Jeep Wrangler Service Bulletins (2020)

1,021 manufacturer communications on file.

August 12, 2020•Document ID: 10221819
Service Bulletin/Repair Instructions
ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); EXTERIOR LIGHTING; SERVICE BRAKES, HYDRAULIC; FUEL SYSTEM, GASOLINE
Mfr Comm. #:
S1925000008RevA
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
(Revision A) Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P20E8 ? Reductant Pressure Too Low and/or P208B ? Reductant Pump 1 Control Performance Set.
Associated Products (8)
2021 Jeep Wrangler 2020 Jeep Wrangler 2020 Ram 1500 2019 Ram 1500 2018 Jeep Grand Cherokee 2018 Ram 1500 2017 Jeep Grand Cherokee 2017 Ram 1500
Associated Documents
- Download MC-10221819-0001.pdf↗
August 12, 2020•Document ID: 10180209
Service Bulletin/Repair Instructions
ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP; EXTERIOR LIGHTING
Mfr Comm. #:
S1925000008 Rev.
Date Added:
September 28, 2020
Manufacturer:
JEEP
Summary
(Revision A) Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P20E8 ? Reductant Pressure Too Low and/or P208B ? Reductant Pump 1 Control Performance Set.
Associated Products (8)
2021 Jeep Wrangler 2020 Jeep Wrangler 2020 Ram 1500 2019 Ram 1500 2018 Jeep Grand Cherokee 2018 Ram 1500 2017 Jeep Grand Cherokee 2017 Ram 1500
Associated Documents
- Download MC-10180209-0001.pdf↗
August 10, 2020•Document ID: 10221868
Service Bulletin/Repair Instructions
STEERING
Mfr Comm. #:
0807420
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, if required. The customer may describe one or more of the following:Steering wander. Vehicle has a lead/pull to the right or left.The lead/pull will be more noticeable in hot ambient temperatures. Steering feels like it has excess play.This service bulletin repair will NOT correct a sustain steering shake, shimmy or vibration. If this repair is performed on a vehicle with those symptoms, that will cause a dissatisfied customer and a repeat visit to the dealer.
Associated Products (4)
2020 Jeep Gladiator 2020 Jeep Wrangler 2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10221868-0001.pdf↗
August 10, 2020•Document ID: 10180258
Service Bulletin/Repair Instructions
STEERING; POWER TRAIN
Mfr Comm. #:
08-074-20
Date Added:
September 28, 2020
Manufacturer:
JEEP
Summary
Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, if required. The customer may describe one or more of the following:Steering wander. Vehicle has a lead/pull to the right or left.The lead/pull will be more noticeable in hot ambient temperatures. Steering feels like it has excess play.This service bulletin repair will NOT correct a sustain steering shake, shimmy or vibration. If this repair is performed on a vehicle with those symptoms, that will cause a dissatisfied customer and a repeat visit to the dealer.
Associated Products (4)
2020 Jeep Gladiator 2020 Jeep Wrangler 2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10180258-0001.pdf↗
August 5, 2020•Document ID: 10221780
Service Bulletin/Repair Instructions
POWER TRAIN; ENGINE AND ENGINE COOLING
Mfr Comm. #:
9004282
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
PAN AND FILTER, Transmission Oil / GASKET, Oil Pan Prior to replacing the transmission oil pan or replacing the oil pan gasket for a leak in the oil pan area, please contact FCA Redacted Content. The CST will review root causing steps and suggest if the part is required to be returned back to FCA.
Associated Products (2)
2020 Jeep Gladiator 2020 Jeep Wrangler
Associated Documents
- Download MC-10221780-0001.pdf↗
August 5, 2020•Document ID: 10180170
Service Bulletin/Repair Instructions
POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT; EQUIPMENT ADAPTIVE/MOBILITY
Mfr Comm. #:
9004282
Date Added:
September 28, 2020
Manufacturer:
JEEP
Summary
PAN AND FILTER, Transmission Oil / GASKET, Oil Pan Prior to replacing the transmission oil pan or replacing the oil pan gasket for a leak in the oil pan area, please contact FCA Redacted Content. The CST will review root causing steps and suggest if the part is required to be returned back to FCA.
