08-031-26

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.