Ratio. P061B-00 - Internal Control Module Torque Calculation Performance. Other software enhancement::2?1 downshift improvement. Additional module flashes are required for this update to be effective, the following modules are all to be updated along withthis PCM update:Hybrid Control Processor (HCP), Auxiliary Hybrid Control Processor (AHCP) also known as the Power Invertor Module (PIM). Powertrain Control Module (PCM). Battery Pack Control Module (BPCM). Integrated Dual Charging Module (IDCM).
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10218592-0001.pdf↗
August 26, 2021•Document ID: 10218591
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT:POWER CONTROL UNIT/MODULE (HPCU)
Mfr Comm. #:
08-144-21
Date Added:
August 22, 2022
Manufacturer:
JEEP
Summary
Flash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates This bulletin involves reprogramming the HCP and AHCP or also known as Power Inverter Module (PIM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Code (DTC). P061B-00 - Internal Control Module Torque Calculation Performance.P061B-00 DTC may set after driving on snow/ice in 2WD and Traction Control System (TCS) turned off. P06A3-00 - Sensor Reference Voltage "D" Circuit/Open. P0697-00 - Sensor Reference Voltage 3 Circuit. Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this HCP and AHCP update:Powertrain Control Module (PCM) Transmission Control Module (TCM). Battery Pack Control Module (BPCM). Integrated Dual Charging Module (IDCM).
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10218591-0001.pdf↗
August 26, 2021•Document ID: 10218590
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
08-145-21
Date Added:
August 22, 2022
Manufacturer:
JEEP
Summary
Flash: Integrated Dual Charging Module (IDCM) Enhancements This bulletin involves reprogramming the IDCM with the latest software available or replacing the IDCM if required. . Module, Integrated Dual Charging (IDCM)
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10218590-0001.pdf↗
August 26, 2021•Document ID: 10218589
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM
Mfr Comm. #:
08-143-21
Date Added:
August 22, 2022
Manufacturer:
JEEP
Summary
Flash: Instrument Panel Cluster (IPC) Updates This bulletin involves reprogramming the IPC with the latest available software. Customers may comment on the following:Vehicle doesn't switch to EV mode. Front passenger seat belt chime may still ding approximately 20 seconds after the belt has been fastened. Battery was dead after leaving the vehicle overnight. Battery bar gauge graphics indicates an empty charge while showing full charge % and full range.The battery percentage and range are accurate and are not affected by this issue, only the graphical bar is wrong. After starting the vehicle or battery replacement incorrect odometer value was displayed.Actual vehicle mileage is still stored in the PCM&RF Hub which can be retrieved for a cluster replacement using wiTECH.
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10218589-0001.pdf↗
August 26, 2021•Document ID: 10218544
Service Bulletin/Repair Instructions
EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Mfr Comm. #:
77115
Date Added:
August 22, 2022
Manufacturer:
JEEP
Summary
2021 (JL) Jeep Wrangler 4xe RRTs AND UPCOMING CSNs
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10218544-0001.pdf↗
August 25, 2021•Document ID: 10219982
Service Bulletin/Repair Instructions
EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
Mfr Comm. #:
S2108000204
Date Added:
September 15, 2022
Manufacturer:
RAM
Summary
Radio Lockup In The Software Installation Screen After Accepting FOTA Update (Incorrect "S2008000204" indicated on published document)
Associated Products (14)
