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

Bulletin number

18-004-24 REV. B

Component

Power train

Summary

"Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ● P00F3-00 - Humidity Sensor Circuit Range-performance. ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking. ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/Stuck Off. ● P0461-00 - Fuel Level Sensor ""A"" Circuit Range/Performance. ● P051B-00 - Crankcase Pressure Sensor Circuit Range/Performance. ● P2F64-00 - Ion Sense Feedback Circuit A. ● P0331-00 - Knock Sensor 2 Circuit Range/Performance. ● P0300-00 - Multiple Cylinder Misfire. ● P2C90-00 - Crankcase Ventilation System - Hose ""A"" Disconnected. ● P0011-00 - Bank 1 Camshaft 1 Position Timing Over Advanced Or System Performance. ● P0604-00 - Internal Control Module Random Access Memory Ram Error. ● P060C-00 - Internal Control Module Main Processor Performance. Customers may also comment on the following: ● Undesirable vehicle drivability behavior causing the a 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. ● Vehicle performance complaints when coasting at lower speeds. This bulletin involves reprogramming the PCM with the latest available software."

Owners of these vehicles have filed 24 complaints in the transmission category.