Jeep Wrangler Service Bulletins (2021)

1,032 manufacturer communications on file.

July 2, 2021•Document ID: 10230248
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
0810021a
Date Added:
January 17, 2023
Manufacturer:
RAM
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. The national launch for the FOTA will begin June 18, 2021.Review table below to determine when FOTA is due to release based on current radio software 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-10230248-0001.pdf↗
July 2, 2021•Document ID: 10221662
Service Bulletin/Repair Instructions
EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM
Mfr Comm. #:
0810021REVB
Date Added:
September 26, 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. The national launch for the FOTA will begin June 18, 2021.Review table below to determine when FOTA is due to release based on current radio software 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-10221662-0001.pdf↗
July 1, 2021•Document ID: 10230246
Service Bulletin/Repair Instructions
ENGINE AND ENGINE COOLING
Mfr Comm. #:
0811121
Date Added:
January 17, 2023
Manufacturer:
JEEP
Summary
3.6L Check Engine Light and Rough Running Engine This bulletin involves cutting off a wiring harness eyelet and splicing in a pigtail to the engine ground harness. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P1050 - Intake Valve Control Solenoid 1 Circuit/Open. P1053 - Intake Valve Control Solenoid 2 Circuit/Open. P1056 - Intake Valve Control Solenoid 3 Circuit/Open. P1059 - Intake Valve Control Solenoid 4 Circuit/Open. P0010 - Bank 1 Camshaft 1 Position Actuator Circuit Open. P0020 - Bank 2 Camshaft 1 Position Actuator Circuit Open. P0013 - Bank 1 Camshaft 2 Position Actuator Circuit Open. P0023 - Bank 2 Camshaft 2 Position Actuator Circuit Open. In addition, the customer may notice one or more of the following conditions:The check engine light is illuminated. The engine is misfiring. A rough running engine.
Associated Products (2)
2021 Jeep Gladiator 2021 Jeep Wrangler
Associated Documents
- Download MC-10230246-0001.pdf↗
July 1, 2021•Document ID: 10230245
Service Bulletin/Repair Instructions
STEERING
Mfr Comm. #:
1900221
Date Added:
January 17, 2023
Manufacturer:
JEEP
Summary
Noise In Steering Column Tailshaft When Turning Steering Wheel This bulletin involves inspecting and replacing the steering column if necessary. The customer may notice the following: A noise coming from the tailshaft of the steering column while turning.
Associated Products (2)
2021 Jeep Gladiator 2021 Jeep Wrangler
Associated Documents
- Download MC-10230245-0001.pdf↗
July 1, 2021•Document ID: 10230174
Service Bulletin/Repair Instructions
POWER TRAIN
Mfr Comm. #:
S2108000162
Date Added:
January 17, 2023
Manufacturer:
JEEP
Summary
High Voltage Battery Installed, New Power Pack Unit/BPCM, No High Voltage Output From Hybrid Battery, No DTC?s
Associated Products (2)
2021 Chrysler Pacifica 2021 Jeep Wrangler
Associated Documents
- Download MC-10230174-0001.pdf↗
July 1, 2021•Document ID: 10221660
Service Bulletin/Repair Instructions
ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM
Mfr Comm. #:
0811121
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
3.6L Check Engine Light and Rough Running Engine This bulletin involves cutting off a wiring harness eyelet and splicing in a pigtail to the engine ground harness. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P1050 - Intake Valve Control Solenoid 1 Circuit/Open. P1053 - Intake Valve Control Solenoid 2 Circuit/Open. P1056 - Intake Valve Control Solenoid 3 Circuit/Open. P1059 - Intake Valve Control Solenoid 4 Circuit/Open. P0010 - Bank 1 Camshaft 1 Position Actuator Circuit Open. P0020 - Bank 2 Camshaft 1 Position Actuator Circuit Open. P0013 - Bank 1 Camshaft 2 Position Actuator Circuit Open. P0023 - Bank 2 Camshaft 2 Position Actuator Circuit Open. In addition, the customer may notice one or more of the following conditions:The check engine light is illuminated. The engine is misfiring. A rough running engine.
