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

Bulletin number

18-026-26

Component

Power train

Summary

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P152F – Engine Hood Switch 2 / Engine Hood Switch 1 Correlation. Customers may also comment on one or more of the following: ● Engine Start/Stop feature is inoperable. ● Battery depletes. ● Rough shifting while driving. ● Poor vehicle response and drop in engine speed when making light changes to the accelerator pedal position. ● Drop in engine speed when in 5th gear and decelerating. ● Engine RPM drops during the coast down or braking. This bulletin involves reprogramming the PCM with the latest available software.

Owners of these vehicles have filed 74 complaints in the transmission category.