Associated Products (2)
2020 Jeep Gladiator 2020 Jeep Wrangler
Associated Documents
- Download MC-10180170-0001.pdf↗
August 1, 2020•Document ID: 10221859
Service Bulletin/Repair Instructions
POWER TRAIN
Mfr Comm. #:
1805720
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may comment on one or more of the following:Abnormal Engine noise heard periodically. This noise is caused by Variable Valve Timing (VVT) cleaning cycle. A misfire condition with no Malfunction Indicator Lamp (MIL) illumination or Diagnostic Trouble Codes (DTCs) set. In addition, the following software enhancements are available:Updates to include misfire DTCs.
Associated Products (1)
2020 Jeep Wrangler
Associated Documents
- Download MC-10221859-0001.pdf↗
August 1, 2020•Document ID: 10221813
Service Bulletin/Repair Instructions
UNKNOWN OR OTHER; ELECTRICAL SYSTEM:IGNITION
Mfr Comm. #:
S2008000113
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle
Associated Products (128)
2020 Alfa Romeo Stelvio 2020 Chrysler 300 2020 Dodge Challenger 2020 Dodge Charger 2020 Dodge Durango 2020 Dodge Journey 2020 Jeep Cherokee 2020 Jeep Gladiator 2020 Jeep Grand Cherokee 2020 Jeep Renegade 2020 Jeep Wrangler 2020 Ram 1500 2020 Ram 2500 2020 Ram 3500 2020 Ram 4500 2019 Alfa Romeo Stelvio 2019 Chrysler 300 2019 Dodge Challenger 2019 Dodge Charger 2019 Dodge Durango+ 108 more
Associated Documents
- Download MC-10221813-0001.pdf↗
August 1, 2020•Document ID: 10180249
Service Bulletin/Repair Instructions
ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM
Mfr Comm. #:
18-057-20
Date Added:
September 28, 2020
Manufacturer:
JEEP
Summary
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may comment on one or more of the following:Abnormal Engine noise heard periodically. This noise is caused by Variable Valve Timing (VVT) cleaning cycle. A misfire condition with no Malfunction Indicator Lamp (MIL) illumination or Diagnostic Trouble Codes (DTCs) set. In addition, the following software enhancements are available:Updates to include misfire DTCs.
Associated Products (1)
2020 Jeep Wrangler
Associated Documents
- Download MC-10180249-0001.pdf↗
August 1, 2020•Document ID: 10180203
Service Bulletin/Repair Instructions
ENGINE; ELECTRICAL SYSTEM
Mfr Comm. #:
S2008000113
Date Added:
September 28, 2020
Manufacturer:
DODGE
Summary
No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle
Associated Products (128)
2020 Alfa Romeo Stelvio 2020 Chrysler 300 2020 Dodge Challenger 2020 Dodge Charger 2020 Dodge Durango 2020 Dodge Journey 2020 Jeep Cherokee 2020 Jeep Gladiator 2020 Jeep Grand Cherokee 2020 Jeep Renegade 2020 Jeep Wrangler 2020 Ram 1500 2020 Ram 2500 2020 Ram 3500 2020 Ram 4500 2019 Alfa Romeo Stelvio 2019 Chrysler 300 2019 Dodge Challenger 2019 Dodge Charger 2019 Dodge Durango+ 108 more
Associated Documents
- Download MC-10180203-0001.pdf↗
July 31, 2020•Document ID: 10229311
Service Bulletin/Repair Instructions
BACK OVER PREVENTION:DISPLAY FUNCTION; STRUCTURE:INTERIOR PANELS:DASHBOARD
Mfr Comm. #:
S2008000112
Date Added:
January 9, 2023
Manufacturer:
JEEP
Summary
MIL Lamp On Setting DTC?s P0441, P0456, P0457, P0440
Associated Products (2)
2020 Jeep Wrangler 2019 Jeep Wrangler
Associated Documents
- Download MC-10229311-0001.pdf↗
July 31, 2020•Document ID: 10221741
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
S2008000112
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
MIL Lamp On Setting DTC?s P0441, P0456, P0457, P0440
Associated Products (2)
2020 Jeep Wrangler 2019 Jeep Wrangler
Associated Documents
- Download MC-10221741-0001.pdf↗
July 31, 2020•Document ID: 10178668
Service Bulletin/Repair Instructions
ENGINE AND ENGINE COOLING
Mfr Comm. #:
S2008000112
Date Added:
August 24, 2020
Manufacturer:
JEEP
Summary
MIL Lamp On Setting DTC?s P0441, P0456, P0457, P0440
