"Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp...

Bulletin number

18-063-24

Component

Power train

Summary

"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): ● P06DD - Engine Oil Pressure Control Circuit Performance/Stuck Off. ● P00F3 - Humidity Sensor Circuit Range/Performance. Customer may also experience one or more of the following: ● Customers may experience coasting complaints at lower speed. ● Undesirable vehicle drivability behavior causing a vehicle Shift to Park event during Engine Stop Start (ESS) while Adaptive Cruise Control (ACC) is active. ● Pressing ACC button while ESS active can shift the vehicle to park. ● Idle speed oscillations observed when in Snow and Mud modes. ● Poor engine performance (undershoots engine speed) for ESS and for non-ESS engine start. ● Screen two incorrectly pops up on the Instrument Cluster Panel (IPC) for 5 seconds during Terrain and Rock mode. This bulletin involves reprogramming the PCM with the latest available software."

Owners of these vehicles have filed 15 complaints in the transmission category.