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Service bulletins for the 2020 Jeep Gladiator

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

684 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
S21080000452021-03-15. Service bulletin. EQUIPMENT:ELECTRICAL. Favorite Song On-Air Alert List Empty
S21080000362021-03-15. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); EQUIPMENT. Drive Configuration Changed After A Recent Service Repair
S2019000005 Rev.2021-03-15. Service bulletin. STEERING; ELECTRICAL SYSTEM; EQUIPMENT. U0131 Lost Communication With Power Steering Control Module A DTC Active. EPS Light On.
S2119000001 Rev.2021-03-15. Service bulletin. STEERING; EQUIPMENT. Click Pop Creak Noise While Turning Steering Wheel
08-102-202021-03-01. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; EQUIPMENT; ELECTRICAL SYSTEM; SERVICE BRAKES, AIR:ANTILOCK. 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.
08-074-20 REV. F2021-03-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; STEERING. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, checking sales codes and performing vehicle reconfig, if required.Review and perform all steps necessary to complete the Repair Procedure. If any steps are missed this may lead to undesired handling characteristics. 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 excessive play.This Technical Service Bulletin (TSB) repair will NOT correct a sustained steering shake, shimmy or vibration. Video aid has been developed for this issue. Refer to the detailed service procedures available in DealerConnect>Service Library under: Service Info>19 - Steering / Linkage / Damper, Steering /Removal and Installation.
S1908000083 Rev.2021-03-01. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Check Engine Light Illuminated, Stop Start Function Inoperative
08-015-212021-02-16. Service bulletin. ELECTRICAL SYSTEM. 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.
08-003-212021-02-16. Service bulletin. STEERING; POWER TRAIN. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, checking sales codes and performing vehicle reconfig, if required.Review and perform all steps necessary to complete the Repair Procedure. If any steps are missed, this may lead to undesired handling characteristics. 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 excessive play.This Technical Service Bulletin (TSB) repair will NOT correct a sustained steering shake, shimmy or vibration. Video aid has been developed for this issue. Refer to the detailed service procedures available in DealerConnect>Service Library under: Service Info>19 - Steering / Linkage / Damper, Steering /Removal and Installation.
718382021-02-16. Service bulletin. VISIBILITY. Warranty Bulletin D-18-16 Rev. B Mopar Windshield Made With Corning Gorilla Glass (Rev. B)
S2023000041 Rev.2021-02-16. Service bulletin. TRAILER HITCHES. MOPAR Trailer Brake Accessory Kit And Instructions
S21080000232021-02-16. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION. Blind Spot Sensor Light Operate Sporadically And Indicates False Detection Without Any DTC
S21230000032021-02-16. Service bulletin. STRUCTURE. Buzz Squeak Rattle From Floor Dash And Interior Items
S21190000012021-02-16. Service bulletin. STEERING. Click Pop Creak Noise While Turning Steering Wheel
S2008000031 Rev.2021-02-16. Service bulletin. EQUIPMENT. Low Charging Voltage Displayed On Cluster
S21230000022021-02-16. Service bulletin. VISIBILITY. Exterior Rearview Mirrors Inoperative And Or Intermittent Operation.
90043422021-02-16. Service bulletin. VISIBILITY. WINDSHIELD Windshield cracked or blemish. When customer comes in for a cracked windshield, please note the location of crack and take pictures before repair. Please send pictures to FCA Redacted Content or load to the warranty claims system.
08-074-20 REV. E2020-12-28. Service bulletin. ELECTRICAL SYSTEM; STEERING; EQUIPMENT ADAPTIVE/MOBILITY. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, checking sales codes and performing vehicle reconfig, if required.Review and perform all steps necessary to complete the Repair Procedure. If any steps are missed this may lead to undesired handling characteristics. 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 excessive play.This Technical Service Bulletin (TSB) repair will NOT correct a sustained steering shake, shimmy or vibration. Video aid has been developed for this issue. Refer to the detailed service procedures available in DealerConnect>Service Library under: Service Info>19 - Steering/Linkage/Damper, Steering/Removal and Installation.
08-074-20 REV. D2020-12-28. Service bulletin. STEERING; EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, checking sales codes and performing vehicle reconfig, if required.Review and perform all step necessary to complete the Repair Procedure. If any steps are missed this may lead to undesired handling characteristics. 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 Technical Service Bulletin (TSB) repair will NOT correct a sustained steering shake, shimmy or vibration. Video aid has been developed for this issue. Refer to the detailed service procedures available in DealerConnect>Service Library under: Service Info>19 - Steering / Linkage / Damper, Steering /Removal and Installation.
S1908000102 Rev.2020-12-28. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. (Rev. A) Audio Mute On All Sources Except AM
S20230000412020-12-28. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL. MOPAR Trailer Brake Accessory Kit And Instructions
S20080001722020-12-28. Service bulletin. ELECTRICAL SYSTEM. Radio Screen Flickering When Using Apple CarPlay Or Android Auto.
90043312020-12-28. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; EQUIPMENT. Mopar Trailer Brake Controller Disregard ADH sales code reference in I-sheet. Optional harness 82216416A$ referenced in I-sheet is used for Wrangler only without factory trailer tow.
08-074-20 REV. E2020-12-21. Service bulletin. ELECTRICAL SYSTEM; STEERING; EQUIPMENT. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, checking sales codes and performing vehicle reconfig, if required.Review and perform all steps necessary to complete the Repair Procedure. If any steps are missed this may lead to undesired handling characteristics. 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 excessive play.This Technical Service Bulletin (TSB) repair will NOT correct a sustained steering shake, shimmy or vibration. Video aid has been developed for this issue. Refer to the detailed service procedures available in DealerConnect>Service Library under: Service Info>19 - Steering / Linkage / Damper, Steering /Removal and Installation.
08-074-20 REV. D2020-12-21. Service bulletin. STEERING; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, checking sales codes and performing vehicle reconfig, if required.Review and perform all step necessary to complete the Repair Procedure. If any steps are missed this may lead to undesired handling characteristics. 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 Technical Service Bulletin (TSB) repair will NOT correct a sustained steering shake, shimmy or vibration. Video aid has been developed for this issue. Refer to the detailed service procedures available in DealerConnect>Service Library under: Service Info>19 - Steering / Linkage / Damper, Steering /Removal and Installation.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.