LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2012 >> Explorer Base, 3.5 8, AWD, 6F50 >> Repair and Diagnosis >> External Pages >> Different car >> Section 244 (Exterior Lighting System) >> Description And Operation >> Trailer Lamps >> Network Message Chart

Network Message Chart

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

Broadcast Message Originating Module Message Purpose
Headlamp switch status FLM  Indicates the headlamp switch position to the BCM  . When the BCM  has turned the parking lamps on based on input from the FLM  , voltage is also provided to the trailer tow parking lamp relay.
Turn signal switch_status SCCM  Indicates the turn signal stalk position on the multifunction switch (left/right lane change or turn signal on or off) to the BCM  . The BCM  activates the left/right trailer tow stop/turn relays based on this input.
Selector lever (PRNDL) status PCM  Indicates to the gear selector lever position to the BCM  . When the selector lever is in REVERSE and the ignition in RUN, the BCM  provides voltage to the trailer tow reversing lamp relay.