WenmarOpen by Wenmar Pro

Service bulletins for the 2021 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.

1325 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
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.
1091612025-12-23. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. SWITCH - TRANSFER CASE, RIDE HEIGHT, TERRAIN SELECT
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.
08-396-252025-12-17. Service bulletin. ELECTRICAL SYSTEM. Drivetrain Control Module (DTCM) Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● C1403 - 92 Transfer Case Range Position Sensor - Performance Or Incorrect Operation. ● U0403 - 00 Implausible Data Received From Transfer Case. Customers may experience the following: ● Service 4WD Light On in Instrument Panel Control (IPC) This bulletin involves replacing the DTCM.Drivetrain Control Module (DTCM) Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● C1403 - 92 Transfer Case Range Position Sensor - Performance Or Incorrect Operation. ● U0403 - 00 Implausible Data Received From Transfer Case. Customers may experience the following: ● Service 4WD Light On in Instrument Panel Control (IPC) This bulletin involves replacing the DTCM.
S25230000942025-12-17. Service bulletin. STRUCTURE:BODY. Power Liftgate Noise During Gate Operation
1089742025-12-17. Service bulletin. ENGINE. THROTTLE BODY - NONE
1089422025-12-11. Service bulletin. STEERING. MODULE - STEERING CONTROL
1089412025-12-11. Service bulletin. STEERING. MODULE - STEERING CONTROL
1088332025-12-11. Service bulletin. UNKNOWN OR OTHER. AMPLIFIER - NONE
1088402025-12-11. Service bulletin. ENGINE. Hose- Oil Cooler Inlet, Outlet
1085472025-12-11. Service bulletin. STRUCTURE:BODY; ENGINE. ISOLATOR - ENGINE MOUNT
1085462025-12-11. Service bulletin. STRUCTURE:BODY; ENGINE. ISOLATOR - ENGINE MOUNT
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.
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.
S2423000012 REV.D2025-11-26. Service bulletin. STRUCTURE:BODY. Power Liftgate Is Inoperative or Won’t Close.
S25230000892025-11-26. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Passive Entry Exterior Door Handle Inoperative When Touched For Lock And Or Unlock.
S25210000042025-11-19. Service bulletin. POWER TRAIN. The customer is experiencing a "clicking" noise during turns while driving on WL vehicles
S25090000092025-11-05. Service bulletin. ENGINE. Engine Oil Leak
1056462025-10-15. Service bulletin. STEERING. MODULE - STEERING CONTROL & COLUMN
S25220000032025-10-15. Service bulletin. WHEELS. Tire Pressure Monitor (TPM) Warning Lamp On Or Flashing. Sensor(s) Not Reading And Or Showing Dashes.
08-310-252025-10-08. Service bulletin. ELECTRICAL SYSTEM. R1H Radio U33.43 USB Software Update Customers may experience one or more of the following: ● Unable to select the Turn by Turn Navigation. ● Blank Performance Pages (Rearview Camera (RVC) Functions Normally). ● Android Auto® Voice Recognition (VR) inoperative. ● Media tuner delayed. ● Charge Schedule not accepting updates via phone (RVC Functions Normally). ● Ambient light inoperative. ● Map in Instrument Panel Cluster (IPC) inoperative. ● Media Widget blank. ● Navigation map black. ● Off-Road Pages inoperative (RVC Functions Normally). ● VR inoperative. ● Incorrect song title displayed (Carplay® only). ● Radio display switches from Media Page to Home Page (RVC Functions Normally). ● Ghost touch on Navigation screen (RVC Functions Normally). ● Widgets missing. ● New User Profile does not load. ● Returns to wrong page after View Camera Event selected by customer in the Camera View Pages (RVC Functions Normally) This bulletin involves inspecting and if required, updating the radio software level to U33.43. Depending on the radio's current software level the radio may need a one or two USB update
08-302-25 REV. A2025-10-08. Service bulletin. ELECTRICAL SYSTEM. Not applicable to vehicles built for US market. Radio USB Update to U40.20 Customers may experience one or more of the following: ● Temperature displayed in the radio display screen and rear HVAC are mismatched. ● Auto door locks are inoperable. This bulletin involves inspecting and if required, updating the radio software level to U40.20. Depending on the radio’s current software level the radio may need a one or two USB update.

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