18-024-17

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.