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Door Module|Service and Repair > < GF72.29-P-4141GZ Left Front Door Control Unit, Component Description|Page 453
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Door Module: Description and Operation
GF80.20-P-1003GZ Rear-End Door Closing Control Unit, Component Description

GF80.20-P-1003GZ Rear-end Door Closing Control Unit, Component Description

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with CODE (890) Automatic rear-end door

Location

The tailgate closing control unit is located in the right area of the spare tire well.

Task

The rear-end door closing control unit is the master control unit for the rear-end door remote actuation and is connected to the controller area network
bus class B (passenger compartment) (CAN-B) to exchange data.

The following components are read in discretely

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Tailgate opening angle recognition sensor (B24/16)

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Left tailgate closing obstruction sensor strip (B86/1)

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Right tailgate closing obstruction sensor strip (B86/2)

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RWTS button (S62/26)

The following components are actuated discretely

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tailgate closing warning buzzer (H4/60)

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Tailgate hydraulic pump (M51/1)

Storing positions

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Upper and lower end positions (synchronization of tailgate)

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Opening angle limitation (garage position)

Door Module|Service and Repair > < GF72.29-P-4141GZ Left Front Door Control Unit, Component Description|Page 453