Flash: 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. Upon further investigation the
technician may find the following Diagnostic Trouble Code (DTC) set
in the PCM memory:
U1424-00 - Implausible Engine Torque Signal Received.In addition to the above DTC, this software release also
includes:
Update Throttle Position Sensor (TPS) relation to the
Accelerator Pedal Position (APP) sensor to fix ?Electronic Throttle
Control (ETC) pedal follower test? within wiTECH which is not
functional on some vehicles. Normal engine running throttle control
is not impacted by this update.
Improved transmission shifting during a limp mode.
