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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 434 (Exterior Lighting System) >> Diagnosis And Testing >> Reversing Lamps >> Pinpoint Tests >> Pinpoint Test Y: The Reversing Lamps Are On Continuously >> Automatic Transmission

Automatic Transmission

WARNING: This page is about a different car, the 2013 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.

The PCM monitors the gear status from the transmission. When the transmission is in REVERSE (R), a message is sent to the BCM-B. If any gear status concerns exist, the PCM sets a DTC and the wrench indicator turns on.

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