18-077-26

Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC):
• P0300 - Multiple Cylinder Misfire. Customers may experience one of the following:
• Vehicle runs rough on initial cold start only after an overnight or extended soak. **This bulletin involves reprogramming the PCM with the latest available software.**