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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: Seat belts are shown. Show all

Bulletins, newest first
23021222022-09-26. Service bulletin. SEAT BELTS; SEATS. Front Seat Will Not Unfold and Lock Into Position This bulletin involves replacing the Easy Entry release cable and both front seattrack seat position returns. Customers may experience one or both of the following: This may be an intermittent condition the customer experiences.One or both of the front seats will not unlock from the Easy Entry position. One or both of the front seats will not unfold and lock back into the upright position. The vehicle cannot be driven due to this condition.
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.
08-019-212021-02-16. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM; EXTERIOR LIGHTING; BACK OVER PREVENTION; TRAILER HITCHES; SEAT BELTS; LANE DEPARTURE. 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.

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