Pinpoint Tests - OSC Equipped Vehicle: P0657: Testing
WARNING: This page is about a different car, the 2008 Ford Pickup, 2008 Ford F550 Super Duty, 2008 Ford F450 Super Duty, and 2008 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
Power to all solenoids has been interrupted. CHECK for opens, short to ground and the harness disconnected. REPAIR as required. When Actuator Supply Voltage A is commanded OFF as a Failure Mode Effect Management action, CHECK all solenoids for correct function as listed in the band, clutch, solenoid and switch application chart. For additional information on diagnosing PCM concerns, refer to the INTRODUCTION - GASOLINE ENGINES article or INTRODUCTION - 6.4L DIESEL ENGINES article.