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Service bulletins for the 2020 Jeep Wrangler

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.

1020 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
S21080000562022-09-26. Service bulletin. ELECTRICAL SYSTEM. U0111-00 Lost Communication With Battery Energy Control Module Set In The HCP. BPCM Offline, Multiple Low Voltage DTC?s.
S21080000472022-09-26. Service bulletin. ELECTRICAL SYSTEM. Jeep Off Road Pages Missing Latitude And Longitude Coordinates
S2019000005RevA2022-09-26. Service bulletin. STEERING; ELECTRICAL SYSTEM; POWER TRAIN; AIR BAGS. U0131 Lost Communication With Power Steering Control Module A DTC Active. EPS Light On.
0811819-12022-09-15. Service bulletin. LANE DEPARTURE; ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE; AIR BAGS. Flash: Driver Assistance System Module (DASM) Enhancements This bulletin involves reprogramming the DASM with the latest software available. The customer may describe one or more of the following:Brakes may intermittently apply unexpectedly together with Instrument Panel Cluster (IPC) warnings. IPC warnings for the Forward Collision Warning (FCW) informing the driver to apply the brakes.
08118192022-09-15. Service bulletin. LANE DEPARTURE; ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE. Flash: Driver Assistance System Module (DASM) Enhancements This bulletin involves reprogramming the DASM with the latest software available. The customer may describe one or more of the following:Brakes may intermittently apply unexpectedly together with Instrument Panel Cluster (IPC) warnings. IPC warnings for the Forward Collision Warning (FCW) informing the driver to apply the brakes.
25001192022-09-15. Service bulletin. FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Instrument Panel Cluster (IPC) Message about Diesel Particulate Filter (DPF) Regeneration
08110192022-09-15. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS; ELECTRICAL SYSTEM; BACK OVER PREVENTION. Flash: Park Assist Module (PAM) Enhancement This bulletin involves updating the Park Assist Module (PAM) software with the latestavailable software. Customers may notice:When shifting into reverse, the parking sensor may beep, even when thereis no object behind the vehicle.
90040662022-09-15. Service bulletin. ELECTRICAL SYSTEM. WIRING KIT, Enclosure (Mopar JL hard top conversion accessory kit) The HVAC control panel requires replacement when GTP sales code is present to restore rear defrost function. The switch is not provided in this kit and a service replacement part must be ordered. See service information procedure for switch replacement and below chart for replacement part numbers. vehicle has GTP+BNH+HAA replace HVAC control with pn 6BE36TRMAC vehicle has GTP+BNH-HAA replace HVAC control with pn 6BE37TRMAC vehicle has GTP+HAA-BNH replace HVAC control with pn 6BE40TRMAC vehicle has GTP-HAA-BNH replace HVAC control with pn 6BE41TRMAC Please ensure that the proper color code is used in place of the part TRM designation. For any questions call John Altsman at (248) 512-9361.
08-133-212022-08-22. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE. UAQ and UCQ Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to: 39.6.The repair procedure must be followed step by step. If the radio is not updated with the correct software level at the correct time the radio can be damaged. If the radio was damaged by not following the repairprocedure the radio may need to be replaced. Customers may experience one or more of the following: Lost radio presets. SXM favorite song not displaying/playing. Radio display screen is black, intermittent. Radio freeze intermittent. Incorrect navigation address/location/directions. Bluetooth pair or connection issue. Radio channel change by itself. SXM icon inoperative. Backup camera has black display screen. High pitch chime noise. Contact list not loading. Device not supported message. Remote app inoperative. Travel-Link fuel price incorrect. Backup camera gridlines missing. Unable to adjust volume. In addition the following enhancements are included: Heavy Duty (HD)Truck USB HUB improvements. HD Truck heated steering wheel improvements.
08-019-212022-07-18. Service bulletin. BACK OVER PREVENTION; SEAT BELTS; STRUCTURE; TRAILER HITCHES; ELECTRICAL SYSTEM; LANE DEPARTURE; EXTERIOR LIGHTING. 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.
S2008000031 Rev.2022-07-18. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Low Charging Voltage Displayed On Cluster
18-049-222022-06-27. Service bulletin. EQUIPMENT; POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following (DTC): P0441- EVAP Purge System Performance. The customer may comment on one or more of the following: Pinging/detonation sound from the engine after warm up at 1000-1500 RPM at low speed. 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.
S228A0000042022-06-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Panasonic VP4R Wi-Fi New Enrollment Pause
S19250000082022-06-27. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P208B ? Reductant Pump 1 Control Performance, and/or P20E8 ? Reductant Pressure Too Low, Set.
S19080001972022-06-27. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; ELECTRICAL SYSTEM. Low Tire Pressure Lamp Warning Lamp Illuminated, DTC?s C1501-96, C1502-96, C1503-96, C1504-96
90044722022-06-27. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:HAND HEATER:WIRING HARNESS. complete wiring harness Before replacing this harness, please check for an available connector repair kit at the following: http://connectors.dcctools.com/home.htm;jsessionid=C6A3F1B696B030953878BF34FE86A8FE If a connector repair kit is not available on the website contact FCA Redacted Content to see if an alternative repair kit is available for your application prior to ordering the harness. If no response in 15 minutes, proceed with repair. Please email pictures of harness defects to FCA Redacted Content
S21080001532022-05-31. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Stop Start Inoperative, Cluster Message To Service Stop Start, AC Inoperative
18053222022-05-31. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following (DTCs) have been set: P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation). P0441 - EVAP Purge System Performance. P0607 - ECU Internal Performance. P0506 - Idle Speed Performance Lower Than Expected
18049222022-05-31. Service bulletin. ELECTRICAL SYSTEM; ENGINE; EQUIPMENT ADAPTIVE/MOBILITY. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following (DTC): P0441- EVAP Purge System Performance. 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) illuminationor Diagnostic Trouble Codes (DTCs) set. In addition, the following software enhancements are available: Updates to include misfire DTCs.
S1908000159 RevA2022-05-31. Service bulletin. ELECTRICAL SYSTEM. MIL Lamp On, DTC P0330 Knock Sensor 2 Circuit
S2118000015 RevB2022-05-31. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0403 ? EGR Control Circuit Open, Set.
S22080000732022-05-31. Service bulletin. ELECTRICAL SYSTEM. No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
S1708000118 RevB2022-05-31. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
S22080000682022-05-31. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. ?Device Not Supported? Message on the radio screen
08-003-21 REV. A2021-12-13. Service bulletin. ELECTRICAL SYSTEM; 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.

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