08-031-25 REV. A

Flash: Ignition System Control Module (ISCM) 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):
• P2C30-00 - Ignition Coil Primary Circuit Fuse A.
• P2C31-00 - Ignition Coil Primary Circuit Fuse B. Customers may also comment on the following:
• Engine hesitates/misfires.