Jeep Wrangler Service Bulletins (2020)

1,021 manufacturer communications on file.

February 13, 2021•Document ID: 10188752
Service Bulletin/Repair Instructions
EQUIPMENT:ELECTRICAL
Mfr Comm. #:
S2108000045
Date Added:
March 15, 2021
Manufacturer:
JEEP
Summary
Favorite Song On-Air Alert List Empty
Associated Products (55)
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 2020 Chrysler 300 2020 Chrysler Pacifica 2020 Dodge Challenger 2020 Dodge Charger 2020 Dodge Durango 2020 Jeep Cherokee 2020 Jeep Compass+ 35 more
Associated Documents
- Download MC-10188752-0001.pdf↗
February 5, 2021•Document ID: 10220526
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM; STEERING; AIR BAGS; POWER TRAIN
Mfr Comm. #:
S2019000005RevA
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
U0131 Lost Communication With Power Steering Control Module A DTC Active. EPS Light On.
Associated Products (6)
2021 Jeep Gladiator 2021 Jeep Wrangler 2020 Jeep Gladiator 2020 Jeep Wrangler 2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10220526-0001.pdf↗
February 5, 2021•Document ID: 10220516
Service Bulletin/Repair Instructions
BACK OVER PREVENTION; STEERING
Mfr Comm. #:
S2119000001RevA
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
Click Pop Creak Noise While Turning Steering Wheel
Associated Products (6)
2021 Jeep Gladiator 2021 Jeep Wrangler 2021 Ram 1500 2020 Jeep Gladiator 2020 Jeep Wrangler 2020 Ram 1500
Associated Documents
- Download MC-10220516-0001.pdf↗
February 5, 2021•Document ID: 10188730
Service Bulletin/Repair Instructions
EQUIPMENT; STEERING; ELECTRICAL SYSTEM
Mfr Comm. #:
S2019000005 Rev.
Date Added:
March 15, 2021
Manufacturer:
JEEP
Summary
U0131 Lost Communication With Power Steering Control Module A DTC Active. EPS Light On.
Associated Products (6)
2021 Jeep Gladiator 2021 Jeep Wrangler 2020 Jeep Gladiator 2020 Jeep Wrangler 2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10188730-0001.pdf↗
February 5, 2021•Document ID: 10188720
Service Bulletin/Repair Instructions
EQUIPMENT; STEERING
Mfr Comm. #:
S2119000001 Rev.
Date Added:
March 15, 2021
Manufacturer:
JEEP
Summary
Click Pop Creak Noise While Turning Steering Wheel
Associated Products (6)
2021 Jeep Gladiator 2021 Jeep Wrangler 2021 Ram 1500 2020 Jeep Gladiator 2020 Jeep Wrangler 2020 Ram 1500
Associated Documents
- Download MC-10188720-0001.pdf↗
February 3, 2021•Document ID: 10220512
Service Bulletin/Repair Instructions
VEHICLE SPEED CONTROL
Mfr Comm. #:
S2114000001
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
Humming/Buzzing Noise From Under The Hood With The Key Off.
Associated Products (5)
2021 Jeep Gladiator 2021 Jeep Wrangler 2021 Ram 1500 2020 Jeep Wrangler 2020 Ram 1500
Associated Documents
- Download MC-10220512-0001.pdf↗
February 3, 2021•Document ID: 10188716
Service Bulletin/Repair Instructions
ENGINE AND ENGINE COOLING; EQUIPMENT
Mfr Comm. #:
S2114000001
Date Added:
March 15, 2021
Manufacturer:
JEEP
Summary
Humming/Buzzing Noise From Under The Hood With The Key Off.
Associated Products (5)
2021 Jeep Gladiator 2021 Jeep Wrangler 2021 Ram 1500 2020 Jeep Wrangler 2020 Ram 1500
Associated Documents
- Download MC-10188716-0001.pdf↗
January 30, 2021•Document ID: 10215966
Service Bulletin/Repair Instructions
EXTERIOR LIGHTING; STRUCTURE; BACK OVER PREVENTION; TRAILER HITCHES; SEAT BELTS; LANE DEPARTURE; ELECTRICAL SYSTEM
Mfr Comm. #:
08-019-21
Date Added:
July 18, 2022
Manufacturer:
JEEP
Summary
Flash: Anti-Lock Brake System (ABS) Module Updates This bulletin involves reprogramming the ABS module with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one of the following Diagnostic Trouble Code (DTC) has been set: B1783-01 - Stop Lamp Control - General Electrical Failure. The customer may also comment or note that the DTC set after the installation of a Mopar or an aftermarket trailer brake controller.The 12 volt back feed of the aftermarket trailer brake controller into the redundant connection between the Body Control Module (BCM) and the Anti Lock Brake Module (ABS) is causing a design intent diagnostic detection of the stop lamps.Software enhancement includes:Removal of the warning lamp associated with this DTC so an aftermarket trailer brake controller can be used.
