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Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? **P1CEA-00 - Boost Side EVAP Purge System Performance.** ? P2300-00 - Ignition Coil A Primary Control Circuit Low. ? P2303-00 - Ignition Coil B Primary Control Circuit Low. ? P2306-00 - Ignition Coil C Primary Control Circuit Low. ? P2309-00 - Ignition Coil D Primary Control Circuit Low. ? P1CEA-00 - Boost Side EVAP Purge System Performance. This bulletin involves reprogramming the PCM with the latest available software.