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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

Only bulletins with component: Brakes are shown. Show all

Bulletins, newest first
S1805000006 REV.B2025-11-13. Service bulletin. SERVICE BRAKES. ESC Light Illuminated. DTC C1252-92 VACUUM PUMP CONTROL CIRCUIT And Or P258B ELECTRONIC VACUUM PUMP PERFORMANCE
1074182025-10-02. Service bulletin. SERVICE BRAKES. SWITCH - CLUTCH STARTER INTERLOCK & MASTER CYLINDER ASSEMBLY - CLUTCH
S21080001702023-01-17. Service bulletin. PARKING BRAKE. Head unit button stuck DTC code B14DA-2A
08079212023-01-17. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM; LANE DEPARTURE; BACK OVER PREVENTION; FORWARD COLLISION AVOIDANCE; SERVICE BRAKES, HYDRAULIC. 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:Instrument Panel Cluster (IPC) warnings for the Forward Collision Warning (FCW) informing the driver to apply the brakes. Brakes may intermittently apply unexpectedly together with IPC warnings. The following software enhancements are also available:Allows customers to turn off the FCW indefinitely, rather than resetting to ?ON? at each key cycle(Japan and 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.
S22080000852023-01-09. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE; ENGINE AND ENGINE COOLING. No Start, ABS Module Has No Communication, Stop/Start Inoperative
S21080001702022-09-26. Service bulletin. PARKING BRAKE. Head unit button stuck DTC code B14DA-2A
90041752022-09-15. Service bulletin. PARKING BRAKE; VEHICLE SPEED CONTROL; TRAILER HITCHES; SEATS. LATCH, Folding Top For a concern of a loose latch in the closed position, it is not necessary to replace the latch unless broken. Refer to instructions in service library. The position of the receiver attached to the vehicle header can be adjusted to change the ammount of force required to latch.
05-006-212021-12-13. Service bulletin. PARKING BRAKE; WHEELS; SERVICE BRAKES. Rear Caliper Adapter Bolts Are Loose Or Missing This bulletin includes replacing all four rear caliper adapter bolts if loose or missing. Customers may comment on one or more of the following:Click or clunk from the rear of the vehicle. A missing or loose rear brake caliper adapter boltFig. 1.Missing And Loose Caliper Adapter Bolts
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.

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