Jeep Grand Cherokee 2025 — technical service bulletin
Bulletin 08-030-26 · NHTSA communication 11028224 · issued Jan 30, 2026
Technical service bulletin
communication type
Electrical System
component
2025
model years
2
vehicle entries
Official summary
Drivetrain Control Module (DTCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must 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.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.