Associated Products (2)
2020 Jeep Wrangler 2019 Jeep Wrangler
Associated Documents
- Download MC-10178668-0001.pdf↗
July 17, 2020•Document ID: 10229300
Service Bulletin/Repair Instructions
VISIBILITY; LANE DEPARTURE; VEHICLE SPEED CONTROL
Mfr Comm. #:
S1808000284
Date Added:
January 9, 2023
Manufacturer:
JEEP
Summary
Power Mirrors And Door Locks Do Not Function. Blind Spot Alert Temporarily Unavailable Is Displayed On The EVIC
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-10229300-0001.pdf↗
July 17, 2020•Document ID: 10221730
Service Bulletin/Repair Instructions
VISIBILITY; BACK OVER PREVENTION
Mfr Comm. #:
S1808000284
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
Power Mirrors And Door Locks Do Not Function. Blind Spot Alert Temporarily Unavailable Is Displayed On The EVIC
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-10221730-0001.pdf↗
July 17, 2020•Document ID: 10178657
Service Bulletin/Repair Instructions
LANE DEPARTURE: BLIND SPOT DETECTION; VISIBILITY
Mfr Comm. #:
S1808000284
Date Added:
August 24, 2020
Manufacturer:
JEEP
Summary
Power Mirrors And Door Locks Do Not Function. Blind Spot Alert Temporarily Unavailable Is Displayed On The EVIC
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-10178657-0001.pdf↗
July 15, 2020•Document ID: 10229293
Service Bulletin/Repair Instructions
EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)
Mfr Comm. #:
S2008000094
Date Added:
January 9, 2023
Manufacturer:
JEEP
Summary
Uconnect Market Place APP Fatal Error Message
Associated Products (26)
2020 Chrysler 300 2020 Chrysler Pacifica 2020 Dodge Challenger 2020 Dodge Charger 2020 Dodge Durango 2020 Jeep Cherokee 2020 Jeep Compass 2020 Jeep Gladiator 2020 Jeep Grand Cherokee 2020 Jeep Renegade 2020 Jeep Wrangler 2020 Ram 1500 2020 Ram 2500 2020 Ram 3500 2020 Ram 4500 2020 Ram 5500 2019 Chrysler 300 2019 Chrysler Pacifica 2019 Dodge Challenger 2019 Dodge Charger+ 6 more
Associated Documents
- Download MC-10229293-0001.pdf↗
July 15, 2020•Document ID: 10229253
Service Bulletin/Repair Instructions
SUSPENSION:FRONT:HUB; POWER TRAIN:AXLE HUBS
Mfr Comm. #:
9004272
Date Added:
January 9, 2023
Manufacturer:
JEEP
Summary
RECEIVER, Hub (RF Hub) For reports of vehicle unable to key on or instances of RFHM shows as unresponsive in WiTech topology diagnostically, please contact FCA Redacted Content prior to replacing this part. If no response in 15 minutes, proceed with repair.
Associated Products (1)
2020 Jeep Wrangler
Associated Documents
- Download MC-10229253-0001.pdf↗
July 15, 2020•Document ID: 10221723
Service Bulletin/Repair Instructions
EQUIPMENT:ELECTRICAL
Mfr Comm. #:
S2008000094
Date Added:
September 26, 2022
Manufacturer:
DODGE
Summary
Uconnect Market Place APP Fatal Error Message
Associated Products (26)
2020 Chrysler 300 2020 Chrysler Pacifica 2020 Dodge Challenger 2020 Dodge Charger 2020 Dodge Durango 2020 Jeep Cherokee 2020 Jeep Compass 2020 Jeep Gladiator 2020 Jeep Grand Cherokee 2020 Jeep Renegade 2020 Jeep Wrangler 2020 Ram 1500 2020 Ram 2500 2020 Ram 3500 2020 Ram 4500 2020 Ram 5500 2019 Chrysler 300 2019 Chrysler Pacifica 2019 Dodge Challenger 2019 Dodge Charger+ 6 more
Associated Documents
- Download MC-10221723-0001.pdf↗
July 15, 2020•Document ID: 10221683
Service Bulletin/Repair Instructions
STRUCTURE
Mfr Comm. #:
9004272
Date Added:
September 26, 2022
Manufacturer:
JEEP
Summary
RECEIVER, Hub (RF Hub) For reports of vehicle unable to key on or instances of RFHM shows as unresponsive in WiTech topology diagnostically, please contact FCA Redacted Content prior to replacing this part. If no response in 15 minutes, proceed with repair.
Associated Products (1)
2020 Jeep Wrangler
Associated Documents
- Download MC-10221683-0001.pdf↗

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