Component description for trailer recognition control unit - GF31.19-P-4050G

MODEL 463.306/336/346 with CODE (Q55) Trailer hitch with reinforced low ball head as of Model Year 2011/YoM 10 

MODEL 463.202/222/236/237 with CODE (Q55) Trailer hitch with reinforced low ball head as of Model Year 2009/YoM 08 

MODEL 463.247/248/249/254 up to 31.8.08 with CODE (Q55) Trailer hitch with reinforced low ball head as of Model Year 2007 

MODEL 463.270/271/303/340/341 with CODE (Q55) Trailer hitch with reinforced low ball head as of Model Year 2007 

Location 

The trailer recognition control unit is located behind the cover panel, on the side in the left of the load compartment, on the wheel well.

Task 

• Trailer recognition
• Controls the trailer lighting

Direct entries 

• Terminal 15
• Terminal 30
• Terminal 31

Direct outputs 

• Stop lamp
• Rear foglight
• Reversing lamp
• Left/right turn signal lamp
• Left/right tail/license plate lamp

Controller Area Network (data bus/CAN bus) signals 

The trailer recognition control unit is an interior CAN (CAN B) user.