Associated Products (2)
2021 Jeep Gladiator 2021 Jeep Wrangler
Associated Documents
- Download MC-10221660-0001.pdf↗
July 1, 2021•Document ID: 10221659
Service Bulletin/Repair Instructions
STEERING
Mfr Comm. #:
1900221
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
Noise In Steering Column Tailshaft When Turning Steering Wheel This bulletin involves inspecting and replacing the steering column if necessary. The customer may notice the following: A noise coming from the tailshaft of the steering column while turning.
Associated Products (2)
2021 Jeep Gladiator 2021 Jeep Wrangler
Associated Documents
- Download MC-10221659-0001.pdf↗
July 1, 2021•Document ID: 10221588
Service Bulletin/Repair Instructions
POWER TRAIN
Mfr Comm. #:
S2108000162
Date Added:
September 26, 2022
Manufacturer:
CHRYSLER
Summary
High Voltage Battery Installed, New Power Pack Unit/BPCM, No High Voltage Output From Hybrid Battery, No DTC?s
Associated Products (2)
2021 Chrysler Pacifica 2021 Jeep Wrangler
Associated Documents
- Download MC-10221588-0001.pdf↗
June 30, 2021•Document ID: 10221355
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
0810621REVA
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
12V Battery Low Charge This bulletin involves testing and possibly replacing the 12V battery. Technicians or customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: U3007-00 - Control Module Input Power "B" Circuit/Open. C2100-00 - Battery Voltage Low. C05A4-00 - Wheel Speed Sensors Supply Circuit Low. C2129-00 - Battery Voltage. U3006-00 - Control Module Input Power "A" Circuit/Open. B2199-16 - Battery Voltage-Circuit Voltage Below Threshold. B21DD-84 - System Voltage-Signal Below Allowable Range. B2199-16 - Battery Voltage-Circuit Voltage Below Threshold. Technicians or customers may also experience one or more of the following:Depleted 12V battery at delivery to dealer. Vehicle will not start.
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10221355-0001.pdf↗
June 30, 2021•Document ID: 10221313
Service Bulletin/Repair Instructions
VISIBILITY:WINDSHIELD
Mfr Comm. #:
S2023000017RevA
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
Whistle Wind Noise From Windshield Area.
Associated Products (2)
2021 Jeep Gladiator 2021 Jeep Wrangler
Associated Documents
- Download MC-10221313-0001.pdf↗
June 30, 2021•Document ID: 10212494
Service Bulletin/Repair Instructions
WHEELS; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING
Mfr Comm. #:
0810621A
Date Added:
May 31, 2022
Manufacturer:
JEEP
Summary
12V Battery Low Charge This bulletin involves testing and possibly replacing the 12V battery. Technicians or customers may experience a Malfunction Indicator Lamp MIL illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes DTCs have been set: U3007-00 - Control Module Input Power "B" Circuit/Open. C2100-00 - Battery Voltage Low. C05A4-00 - Wheel Speed Sensors Supply Circuit Low. C2129-00 - Battery Voltage. U3006-00 - Control Module Input Power "A" Circuit/Open. B2199-16 - Battery Voltage-Circuit Voltage Below Threshold. B21DD-84 - System Voltage-Signal Below Allowable Range. B2199-16 - Battery Voltage-Circuit Voltage Below Threshold. Technicians or customers may also experience one or more of the following:Depleted 12V battery at delivery to dealer. Vehicle will not start.
