2020 Jeep WranglerService bulletins
2020 Jeep Wrangler Technical Service Bulletins
1,020 technical service bulletins (TSBs) are on record for the 2020 Jeep Wrangler. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.
- 10175688Apr 28, 2020Equipment. Error Code 20 Message On the Radio Screen
- 10175681Apr 24, 2020Electrical system. Intermittently A No Crank No Start Condition Exists
- 10175680Apr 23, 2020Equipment. Phone Contacts Will Not Load
- 10175735Apr 22, 2020Equipment, Electrical system. Charging System, Battery Diagnostic Tools and Warranty This information only bulletin discusses using the correct test equipment for testing batteries and charging systems, and also warranty reimbursement when battery replacements are necessary.
- 10175733Apr 21, 2020Fuel system. Possible Driveability Issues due to the Winter-Blend Fuel into the Warmer Season
- 10175674Apr 17, 2020Steering. Hands On Steering Wheel Message In EVIC
- 10175725Apr 9, 2020Engine cooling. Water Pump Inlet Tube Fastener Torque This bulletin involves checking the torque on the water pump inlet tube fasteners to possibly eliminate coolant leak at this location. The customer may describe either a coolant leak or the coolant level is low.
- 10175666Apr 9, 2020Visibility (wipers, defrost, mirrors). Customer Indicates Vehicle Has Poor Air Flow Through Demister (Side) Dash Vents
- 10175662Apr 8, 2020Electrical system. Apps Or Icons Grayed Out
- 10175616Apr 8, 2020Seats, Vehicle speed control. FRAME, Rear Seat Back, And Cushion Assembly For all 2-door vehicles, if rear seat exhibits one of the following conditions, please call FCA redacted Content prior to repair. Rear Seat Does Not Fold Cannot Remove Seat Seat Cables Stretched/Broken Seat Latch Seized Rear Seat release not working If no answer, please leave a message with dealer contact and VIN information. If no response in 15 minutes, proceed with…
- 10175657Apr 4, 2020Equipment. Low Charging Voltage Displayed On Cluster
- 10175645Apr 1, 2020Electrical system. Audio Mute On All Sources Except AM
- 10175642Apr 1, 2020Transmission and drivetrain, Back-over prevention (rear camera). Tick Noise From A-pillar Front Power Top Side Rail
- 10175612Apr 1, 2020Steering, Fuel system. DAMPER, Steering Additional service procedure steps before replacing the steering damper: Before istalling the steering damper to the vehicle, it is important to prime the new damper by 5 continuous compression ? extension stroke cycles by hand, each cycle consists of a full compression and a full extension stroke, without stops as fast as possible. Use large screwdrivers inserted in the bushings to aid in purging.
- 10175529Mar 31, 2020Visibility (wipers, defrost, mirrors). Customer Satisfaction Notification V88 Rear Quarter Windows
- 10175116Mar 31, 2020Equipment. Customer Satisfaction Notification V88 Rear Quarter Windows
- 10174196Mar 31, 2020Visibility (wipers, defrost, mirrors). Customer Satisfaction Notification V88 Rear Quarter Windows
- 10175504Mar 28, 2020Equipment. Satellite Radio Inoperative Radio Has Code B156B-13.
- 10175091Mar 28, 2020Equipment. Satellite Radio Inoperative Radio Has Code B156B-13.
- 10174171Mar 28, 2020Equipment. Satellite Radio Inoperative Radio Has Code B156B-13.
- 10175502Mar 27, 2020Equipment, Electrical system. WiTECH HVAC Actuator Calibration Test Reserved Tab.
- 10175500Mar 27, 2020Engine cooling. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P26FB ? EGR Cooler Bypass Control Stuck Closed Bank 1 Set.
- 10175089Mar 27, 2020Equipment. WiTECH HVAC Actuator Calibration Test Reserved Tab.
- 10175087Mar 27, 2020Engine cooling. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P26FB ? EGR Cooler Bypass Control Stuck Closed Bank 1 Set.
- 10174169Mar 27, 2020Equipment. WiTECH HVAC Actuator Calibration Test Reserved Tab.
- 10174167Mar 27, 2020Exterior lighting. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P26FB ? EGR Cooler Bypass Control Stuck Closed Bank 1 Set.
- 10175582Mar 26, 2020Fuel system. 3.0L Oil Filter Cartridge Identification Differences And Oil Filter Element Servicing Procedure This bulletin outlines the correct procedure for changing an oil filter on a 3.0L diesel to prevent engine damage. The bulletin also highlights the design differences in the oil filter cartridges used in the GEN-2 and GEN-3 3.0L diesel. As well as potential issues that can arise should the incorrect filter be used in…
- 10175581Mar 26, 2020Engine cooling, Fuel system. Water Pump Inlet Tube Fastener Torque This bulletin involves checking the torque on the water pump inlet tube fasteners to possibly eliminate coolant leak at this location. The customer may describe either a coolant leak or the coolant level is low.