Associated Products (1)
2020 Jeep Wrangler
Associated Documents
- Download MC-10215966-0001.pdf↗
January 30, 2021•Document ID: 10187145
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM; BACK OVER PREVENTION; SEAT BELTS; LANE DEPARTURE; TRAILER HITCHES; STRUCTURE; EXTERIOR LIGHTING
Mfr Comm. #:
08-019-21
Date Added:
February 16, 2021
Manufacturer:
JEEP
Summary
Flash: Anti-Lock Brake System (ABS) Module Updates This bulletin involves reprogramming the ABS module with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one of the following Diagnostic Trouble Code (DTC) has been set: B1783-01 - Stop Lamp Control - General Electrical Failure. The customer may also comment or note that the DTC set after the installation of a Mopar or an aftermarket trailer brake controller.The 12 volt back feed of the aftermarket trailer brake controller into the redundant connection between the Body Control Module (BCM) and the Anti Lock Brake Module (ABS) is causing a design intent diagnostic detection of the stop lamps.Software enhancement includes:Removal of the warning lamp associated with this DTC so an aftermarket trailer brake controller can be used.
Associated Products (1)
2020 Jeep Wrangler
Associated Documents
- Download MC-10187145-0001.pdf↗
January 29, 2021•Document ID: 10215959
Service Bulletin/Repair Instructions
BACK OVER PREVENTION:DISPLAY FUNCTION
Mfr Comm. #:
08-015-21
Date Added:
July 18, 2022
Manufacturer:
JEEP
Summary
Radio Enhancements This bulletin involves updating the radio software level to 1848.34. Customers may experience one or more of the following:Radio display screen flickers. Radio resets with RPM less than 1000 RPM (DT and JL with 3.0L Diesel). Clock loses 6 seconds per day (JL with 5 inch screen). Ghost Touch, features, modes and App?s changing without drivers input. Bluetooth pop noise. Pop message ?SXM Wait? displayed for extended period of time. The radio resets.
Associated Products (12)
2020 Chrysler Pacifica 2020 Dodge Challenger 2020 Dodge Charger 2020 Dodge Durango 2020 Jeep Cherokee 2020 Jeep Gladiator 2020 Jeep Grand Cherokee 2020 Jeep Wrangler 2020 Ram 1500 2020 Ram 2500 2020 Ram 3500 2020 Ram 4500
Associated Documents
- Download MC-10215959-0001.pdf↗
January 29, 2021•Document ID: 10187138
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
08-015-21
Date Added:
February 16, 2021
Manufacturer:
DODGE
Summary
Radio Enhancements This bulletin involves updating the radio software level to 1848.34. Customers may experience one or more of the following:Radio display screen flickers. Radio resets with RPM less than 1000 RPM (DT and JL with 3.0L Diesel). Clock loses 6 seconds per day (JL with 5 inch screen). Ghost Touch, features, modes and App?s changing without drivers input. Bluetooth pop noise. Pop message ?SXM Wait? displayed for extended period of time. The radio resets.
Associated Products (12)
2020 Chrysler Pacifica 2020 Dodge Challenger 2020 Dodge Charger 2020 Dodge Durango 2020 Jeep Cherokee 2020 Jeep Gladiator 2020 Jeep Grand Cherokee 2020 Jeep Wrangler 2020 Ram 1500 2020 Ram 2500 2020 Ram 3500 2020 Ram 4500
Associated Documents
- Download MC-10187138-0001.pdf↗
January 28, 2021•Document ID: 10215905
Service Bulletin/Repair Instructions
BACK OVER PREVENTION
Mfr Comm. #:
S2108000025 Rev.
