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

Bulletin number

08-142-24

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): ● P1129 - Closed Loop Fueling Not Achieved - Bank 2 Upstream. ● P0158 - O2 Sensor 2/2 Circuit High. ● P0152 - O2 Sensor 2/1 Circuit High. ● P2504 - Charging System Output High. ● P0563 - Battery/system Voltage High (eTorque). Customers may also comment on the following: ● Customer finds Check Engine Light on and vehicle runs rough. This bulletin involves reprogramming the PCM with the latest available software."

Owners of these vehicles have filed 182 complaints in the transmission category.