WenmarOpen by Wenmar Pro

Service bulletins for the 2020 Jeep Grand Cherokee

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.

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

By type

By component

By trouble code

Only bulletins with component: Lighting are shown. Show all

Bulletins, newest first
91000162022-10-31. Service bulletin. EXTERIOR LIGHTING; TRAILER HITCHES. WL trailer tow lighting kit No trailer tow sales codes are required to be added to the vehicle with use of this kit. If sales code XF2 is added to vehicle a DTC error maybe a result.
S16250000052022-10-17. Service bulletin. FUEL SYSTEM, DIESEL; AIR BAGS; FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING. (Rev. A) Malfunction Indicator Light (MIL) Illuminated. Service Diesel Exhaust Fluid (DEF) System ? See Dealer Soon Message on Electronic Vehicle Information Center (EVIC) Along With Possible Diagnostic Trouble Code (DTC) P241D - SCR Inducement - Forced Engine Shutdown.
18092202022-10-17. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. 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) has been set:P00FD-00 - Battery B State Of Charge Performance.
23024222022-09-26. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. Headlamp Condensation Clearing Procedure This bulletin is to communicate the procedure for headlamp condensation clearing.
S18080001752020-05-26. Service bulletin. EXTERIOR LIGHTING. LED Front Fog Lamps Flicker Or Intermittently Light, Are Dim Or Inoperative. A U11E9, or B16FB-15 may be set
S18080001752020-05-18. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. LED Front Fog Lamps Flicker Or Intermittently Light, Are Dim Or Inoperative. A U11E9, or B16FB-15 may be set
S18080001752020-04-27. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY; EXTERIOR LIGHTING. LED Front Fog Lamps Flicker Or Intermittently Light, Are Dim Or Inoperative. A U11E9, or B16FB-15 may be set

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