2021 Chrysler 300 2021 Dodge Challenger 2021 Dodge Charger 2021 Jeep Cherokee 2021 Jeep Compass 2021 Jeep Gladiator 2021 Jeep Grand Cherokee 2021 Jeep Renegade 2021 Jeep Wrangler 2021 Ram 1500 2021 Ram 2500 2021 Ram 3500 2021 Ram 4500 2021 Ram 5500
Associated Documents
- Download MC-10219982-0001.pdf↗
August 25, 2021•Document ID: 10218521
Service Bulletin/Repair Instructions
EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
Mfr Comm. #:
S2108000204
Date Added:
August 22, 2022
Manufacturer:
JEEP
Summary
Radio Lockup In The Software Installation Screen After Accepting FOTA Update (Incorrect "S2008000204" indicated on published document)
Associated Products (12)
2021 Chrysler 300 2021 Dodge Charger 2021 Jeep Cherokee 2021 Jeep Compass 2021 Jeep Gladiator 2021 Jeep Grand Cherokee 2021 Jeep Renegade 2021 Jeep Wrangler 2021 Ram 1500 2021 Ram 2500 2021 Ram 3500 2021 Ram 4500
Associated Documents
- Download MC-10218521-0001.pdf↗
August 24, 2021•Document ID: 10219976
Service Bulletin/Repair Instructions
ENGINE
Mfr Comm. #:
S2109000010
Date Added:
September 15, 2022
Manufacturer:
RAM
Summary
3.0L Ecodiesel Engine Oil Information
Associated Products (3)
2021 Jeep Gladiator 2021 Jeep Wrangler 2021 Ram 1500
Associated Documents
- Download MC-10219976-0001.pdf↗
August 24, 2021•Document ID: 10218515
Service Bulletin/Repair Instructions
ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION: OIL COOLER
Mfr Comm. #:
S2109000010
Date Added:
August 22, 2022
Manufacturer:
JEEP
Summary
3.0L Ecodiesel Engine Oil Information
Associated Products (3)
2021 Jeep Gladiator 2021 Jeep Wrangler 2021 Ram 1500
Associated Documents
- Download MC-10218515-0001.pdf↗
August 23, 2021•Document ID: 10218543
Service Bulletin/Repair Instructions
EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Mfr Comm. #:
77007
Date Added:
August 22, 2022
Manufacturer:
JEEP
Summary
2021 (JL) Jeep Wrangler 4xe RRTs/CSNs
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10218543-0001.pdf↗
August 21, 2021•Document ID: 10219975
Service Bulletin/Repair Instructions
FUEL SYSTEM, GASOLINE
Mfr Comm. #:
S2125000002RevA
Date Added:
September 15, 2022
Manufacturer:
JEEP
Summary
Customer complaint includes a Mil-on condition. Upon further investigation, one or more of the following fault codes may be set in the PCM: P0456 - EVAP System Small Leak P0455 - EVAP System Large Leak P04EC - EVAP System Large Leak - Fuel Tank Side (PHEV only) P04EE - EVAP System Very Small Leak - Fuel Tank Side (PHEV only) P0441 - EVAP Purge Flow Performance P1CEA - Boost Side EVAP Purge System Performance
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10219975-0001.pdf↗
August 21, 2021•Document ID: 10218514
Service Bulletin/Repair Instructions
FUEL SYSTEM, GASOLINE
Mfr Comm. #:
S2125000002
Date Added:
August 22, 2022
Manufacturer:
JEEP
Summary
Customer complaint includes a Mil-on condition. Upon further investigation, one or more of the following fault codes may be set in the PCM: P0456 - EVAP System Small Leak P0455 - EVAP System Large Leak P04EC - EVAP System Large Leak - Fuel Tank Side (PHEV only) P04EE - EVAP System Very Small Leak - Fuel Tank Side (PHEV only) P0441 - EVAP Purge Flow Performance P1CEA - Boost Side EVAP Purge System Performance
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10218514-0001.pdf↗
August 20, 2021•Document ID: 10218584
Service Bulletin/Repair Instructions
ENGINE AND ENGINE COOLING
Mfr Comm. #:
04-001-21
Date Added:
August 22, 2022
Manufacturer:
JEEP
Summary
Pentastar Upgrade Oil Fill Level after an Oil Change This bulletin involves rechecking the oil fill level after filling the engine to the correct specifications. The customer may describe that after an oil change they check their oil fill level and it is showing overfilled on the oil dipstick.
