Jeep Wrangler Service Bulletins (2021)

1,032 manufacturer communications on file.

March 26, 2021•Document ID: 10220911
Service Bulletin/Repair Instructions
EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
Mfr Comm. #:
S2108000080
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
Radio Replacement Reset Routine, Radio Has Missing Icons Or Are Grayed Out
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-10220911-0001.pdf↗
March 26, 2021•Document ID: 10190732
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM; EXTERIOR LIGHTING; POWER TRAIN
Mfr Comm. #:
21-012-21
Date Added:
April 26, 2021
Manufacturer:
JEEP
Summary
Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience the following on a vehicle with less than 64 km (40 miles) on the odometer:A Malfunction Indicator Lamp (MIL) event or failure withnoDiagnostic Trouble Codes (DTCs) and the vehicle has less than 40 miles on the odometer indicates it is likely the vehicle has experienced an unintentional code clear event. Do not use this software update if vehicle odometer has over 64 km (40 miles).
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10190732-0001.pdf↗
March 26, 2021•Document ID: 10190724
Service Bulletin/Repair Instructions
SERVICE BRAKES; FUEL SYSTEM, DIESEL; BACK OVER PREVENTION; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING
Mfr Comm. #:
18-029-21
Date Added:
April 26, 2021
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, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0524 - Low oil pressure (during start up in cold ambient temps). P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Control. P02E8-00 - Diesel Intake Air Flow Position Sensor Circuit Low. P20FB-00 -Reductant Pump 2 Control Performance. P065A-00 - Generator System Performance. Customers may experience the following: The cruise control and speed limited set speed doesn?t match the speedometer. It could be up to 2.5 kph (1.5 mph) difference. Other Software enhancements:Speedometer accuracy improvement(s). Cruise control updates. Battery durability improvements in hot ambient temperatures.
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10190724-0001.pdf↗
March 26, 2021•Document ID: 10190658
Service Bulletin/Repair Instructions
EQUIPMENT
Mfr Comm. #:
S2108000080
Date Added:
April 26, 2021
Manufacturer:
RAM
Summary
Radio Replacement Reset Routine, Radio Has Missing Icons Or Are Grayed Out
Associated Products (13)
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
Associated Documents
- Download MC-10190658-0001.pdf↗
March 24, 2021•Document ID: 10220905
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
S2108000074
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
Wiring Harness Contacts Drivers Catalytic Converter. Check Engine Light (CEL), Anti-Lock Brake System (ABS), Traction Control System (TCS), Service 4WD Lamp On
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10220905-0001.pdf↗
March 24, 2021•Document ID: 10190652
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
S2108000074
Date Added:
April 26, 2021
Manufacturer:
JEEP
Summary
Wiring Harness Contacts Drivers Catalytic Converter. Check Engine Light (CEL), Anti-Lock Brake System (ABS), Traction Control System (TCS), Service 4WD Lamp On
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10190652-0001.pdf↗
March 22, 2021•Document ID: 10220903
Service Bulletin/Repair Instructions
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
Mfr Comm. #:
S1924000008RevA
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
Front Defrost Only Clears Part Of The Windshield
Associated Products (2)
2021 Jeep Gladiator 2021 Jeep Wrangler
Associated Documents
- Download MC-10220903-0001.pdf↗
March 22, 2021•Document ID: 10190650
Service Bulletin/Repair Instructions
VISIBILITY
Mfr Comm. #:
S1924000008 Rev.
Date Added:
April 26, 2021
Manufacturer:
JEEP
Summary
Front Defrost Only Clears Part Of The Windshield
Associated Products (2)
2021 Jeep Gladiator 2021 Jeep Wrangler
Associated Documents
- Download MC-10190650-0001.pdf↗
March 20, 2021•Document ID: 10220965
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM; POWER TRAIN
Mfr Comm. #:
2101021
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience the following on a vehicle with less than 64 km (40 miles) on the odometer:A Malfunction Indicator Lamp (MIL) event or failure withnoDiagnostic Trouble Codes (DTCs) and the vehicle has less than 40 miles on the odometer indicates it is likely the vehicle has experienced an unintentional code clear event.Do not use this software update if vehicle odometer has over 64 km (40 miles).
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10220965-0001.pdf↗
March 20, 2021•Document ID: 10220900
Service Bulletin/Repair Instructions
BACK OVER PREVENTION; ELECTRICAL SYSTEM
