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

Bulletin number

21-008-25

Component

Power train

Summary

"Flash: Transmission Control Module (TCM) 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): ● P1614-00 - ECU Reset/Recovery Occurred. ● P0810-00 - Clutch Position Control Error. Customers may also comment on one or more of the following: ● Customer may not continue with rock cycle maneuver due to the wrong message ""Shift To P then Desired Gear"" displayed on the Instrument Panel Cluster (IPC). ● K0 Adaptation routine runs when vehicle stationary and EV Mode. ● Vehicle loses propulsion capability. ● Service transmission warning indicator is on. NOTE: Requires key cycle to recover. This bulletin involves reprogramming the TCM with the latest available software."

Owners of these vehicles have filed 36 complaints in the transmission category.