Drivetrain Control Module (DTCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL)...

Bulletin number

08-031-26

Component

Electrical system

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.

Owners of these vehicles have filed 137 complaints in the electrical category.