Associated Products (6)
2021 Chrysler Pacifica 2021 Dodge Durango 2021 Jeep Gladiator 2021 Jeep Grand Cherokee 2021 Jeep Wrangler 2021 Ram 1500
Associated Documents
- Download MC-10218584-0001.pdf↗
August 18, 2021•Document ID: 10218507
Service Bulletin/Repair Instructions
EQUIPMENT:ELECTRICAL
Mfr Comm. #:
S2108000198
Date Added:
August 22, 2022
Manufacturer:
ALFA ROMEO
Summary
Media Device Connection Guidelines For Bluetooth, Apple CarPlay, Android Auto Or USB To The Radio Head Unit
Associated Products (40)
2022 Alfa Romeo Stelvio 2022 Chrysler 300 2022 Chrysler Pacifica 2022 Chrysler Voyager 2022 Dodge Challenger 2022 Dodge Charger 2022 Dodge Durango 2022 Dodge Journey 2022 Jeep Cherokee 2022 Jeep Compass 2022 Jeep Gladiator 2022 Jeep Grand Wagoneer 2022 Jeep Renegade 2022 Jeep Wagoneer 2022 Jeep Wrangler 2022 Ram 1500 2022 Ram 2500 2022 Ram 3500 2022 Ram 4500 2022 Ram 5500+ 20 more
Associated Documents
- Download MC-10218507-0001.pdf↗
August 14, 2021•Document ID: 10218579
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE
Mfr Comm. #:
08-100-21
Date Added:
August 22, 2022
Manufacturer:
JEEP
Summary
UAQ UCQ UAV, UCX, UAX and UCV Radio Over The Air Software Version Updates This bulletin provides information regarding the latest Flash Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. Once the FOTA has been completed, the software level will be 39.6.Review the table below to determine when the FOTA is due to be release. The release time is based on the current radio?s software application level. Customers may experience one or more of the following: Intermittently, when going into reverse, the rear view camera screen is blank. Intermittently, gridlines are not on the display screen when in reverse.
Associated Products (3)
2021 Jeep Gladiator 2021 Jeep Wrangler 2021 Ram 1500
Associated Documents
- Download MC-10218579-0001.pdf↗
August 12, 2021•Document ID: 10219953
Service Bulletin/Repair Instructions
BACK OVER PREVENTION
Mfr Comm. #:
S1918000008RevC
Date Added:
September 15, 2022
Manufacturer:
JEEP
Summary
Customer?s complaint may include a MIL-on with one or more of the following DTCs (Active, Pending, or Stored) in the PCM: P0133, P0137, P0171, P0300, P2096. The root cause could be due to oil leaking from Bank 1 valve cover seal on to the 1/2 (Bank 1 downstream) O2 sensor. This can adversely affect the 1/2 O2 sensor signal reading and lead to listed DTCs. Before performing normal diagnostic routines for the above codes, check for the condition listed above.
Associated Products (2)
2021 Jeep Gladiator 2021 Jeep Wrangler
Associated Documents
- Download MC-10219953-0001.pdf↗
August 12, 2021•Document ID: 10218493
Service Bulletin/Repair Instructions
ENGINE AND ENGINE COOLING
Mfr Comm. #:
S1918000008
Date Added:
August 22, 2022
Manufacturer:
JEEP
Summary
Customer?s complaint may include a MIL-on with one or more of the following DTCs (Active, Pending, or Stored) in the PCM: P0133, P0137, P0171, P0300, P2096. The root cause could be due to oil leaking from Bank 1 valve cover seal on to the 1/2 (Bank 1 downstream) O2 sensor. This can adversely affect the 1/2 O2 sensor signal reading and lead to listed DTCs. Before performing normal diagnostic routines for the above codes, check for the condition listed above.
Associated Products (2)
2021 Jeep Gladiator 2021 Jeep Wrangler
Associated Documents
- Download MC-10218493-0001.pdf↗

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