Date Added:
July 18, 2022
Manufacturer:
RAM
Summary
CEL Check Engine Lamp On, DTC P0158 O2 Sensor 2/2 Circuit High
Associated Products (5)
2021 Ram 1500 2020 Jeep Wrangler 2020 Ram 1500 2019 Jeep Wrangler 2019 Ram 1500
Associated Documents
- Download MC-10215905-0001.pdf↗
January 28, 2021•Document ID: 10187084
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
S2108000025 Rev.
Date Added:
February 16, 2021
Manufacturer:
RAM
Summary
CEL Check Engine Lamp On, DTC P0158 O2 Sensor 2/2 Circuit High
Associated Products (5)
2021 Ram 1500 2020 Jeep Wrangler 2020 Ram 1500 2019 Jeep Wrangler 2019 Ram 1500
Associated Documents
- Download MC-10187084-0001.pdf↗
January 26, 2021•Document ID: 10215900
Service Bulletin/Repair Instructions
WHEELS
Mfr Comm. #:
S2123000004
Date Added:
July 18, 2022
Manufacturer:
JEEP
Summary
Front Wheel Well Liner Contacting Tire And Or Loose
Associated Products (4)
2021 Jeep Wrangler 2020 Jeep Wrangler 2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10215900-0001.pdf↗
January 26, 2021•Document ID: 10187079
Service Bulletin/Repair Instructions
WHEELS
Mfr Comm. #:
S2123000004
Date Added:
February 16, 2021
Manufacturer:
JEEP
Summary
Front Wheel Well Liner Contacting Tire And Or Loose
Associated Products (4)
2021 Jeep Wrangler 2020 Jeep Wrangler 2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10187079-0001.pdf↗
January 25, 2021•Document ID: 10215899
Service Bulletin/Repair Instructions
TRAILER HITCHES
Mfr Comm. #:
S2023000041 Rev.
Date Added:
July 18, 2022
Manufacturer:
JEEP
Summary
MOPAR Trailer Brake Accessory Kit And Instructions
Associated Products (5)
2021 Jeep Gladiator 2021 Jeep Wrangler 2020 Jeep Gladiator 2020 Jeep Wrangler 2019 Jeep Wrangler
Associated Documents
- Download MC-10215899-0001.pdf↗
January 25, 2021•Document ID: 10187078
Service Bulletin/Repair Instructions
TRAILER HITCHES
Mfr Comm. #:
S2023000041 Rev.
Date Added:
February 16, 2021
Manufacturer:
JEEP
Summary
MOPAR Trailer Brake Accessory Kit And Instructions
Associated Products (5)
2021 Jeep Gladiator 2021 Jeep Wrangler 2020 Jeep Gladiator 2020 Jeep Wrangler 2019 Jeep Wrangler
Associated Documents
- Download MC-10187078-0001.pdf↗
January 22, 2021•Document ID: 10215898
Service Bulletin/Repair Instructions
AIR BAGS; BACK OVER PREVENTION
Mfr Comm. #:
S2108000023
Date Added:
July 18, 2022
Manufacturer:
JEEP
Summary
Blind Spot Sensor Light Operate Sporadically And Indicates False Detection Without Any DTC
Associated Products (4)
2021 Jeep Gladiator 2021 Jeep Wrangler 2020 Jeep Gladiator 2020 Jeep Wrangler
Associated Documents
- Download MC-10215898-0001.pdf↗
January 22, 2021•Document ID: 10187077
Service Bulletin/Repair Instructions
LANE DEPARTURE: BLIND SPOT DETECTION
Mfr Comm. #:
S2108000023
Date Added:
February 16, 2021
Manufacturer:
JEEP
Summary
Blind Spot Sensor Light Operate Sporadically And Indicates False Detection Without Any DTC
Associated Products (4)
2021 Jeep Gladiator 2021 Jeep Wrangler 2020 Jeep Gladiator 2020 Jeep Wrangler
Associated Documents
- Download MC-10187077-0001.pdf↗
January 21, 2021•Document ID: 10215895
Service Bulletin/Repair Instructions
EXTERIOR LIGHTING
Mfr Comm. #:
S2018000001 Rev.
Date Added:
July 18, 2022
Manufacturer:
RAM
Summary
Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P26FB ? EGR Cooler Bypass Control Stuck Closed Bank 1 Set.
Associated Products (2)
2020 Jeep Wrangler 2020 Ram 1500
Associated Documents
- Download MC-10215895-0001.pdf↗

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