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 DTCs set in
the PCM memory:
U1424 - Implausible Engine Torque Signal Received (2017 MY 3.0L and 3.6L
Only).
P2681 - Engine Coolant Bypass Valve Control Circuit Open (3.6L Only).
P0335 - Crankshaft Position Sensor Circuit.
P2299-00 - Brake Pedal Position/Accelerator Pedal Position Incompatible.
B23C3 - Stop/Start Disable Switch 1/2 Correlation (3.0L and 3.6L Only).
In addition, customers may experience the following conditions:
A shorter auxiliary battery life.
An illuminated Automatic Oil Change Indication (AOCI) light (3.6L Only).
Other enhancements included in this update:
Improved knock sensor performance.
