TSB Document:

Affected Component: ELECTRICAL SYSTEM

Summary
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.

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Date Published
MAY 11, 2016
NHTSA TSB #
10228115
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