- 10175499Mar 26, 2020Electrical system. Low Charging Voltage Displayed On Cluster
- 10175169Mar 26, 2020Fuel system. 3.0L Oil Filter Cartridge Identification Differences And Oil Filter Element Servicing Procedure This bulletin outlines the correct procedure for changing an oil filter on a 3.0L diesel to prevent engine damage. The bulletin also highlights the design differences in the oil filter cartridges used in the GEN-2 and GEN-3 3.0L diesel. As well as potential issues that can arise should the incorrect filter be used in…
- 10175168Mar 26, 2020Fuel system, Engine cooling. Water Pump Inlet Tube Fastener Torque This bulletin involves checking the torque on the water pump inlet tube fasteners to possibly eliminate coolant leak at this location. The customer may describe either a coolant leak or the coolant level is low.
- 10174249Mar 26, 2020Engine cooling. 3.0L Oil Filter Cartridge Identification Differences And Oil Filter Element Servicing Procedure This bulletin outlines the correct procedure for changing an oil filter on a 3.0L diesel to prevent engine damage. The bulletin also highlights the design differences in the oil filter cartridges used in the GEN-2 and GEN-3 3.0L diesel. As well as potential issues that can arise should the incorrect filter be used in…
- 10174248Mar 26, 2020Equipment, Engine cooling. Water Pump Inlet Tube Fastener Torque This bulletin involves checking the torque on the water pump inlet tube fasteners to possibly eliminate coolant leak at this location. The customer may describe either a coolant leak or the coolant level is low.
- 10175439Mar 25, 2020Equipment. PUMP, Water (Water Pump Inlet Tube) For concern of leak at water pump, please check and re-torque water pump inlet tube fasteners as described in Service Bulletin 07-001-20 before replacing the water pump.
- 10175027Mar 25, 2020Equipment. PUMP, Water (Water Pump Inlet Tube) For concern of leak at water pump, please check and re-torque water pump inlet tube fasteners as described in Service Bulletin 07-001-20 before replacing the water pump.
- 10174107Mar 25, 2020Engine cooling. PUMP, Water (Water Pump Inlet Tube) For concern of leak at water pump, please check and re-torque water pump inlet tube fasteners as described in Service Bulletin 07-001-20 before replacing the water pump.
- 10175574Mar 24, 2020Transmission and drivetrain, Back-over prevention (rear camera), Electrical…. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a loud whistle noise upon engine start up.
- 10175572Mar 24, 2020Transmission and drivetrain, Back-over prevention (rear camera), Electrical…. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a loud whistle noise upon engine start up.
- 10175571Mar 24, 2020Back-over prevention (rear camera), Electrical system, Transmission and…. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a loud whistle noise upon engine start up.
- 10175495Mar 24, 2020Steering. Shimmy Felt In Front End
- 10175161Mar 24, 2020Transmission and drivetrain, Back-over prevention (rear camera), Electrical…. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a loud whistle noise upon engine start up.
- 10175159Mar 24, 2020Electrical system, Transmission and drivetrain, Back-over prevention (rear…. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a loud whistle noise upon engine start up.
- 10175158Mar 24, 2020Back-over prevention (rear camera), Electrical system, Transmission and…. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a loud whistle noise upon engine start up.
- 10175083Mar 24, 2020Body and structure. Shimmy Felt In Front End
- 10174241Mar 24, 2020Electrical system, Transmission and drivetrain. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a loud whistle noise upon engine start up.
- 10174239Mar 24, 2020Electrical system, Transmission and drivetrain. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a loud whistle noise upon engine start up.
- 10174238Mar 24, 2020Transmission and drivetrain, Electrical system. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a loud whistle noise upon engine start up.
- 10174163Mar 24, 2020Body and structure. Shimmy Felt In Front End
- 10175512Mar 18, 2020Engine cooling. Fast Feedback Program - 3.0L Diesel Engine and Components - 2020 Ram 1500 (DT) and 2020 Jeep Wrangler (JL) - All Models (Rev. B)
- 10175099Mar 18, 2020Engine cooling. Fast Feedback Program - 3.0L Diesel Engine and Components - 2020 Ram 1500 (DT) and 2020 Jeep Wrangler (JL) - All Models (Rev. B)
← All problems reported for the 2020 Jeep Wrangler
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.