Flash: 3.6L 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 a Malfunction Indicator Lamp (MIL)
illumination and/or one of the following conditions. Upon further investigation, a technician
may find the following Diagnostic Trouble Code (DTC) stored in the Anti-lock Brake
System (ABS) Module memory:
NOTE: The Diagnostic Trouble Code (DTC) is caused by a calibration in the PCM
that is in conflict with the ABS Module programming. The new software flash
will correct this issue.
· C121C-00 - Torque Request Signal Denied.
