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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: Brakes are shown. Show all

Bulletins, newest first
S21180000032021-05-24. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION; SERVICE BRAKES; EXTERIOR LIGHTING. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P051B ? Crankcase Pressure Sensor Circuit Performance, and/or P04DB ? Crankcase Ventilation System Disconnected, Set After Powertrain Control Module (PCM) Replacement
90043432021-02-16. Service bulletin. SERVICE BRAKES, HYDRAULIC. VALVE, HIGH PRESSURE EGR If you are replacing the high pressure EGR valve (68490212A$) due to DTC P0407 or P0408 please refer to all published service information regarding proper diagnosis before proceeding. These DTCs are for the low pressure EGR system.
S1925000008 Rev.2020-12-28. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES; FUEL SYSTEM, GASOLINE. (Rev. B) Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P20E8 ? Reductant Pressure Too Low and/or P208B ? Reductant Pump 1 Control Performance Set.
S2008000085 Rev.2020-11-30. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT; EXTERIOR LIGHTING:BRAKE LIGHTS. ABS, ESC Lamp On, Red Brake Lamp Flashing
90043112020-11-30. Service bulletin. WHEELS; SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. SENSOR, Wheel Speed Please call FCA Redacted Content prior to replacing a rear wheel speed sensor for one of the following fault codes: C003A-1D and or 2F (right rear wss circuit current out of range or signal erratic) C0037-1D and or 2F (left rear wss circuit current out of range or signal erratic) If no response in 15 minutes, proceed with repair.
08-003-20 REV. B2020-09-28. Service bulletin. FORWARD COLLISION AVOIDANCE; ELECTRICAL SYSTEM; SERVICE BRAKES. Flash: Driver Assistance System Module (DASM) Enhancements This bulletin involves reprogramming the DASM with the latest software available. The customer may describe the following: Instrument Panel Cluster (IPC) warnings for the Forward Collision Warning (FCW) informing the driver to apply the brakes. The following software enhancements are also available:Allows customers to turn off the FCW indefinitely, rather than resetting to ?ON? at each key cycle(South Korea only). System improvements to enhance the FCW system hazard detection which may reduce nuisance actions and warnings from incorrectly identified structures and hazards, which can in rare circumstances cause an unwarranted brake event.
S20080001212020-09-28. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; PARKING BRAKE:INDICATOR LIGHT. Right Front Parking Lamp LED Halo Does Not Illuminate
S20080000852020-07-27. Service bulletin. SERVICE BRAKES. ABS, ESC Lamp On, Red Brake Lamp Flashing
90041162020-04-06. Service bulletin. VEHICLE SPEED CONTROL; PARKING BRAKE. HANDLE AND CABLE, Seat Release If you have a 2 door vehicle built after 8/6/2019 with an EZ entry handle that is loose or appears broken, please call FCA Redacted Content prior to replacing any parts. If no response in 15 minutes, proceed with repair. EZ entry handle mounting bracket may have grease present which may have damaged the plastic of the EZ entry handle. Thoroughly clean mounting bracket of any contamination prior to installing a new EZ entry handle as outlined in Service Bulletin 23-002-20.

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