18-090-25

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• P08A6 - Gear Lever Position Sensor System - Multiple Sensor Correlation.
• P152F - Engine Hood Switch 2 / Engine Hood Switch 1 Correlation. Customers may also comment on one or more of the following:
• Service Transmission message on in the Instrument Panel Cluster (IPC) due to clutch slip detection with the transfer case in neutral.
• Clutch is overheating.
• Clutch is slipping on engagement.
• Inability to accelerate uphill.
• Vehicle does not start.
• Vehicle is stuck in limp-home mode. This bulletin involves reprogramming the PCM with the latest available software.