18-041-24

"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. Customers may also experience the following:
• The engine runs rough. This bulletin involves reprogramming the PCM with the latest available software."