18-109-25

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find one or more of the following Diagnostic Trouble Codes (DTC)s have been set:
• P2450 - Fuel Tank Isolation Valve Stuck Open.
• P1D83 - Implausible Engine Oil Temperature Signal Received. Customers may comment on one or more of the following:
• Fuel Door will not open due to intermittent Fuel Tank Isolation Valve (FTIV) Stuck Open.
• Reduced fuel efficiency. In addition, the following software enhancement is available:
• Hood Switch changes. This bulletin involves reprogramming the PCM, HCP and AHCP, also known as the Power Inverter Module (PIM) with the latest available software