PCM Replacement, MIL Illumination / DTCs P0300, P030X or P23XX This bulletin involves replacing the...

Bulletin number

18-069-16

Component

Power train: automatic transmission: control module (TCM/PCM/tecm)

Summary

PCM Replacement, MIL Illumination / DTCs P0300, P030X or P23XX This bulletin involves replacing the Powertrain Control Module (PCM) and re-flashing with the latest available software. The customer may describe an engine misfire, and runs rough. In addition customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · 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. · P2302 - Ignition Coil 1 Secondary Circuit - Insufficient Ionization. · P2305 - Ignition Coil 2 Secondary Circuit - Insufficient Ionization. · P2308 - Ignition Coil 3 Secondary Circuit - Insufficient Ionization. · P2311 - Ignition Coil 4 Secondary Circuit - Insufficient Ionization. · P2314 - Ignition Coil 5 Secondary Circuit - Insufficient Ionization. · P2317 - Ignition Coil 6 Secondary Circuit - Insufficient Ionization.

Owners of these vehicles have filed 306 complaints in the transmission category.