08-261-24

"Flash: Motor Control Processor A (MCP A) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC):
• P1626-00 - Park Pawl Motor Stuck. Customers may also comment on one or more of the following:
• Wrench lamp on in the Instrument Panel Cluster (IPC).
• Not able to move the shifter out of Park.
• Vehicle has reduced power. This bulletin also includes the following software enhancement:
• Software enhancement to prevent erroneous fault identification resulting in inverter shutdown. This bulletin involves reprogramming the BPCM, MCP A, MCP B and the EVCU with the latest available software and then performing a Wheel End Disconnect Position Learn routine."