18-026-26

Flash: Powertrain Control Module (PCM) Updates **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):**
• **P152F – Engine Hood Switch 2 / Engine Hood Switch 1 Correlation.** **Customers may also comment on one or more of the following:**
• **Engine Start/Stop feature is inoperable.**
• Battery depletes.
• Rough shifting while driving.
• Poor vehicle response and drop in engine speed when making light changes to the accelerator pedal position.
• Drop in engine speed when in 5th gear and decelerating.
• Engine RPM drops during the coast down or braking. This bulletin involves reprogramming the PCM with the latest available software.