Mfr Comm. #:
S1908000092ReVA
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
Reverse Camera System Unavailable And Blue Screen Showing On Radio Display
Associated Products (2)
2021 Jeep Gladiator 2021 Jeep Wrangler
Associated Documents
- Download MC-10220900-0001.pdf↗
March 20, 2021•Document ID: 10190712
Service Bulletin/Repair Instructions
EXTERIOR LIGHTING; POWER TRAIN; ELECTRICAL SYSTEM
Mfr Comm. #:
21-010-21
Date Added:
April 26, 2021
Manufacturer:
JEEP
Summary
Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience the following on a vehicle with less than 64 km (40 miles) on the odometer:A Malfunction Indicator Lamp (MIL) event or failure withnoDiagnostic Trouble Codes (DTCs) and the vehicle has less than 40 miles on the odometer indicates it is likely the vehicle has experienced an unintentional code clear event.Do not use this software update if vehicle odometer has over 64 km (40 miles).
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10190712-0001.pdf↗
March 20, 2021•Document ID: 10190647
Service Bulletin/Repair Instructions
BACK OVER PREVENTION
Mfr Comm. #:
S1908000092 Rev.
Date Added:
April 26, 2021
Manufacturer:
JEEP
Summary
Reverse Camera System Unavailable And Blue Screen Showing On Radio Display
Associated Products (2)
2021 Jeep Gladiator 2021 Jeep Wrangler
Associated Documents
- Download MC-10190647-0001.pdf↗
March 19, 2021•Document ID: 10220898
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM; EQUIPMENT
Mfr Comm. #:
S2108000057RevA
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
The EVIC Splash Screen Does Not Display The Rubicon Logo On Vehicles Equipped With The Rubicon Recon 28Y Package
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10220898-0001.pdf↗
March 19, 2021•Document ID: 10190645
Service Bulletin/Repair Instructions
EQUIPMENT
Mfr Comm. #:
S2108000057 Rev.
Date Added:
April 26, 2021
Manufacturer:
JEEP
Summary
The EVIC Splash Screen Does Not Display The Rubicon Logo On Vehicles Equipped With The Rubicon Recon 28Y Package
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10190645-0001.pdf↗
March 16, 2021•Document ID: 10220891
Service Bulletin/Repair Instructions
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER
Mfr Comm. #:
S2124000004
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
A/C does not cool and vehicle is low on Freon charge but no leak is found with sniffer or black light anywhere in the system
Associated Products (20)
2021 Alfa Romeo Stelvio 2021 Chrysler 300 2021 Chrysler Pacifica 2021 Chrysler Voyager 2021 Dodge Challenger 2021 Dodge Charger 2021 Dodge Durango 2021 Fiat 500X 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 2021 Ram Promaster City
Associated Documents
- Download MC-10220891-0001.pdf↗
March 15, 2021•Document ID: 10220882
Service Bulletin/Repair Instructions
POWER TRAIN
Mfr Comm. #:
S2003000001ReVD
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
Noise From Front Axle Area Over Bumps
Associated Products (2)
2021 Jeep Gladiator 2021 Jeep Wrangler
Associated Documents
- Download MC-10220882-0001.pdf↗
March 15, 2021•Document ID: 10190629
Service Bulletin/Repair Instructions
SUSPENSION
Mfr Comm. #:
S2003000001 Rev.
Date Added:
April 26, 2021
Manufacturer:
JEEP
Summary
Noise From Front Axle Area Over Bumps
Associated Products (2)
2021 Jeep Gladiator 2021 Jeep Wrangler
Associated Documents
- Download MC-10190629-0001.pdf↗
March 11, 2021•Document ID: 10220879
Service Bulletin/Repair Instructions
EQUIPMENT; TIRES
Mfr Comm. #:
S1821000005RevA
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
Required Updates When Changing Tire Sizes, Installing Mopar Lift Kits With Larger Tires, Manual Transmission Vehicles Setting DTC P08A6
Associated Products (2)
2021 Jeep Gladiator 2021 Jeep Wrangler
Associated Documents
- Download MC-10220879-0001.pdf↗
March 11, 2021•Document ID: 10190626
Service Bulletin/Repair Instructions
POWER TRAIN
Mfr Comm. #:
S1821000005 Rev.
Date Added:
April 26, 2021
Manufacturer:
JEEP
Summary
Required Updates When Changing Tire Sizes, Installing Mopar Lift Kits With Larger Tires, Manual Transmission Vehicles Setting DTC P08A6
Associated Products (2)
2021 Jeep Gladiator 2021 Jeep Wrangler
Associated Documents
- Download MC-10190626-0001.pdf↗
March 9, 2021•Document ID: 10220950
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
0803421
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
Flash: Body Control Module (BCM) Updates This bulletin involves reprogramming the BCM with the latest available software. Customer will notice that the rear wiper blade will not return to the park position when the wiper are turned off.
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10220950-0001.pdf↗

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