WenmarOpen by Wenmar Pro

Service bulletin 03-007-25

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11023064
Published by NHTSA2025-09-10
Manufacturer's number03-007-25
Manufacturer's date2025-09-03
NHTSA componentPOWER TRAIN

NHTSA's summary

Service 4WD Light Illuminated Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● C1463-94 - Front Axle Disconnect Control-Unexpected Operation. Customers may experience one or more of the following: ● Service 4WD light is illuminated on the Instrument Panel Cluster (IPC). ● Unable to shift from two-wheel drive to four-wheel drive or four-wheel to two-wheel drive, it will stay in the current state This bulletin involves inspecting the serial number on the Front Axle Disconnect (FAD) housing to determine a build date and, if required, replacing the FAD assembly

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Transmission and driveline

Trouble codes named

C1463

Vehicles listed
JEEP GRAND CHEROKEE2025
JEEP GRAND CHEROKEE L2025

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
S26210000042026-10-07. Service bulletin. The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward Transmission Engagement. The Tech May Find Damaged and/or Worn Transmission Output Shaft Splines (850RE Transmission Only)
21-041-26 REV. A2026-07-02. Service bulletin. Transmission Auxiliary Oil Pump Failure Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set **one or more the following Diagnostic Troubles Code (DTCs): ● U0287-00 - Lost Communication With Transmission Fluid Pump Module 1.** ● P0B0D-00 - Electric/Auxiliary Transmission Fluid Pump Motor Control Module. Customers may also comment on the following: ● Vehicle is in limp mode. This bulletin involves replacing the transmission oil pump.
21-041-262026-05-20. Service bulletin. Transmission Auxiliary Oil Pump Failure Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P0B0D-00 - Electric/Auxiliary Transmission Fluid Pump Motor Control Module. Customers may also comment on the following: ● Vehicle is in limp mode This bulletin involves replacing the transmission oil pump.
S2621000003 REV.A2026-03-18. Service bulletin. The vehicle will exhibit a service transmission/check engine warning indicator for the following transmission models: 845RE, 8HP45, 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV, 8HP75-LCV, 8HP90, 8HP95. Transmissions may exhibit the following diagnostic codes: P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13.
S26210000032026-03-05. Service bulletin. Service transmission/check engine warning indicator for the 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV transmissions that have fault codes P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13.
S2521000004 REV.B2026-01-21. Service bulletin. 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. SWITCH - TRANSFER CASE, RIDE HEIGHT, TERRAIN SELECT
1090112025-12-23. Service bulletin. VALVE BODY & CONTROL UNIT – TRANSMISSION
S25210000052025-12-23. Service bulletin. The customer states the ABS and Traction Control warning comes on. Vehicle sets wheel speed BSCM/ABS fault codes.
S25210000042025-11-19. Service bulletin. The customer is experiencing a "clicking" noise during turns while driving on WL vehicles