18-035-26

Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation SYMPTOM: the technician must find one or more of the following Diagnostic Trouble Codes (DTCs) have been set:
• P0300 - Multiple Cylinder Misfire.
• P0301 - Cylinder 1 Misfire.
• P0302 - Cylinder 2 Misfire.
• P0303 - Cylinder 3 Misfire.
• P0304 - Cylinder 4 Misfire.
• P0305 - Cylinder 5 Misfire.
• P0306 - Cylinder 6 Misfire.
• P0307 - Cylinder 7 Misfire.
• P0308 - Cylinder 8 Misfire.
• P0420 - Catalyst System Efficiency Below Threshold Bank 1.
• P0430 - Catalyst System Efficiency Below Threshold Bank 2. Customers may comment on or experience the following:
• A rough idle condition. This bulletin involves reprogramming the PCM with the latest available software.