18-098-15

Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience bucking under hard acceleration. In addition other 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: ? P20C2-00 - Reductant Heater 3 Control Circuit Performance. ? P1296-00 - EGR Slow Response - Increasing Flow. ? P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Timing Control. Upon further investigation a technician may find the following Diagnostic Trouble Code (DTC) set in the Transmission Control Module (TCM) memory: ? U1424-00 - Implausible Engine Torque Signal Received.