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

Bulletin number

18-025-25

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): ● P0629 - Fuel Pump Control Circuit High. ● P0171 - Fuel system Lean. ● P0087 - Fuel Rail Pressure Too Low – Bank 1. ● P16F0-00 - SPI Comm Hardware Fault. Customers may also experience one or more of the following: ● Engine No Start. ● The rear shafts can be damaged from pressing the accelerator while in gear with the Electronic Parking Brake (EPB) applied. ● Oxygen sensors can give wrong values entering EV mode. False fault detection is possible. ● The Instrument Panel Cluster (IPC) is unable to calculate the instantaneous fuel economy when under heavy acceleration. ● Variable Speed Fuel Pump doesn’t operate after refuel This bulletin involves inspecting and possibly updating the PCM with the latest available software. "

Owners of these vehicles have filed 55 complaints in the transmission category.