Flash: Powertrain Control Module (PCM) Updates
This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software.
Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set. The customer may also notice one or more of the following:Harsh downshift clunk during exhaust brake decel