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10212494-0001.pdf↗
June 30, 2021•Document ID: 10212445
Service Bulletin/Repair Instructions
SUSPENSION:FRONT:HUB; SUSPENSION:FRONT:WHEEL BEARING
Mfr Comm. #:
75745
Date Added:
May 31, 2022
Manufacturer:
RAM
Summary
HUB AND BEARING - WHEEL
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-10212445-0001.pdf↗
June 29, 2021•Document ID: 10212444
Service Bulletin/Repair Instructions
EQUIPMENT; STRUCTURE
Mfr Comm. #:
75610
Date Added:
May 31, 2022
Manufacturer:
JEEP
Summary
BASE - FLOOR CONSOLE
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-10212444-0001.pdf↗
June 26, 2021•Document ID: 10221305
Service Bulletin/Repair Instructions
BACK OVER PREVENTION
Mfr Comm. #:
S2108000157
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
Intermittently Backup Camera Does Not Display Red/Yellow/Green Gridlines Or Center Guideline
Associated Products (6)
2022 Ram 1500 2021 Jeep Gladiator 2021 Jeep Wrangler 2021 Ram 1500 2021 Ram 2500 2021 Ram 3500
Associated Documents
- Download MC-10221305-0001.pdf↗
June 26, 2021•Document ID: 10221304
Service Bulletin/Repair Instructions
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
Mfr Comm. #:
S2108000156
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
CEL (Check Engine Lamp) On, DTC Turbocharger Wastegate Control Circuit Low
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10221304-0001.pdf↗
June 26, 2021•Document ID: 10212459
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM:PROPULSION SYSTEM:FUEL CELL
Mfr Comm. #:
S2108000156
Date Added:
May 31, 2022
Manufacturer:
JEEP
Summary
CEL Check Engine Lamp On, DTC Turbocharger Wastegate Control Circuit Low
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10212459-0001.pdf↗
June 26, 2021•Document ID: 10212458
Service Bulletin/Repair Instructions
BACK OVER PREVENTION
Mfr Comm. #:
S2108000157
Date Added:
May 31, 2022
Manufacturer:
RAM
Summary
Intermittently Backup Camera Does Not Display Red/Yellow/Green Gridlines Or Center Guideline
Associated Products (6)
2022 Ram 1500 2021 Jeep Gladiator 2021 Jeep Wrangler 2021 Ram 1500 2021 Ram 2500 2021 Ram 3500
Associated Documents
- Download MC-10212458-0001.pdf↗
June 24, 2021•Document ID: 10221346
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
0810621
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
12V Battery Low Charge This bulletin involves testing and possibly replacing the 12V battery. Technicians or customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: U3007-00 - Control Module Input Power "B" Circuit/Open. C2100-00 - Battery Voltage Low. C05A4-00 - Wheel Speed Sensors Supply Circuit Low. C2129-00 - Battery Voltage. U3006-00 - Control Module Input Power "A" Circuit/Open. B2199-16 - Battery Voltage-Circuit Voltage Below Threshold. B21DD-84 - System Voltage-Signal Below Allowable Range. B2199-16 - Battery Voltage-Circuit Voltage Below Threshold. Technicians or customers may also experience one or more of the following:Depleted 12V battery at delivery to dealer. Vehicle will not start.
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10221346-0001.pdf↗
June 24, 2021•Document ID: 10221301
Service Bulletin/Repair Instructions
STEERING
Mfr Comm. #:
S2108000148
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
CAN C Bus Intermittently Loses Communication. Power Steering Becomes Stiff
Associated Products (2)
2021 Jeep Gladiator 2021 Jeep Wrangler
Associated Documents
- Download MC-10221301-0001.pdf↗
June 24, 2021•Document ID: 10212493
Service Bulletin/Repair Instructions
SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM; EQUIPMENT
Mfr Comm. #:
0810621
Date Added:
May 31, 2022
Manufacturer:
JEEP
Summary
12V Battery Low Charge This bulletin involves testing and possibly replacing the 12V battery. Technicians or customers may experience a Malfunction Indicator Lamp MIL illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes DTCs have been set: U3007-00 - Control Module Input Power "B" Circuit/Open. C2100-00 - Battery Voltage Low. C05A4-00 - Wheel Speed Sensors Supply Circuit Low. C2129-00 - Battery Voltage. U3006-00 - Control Module Input Power "A" Circuit/Open. B2199-16 - Battery Voltage-Circuit Voltage Below Threshold. B21DD-84 - System Voltage-Signal Below Allowable Range. B2199-16 - Battery Voltage-Circuit Voltage Below Threshold. Technicians or customers may also experience one or more of the following:Depleted 12V battery at delivery to dealer. Vehicle will not start.
Associated Products (1)
2021 Jeep Wrangler
Associated Documents
- Download MC-10212493-0001.pdf↗

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