WenmarOpen by Wenmar Pro

Service bulletins for the 2026 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.

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

By type

By component

By trouble code

Bulletins, newest first
1097242026-01-28. Service bulletin. ENGINE. Water Pump & Chain Case Cover
S2521000004 REV.B2026-01-21. Service bulletin. STEERING; SUSPENSION; POWER TRAIN. The customer is experiencing a clicking or pop noise from the steering knuckle and bearing area during turns while driving.
S2308000120 REV.E2026-01-21. Service bulletin. ELECTRICAL SYSTEM. Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative. Rain Sensor Internal Failure.
S26070000012026-01-21. Service bulletin. ENGINE. Coolant Has Abnormal Yellow Color
08-013-262026-01-21. Service bulletin. UNKNOWN OR OTHER. Flash: Central ADAS Decision Module (CADM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set at least one of the following Diagnostic Trouble Codes (DTCs): ● C2203-00 - Current VIN Missing/Mismatch. ● C008E-00 - ECU Internal Performance with Environmental Data Decode Byte: APP_FATAL_ERROR_APP_CONFIGURATION_ERROR_FAULT. Customers may also comment on one or more of the following: ● The Instrument Panel Cluster (IPC) is displaying one or more of the following messages: ○ "ACC/FCW Unavailable Service Required". ○ "ACC/FCW Limited Functionality". ○ "Active Lane Management Limited Functionality." ○ "Active Lane Management Unavailable Service Required". ○ "Automatic Emergency Braking (AEB) Limited Service Required". ○ "AEB Unavailable Service Required". ○ "Blindspot Detection Unavailable Service Required" ○ "Blindspot Detection Limited Functionality" ● Customer states that the ADAS features are disabled This bulletin involves reprogramming of the CADM with the latest available software and possibly performing a Forward Facing Camera (FFC) Dynamic Service Alignment / Calibration procedure.
08-012-262026-01-21. Service bulletin. ELECTRICAL SYSTEM. Speaker Diagnostic Procedure Rattle, buzz and squeak coming from specific speakers.
1092322026-01-14. Service bulletin. STRUCTURE:BODY. LATCH - LIFTGATE
1092312026-01-14. Service bulletin. STRUCTURE:BODY. LATCH - LIFTGATE
S26230000022026-01-14. Service bulletin. ELECTRICAL SYSTEM. Service Shifter Message On Instrument Cluster With Loss Of Communication Diagnostic Trouble Code (DTC) Related To The Shifter.
S26230000012026-01-14. Service bulletin. ELECTRICAL SYSTEM. Rotary Shifter Lights Blinking, Shifter Not Moving, Not Going Into Gear.
S2521000004 Rev.A2026-01-07. Service bulletin. SUSPENSION; STEERING; WHEELS. Note: actual release date was 12/22/2025 The customer is experiencing a clicking or pop noise from the steering knuckle and bearing area during turns while driving.
1090112025-12-23. Service bulletin. POWER TRAIN. VALVE BODY & CONTROL UNIT – TRANSMISSION
1091572025-12-23. Service bulletin. SEATS. ARMREST - REAR DOOR TRIM
S25210000052025-12-23. Service bulletin. SERVICE BRAKES; POWER TRAIN. The customer states the ABS and Traction Control warning comes on. Vehicle sets wheel speed BSCM/ABS fault codes.
08-394-25 REV. A2025-12-17. Service bulletin. ELECTRICAL SYSTEM. Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present Technicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): ● B1E21-96 - Backup Battery Component Internal Failure.
91007342025-12-17. Service bulletin. ELECTRICAL SYSTEM. If the DTC B1E21-96: Backup Battery-Component Internal Failure is active and customer states Popup message will show at the radio: "Battery of Uconnect Box requires service. SOS call and related functions may be unavailable. Please visit an authorized dealer." PLEASE do not Replace the TBM module, only replace TBM Internal Battery (inside Telematics Box Module) and order PN68493347
91007322025-12-17. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. If the power liftgate exhibits operating noise during opening or closing but functions normally, follow these instructions: 1. Do NOT replace the Power liftgate if: -The liftgate opens and closes properly, and -The customer concern is only operating noise. 2. Replacement is ONLY recommended if: -There is an abnormal sound (e.g., grinding, scraping, knocking), -A functional issue exists (binding, stall, failure to open/close), -There is visible damage, or -Relevant DTCs are present. 3.If you hear grinding, scraping, or any abnormal sound, parts can be replaced. -Describe the issue clearly in the narrative. -If possible, record the sound and attach it to the narrative.
S25080001072025-12-17. Service bulletin. SEATS. Comfort Seat Module (CSM) or Comfort Steering Wheel Module (CSWM) do Not Operate
S25230000942025-12-17. Service bulletin. STRUCTURE:BODY. Power Liftgate Noise During Gate Operation
1089742025-12-17. Service bulletin. ENGINE. THROTTLE BODY - NONE
1089472025-12-17. Service bulletin. UNKNOWN OR OTHER. EVAPORATOR - AIR CONDITIONING
1089462025-12-17. Service bulletin. UNKNOWN OR OTHER. EVAPORATOR - AIR CONDITIONING
1089422025-12-11. Service bulletin. STEERING. MODULE - STEERING CONTROL
1089412025-12-11. Service bulletin. STEERING. MODULE - STEERING CONTROL
S25210000062025-12-11. Service bulletin. ELECTRICAL SYSTEM. Service 4WD light on in the cluster. C14A1-74 DTC will be present (Active or Stored).

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