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

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
S2108000121 REV.B2026-02-19. Service bulletin. ELECTRICAL SYSTEM. Check Engine Light On And Service Hybrid System Displayed. P0A0A-00 High Voltage System Interlock Circuit “A” Is Active
08-061-262026-02-19. Service bulletin. ELECTRICAL SYSTEM. Flash: Drivetrain Control Module (DTCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● C14A1-74 - Unintended Actuator Shaft Movement Detected-actuator Slipping. Customers may comment on the following: ● The service 4WD light is on in the Instrument Panel Cluster (IPC). This bulletin involves inspecting and possibly reprogramming the DTCM with the latest available software.
08-050-262026-02-12. Service bulletin. ELECTRICAL SYSTEM. PROXI Alignment: Radio Frequency Hub Module (RFHM) Customers may experience the following: ● Keyless Ignition Node (KIN) stays illuminated after vehicle ignition is OFF. ● Depleted battery. NOTE: Battery depleted due to a 100mA ignition-off draw.
S2308000120 REV.F2026-02-12. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative. Rain Sensor Internal Failure.
S268A0000012026-02-04. Service bulletin. ELECTRICAL SYSTEM. Audio Amplifier Setting ANC Diagnostic Trouble Codes (DTC) as Stored Codes.
S2523000089 REV.A2026-02-04. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. Passive Entry Exterior Door Handle Inoperative When Touched For Lock And Or Unlock.
S2308000120 REV.E2026-01-21. Service bulletin. ELECTRICAL SYSTEM. Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative. Rain Sensor Internal Failure.
08-012-262026-01-21. Service bulletin. ELECTRICAL SYSTEM. Speaker Diagnostic Procedure Rattle, buzz and squeak coming from specific speakers.
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.
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.
S25210000062025-12-11. Service bulletin. ELECTRICAL SYSTEM. Service 4WD light on in the cluster. C14A1-74 DTC will be present (Active or Stored).
S258A0000212025-12-11. Service bulletin. ELECTRICAL SYSTEM. Diagnostic Trouble Code (DTC) B15A1-00 Media Port Connection 1 Connection Found Set.
08-394-252025-12-11. 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.A2025-11-26. Service bulletin. STEERING; ELECTRICAL SYSTEM. Diagnostic Trouble Code DTC(s) C1593-00, C2217-00, U0131-00. and Service Electric Power Steering Messages.
S25230000892025-11-26. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Passive Entry Exterior Door Handle Inoperative When Touched For Lock And Or Unlock.
1084992025-11-26. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. LAMP – BACKUP, LAMP - TAIL
1084732025-11-26. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. LAMP – BACKUP, LAMP - TAIL
S2308000034 REV.A2025-11-19. Service bulletin. ELECTRICAL SYSTEM. No Wireless Charging Or Slow Wireless Charging
S25080001002025-11-13. Service bulletin. ELECTRICAL SYSTEM. Intermittent Uconnect Box Requires Service Message. TBM Setting Stored Or Pending DTCs B22A9, B1560, B1561, B1562
91007082025-11-05. 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.
S25080000912025-10-29. Service bulletin. ELECTRICAL SYSTEM. Radio (ETM) Is Always Setting Stored DTC B15A1-00 Media Port 1 Connection
S2408000031 REV.A2025-09-24. Service bulletin. ELECTRICAL SYSTEM. Vehicle is Not Charging When Connected to a Level One or Two Charger or a Public Charging Station

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