18-027-26

Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, SYMPTOM: a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set:
• **P152F - Engine Hood Switch 2 / Engine Hood Switch 1 Correlation.**
• U0418-00 - Implausible Data Received From Brake System Control Module 1.
• P061A - Level 2 Torque Performance. Customers may also experience one or more of the following:
• **Engine Stop/Start (ESS) is inoperable.**
• Battery depletes.
• Rough shifting while driving.
• Driveline bumps and rumbles when lightly applying the accelerator pedal in traffic or at other low vehicle speeds such as parking lot maneuvers.
• Transmission hard upshifts, rough/bump during low gear 1-2 and 2-3 at 40-64 kph (25-40 mph). This bulletin involves reprogramming the PCM with the latest available software.