Service bulletins for the 2026 Jeep Grand Cherokee L
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.
261 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Electrical system are shown. Show all
| 08-394-25 REV. A | 2025-12-17. 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. |
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| 9100734 | 2025-12-17. 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 |
| 9100732 | 2025-12-17. 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. |
| S2521000006 | 2025-12-11. Service bulletin. ELECTRICAL SYSTEM. Service 4WD light on in the cluster. C14A1-74 DTC will be present (Active or Stored). |
| S258A000021 | 2025-12-11. Service bulletin. ELECTRICAL SYSTEM. Diagnostic Trouble Code (DTC) B15A1-00 Media Port Connection 1 Connection Found Set. |
| 08-394-25 | 2025-12-11. Service bulletin. ELECTRICAL SYSTEM. Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present echnicians 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 |
| S2523000065 REV.A | 2025-11-26. Service bulletin. STEERING; ELECTRICAL SYSTEM. Diagnostic Trouble Code DTC(s) C1593-00, C2217-00, U0131-00. and Service Electric Power Steering Messages. |
| S2523000089 | 2025-11-26. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Passive Entry Exterior Door Handle Inoperative When Touched For Lock And Or Unlock. |
| 108499 | 2025-11-26. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. LAMP – BACKUP, LAMP - TAIL |
| 108473 | 2025-11-26. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. LAMP – BACKUP, LAMP - TAIL |
| S2308000034 REV.A | 2025-11-19. Service bulletin. ELECTRICAL SYSTEM. No Wireless Charging Or Slow Wireless Charging |
| S2508000100 | 2025-11-13. Service bulletin. ELECTRICAL SYSTEM. Intermittent Uconnect Box Requires Service Message. TBM Setting Stored Or Pending DTCs B22A9, B1560, B1561, B1562 |
| 9100708 | 2025-11-05. Service bulletin. ELECTRICAL SYSTEM. DTC B1E21 is triggered when the TBM Backup Battery is discharged, inactive, or drained. This can happen during the lifetime of the vehicle. TBM should not be replace for B1E21, since there is no fault on TBM. TBM battery is replaceable. Part number of the back-up battery inside TBM is 68597650AA. |
| S2508000091 | 2025-10-29. Service bulletin. ELECTRICAL SYSTEM. Radio (ETM) Is Always Setting Stored DTC B15A1-00 Media Port 1 Connection |
| OTHERDOC_149 | 2025-09-17. Over-the-air update. ELECTRICAL SYSTEM. Global Telematics Box Module Over The Air Update from R5C1 and R5O1 to R5T TBM2.H Software Version (FOTA) Customers may experience one or more of the following: - Error display of "Uconnect Box Requires Service" popups; [ TBM DTCs B1560, B1561, B1562 - Antenna loose connection ]. - TBM sleep mode not working causing battery drain in some cases. - Error display of "Uconnect Box Requires Service/Wifi Unavailable" pop ups; [ TBM DTC B22A9-96 Internal Performance Failure ]. |
| S2223000074 REV.B | 2025-08-13. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Power Side Steps Reverse, Stop In Motion, Do Not Deploy Or Stow, And May Have a Chirp Noise. |
| S2508000064 | 2025-08-13. Service bulletin. ELECTRICAL SYSTEM. Album Cover Art Flickers On Cluster Audio Page |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.