HowToRepairGuide.com: Trunk will not close all the way

Lincoln Town Car trunk will not close all the way down,it will just make some clicking noise, but will not go down.

Inspect the bottom hook of the trunk,it should raise up when you hit the keyfob.

And in the same way it should go lower too,when you hit the keyfob.

If there is no movement to the hook,then it seems the issue with motor,which moves the hook up/down.

As per our garage repair experience with other car models,

The most common cause of the problem you are having is a defective Luggage compartment lid solenoid. Before replacing any parts, I do recommend proper testing first.

Go through the details explained below:-----

The Luggage Compartment (TRUNK) Lid Release Is Inoperative/Does Not Operate Correctly

Normal Operation And Working Of Trunk For 2009 Lincoln Town Car

First the power is required to the trunk lid.That comes from a battery.The battery provides power to the fuse.

The Battery Junction Box (BJB) fuse 8 (20A) provides voltage for the power lock/unlock system and to the luggage compartment lid latch (on vehicles without power luggage compartment lid release).

Next the voltage to the Trunk switch.

The voltage is supplied to the Driver Door Module (DDM) through circuit 1213 (WH/LB). The luggage compartment lid release switch receives voltage from the Central Junction Box (CJB) through circuit 1524 (DB). When the luggage compartment release switch is pressed, voltage is supplied through the switch to the DDM through circuit 26 (WH/VT).

PLEASE NOTE:--- POWER LUGGAGE COMPARTMENT LID IS OPTIONAL.

So how the system works for both case

For vehicles not equipped with a power luggage compartment lid, the DDM supplies voltage through circuit 605 (RD) to the luggage compartment release solenoid, releasing the luggage compartment lid. The luggage compartment lid release solenoid is grounded through circuit 57 (BK).

For vehicles equipped with a power luggage compartment lid, the DDM sends a ground signal to the Liftgate/Trunk Module (LTM) on circuit 1237 (LG/RD) to open or close the luggage compartment lid.

Other very important details about trunk system working:----

The luggage compartment lid release switch is disabled when the perimeter alarm is armed.
Once the perimeter alarm is disabled, the luggage compartment lid can be released from the release switch.

DTC B1553 (Decklid Release Circuit Short To Battery) — a continuous and on-demand DTC that sets when the DDM detects a short to voltage on the luggage compartment lid release switch input circuit 26 (WH/VT).

The DTC is also set if the luggage compartment lid release switch is pressed for longer than 2 minutes.

DTC B2718 (Liftgate/Decklid Ajar Output Short to Battery) — a continuous and on-demand DTC that sets when the DDM detects a short to voltage on the luggage compartment lid release output circuit 605 (RD).

DTC B2703 (Open/Close Switch Stuck Active) — a continuous and on-demand DTC that sets when the LTM detects a short to ground on the open/close input signal circuit 1237 (LG/RD).

So to confirm the issue with Luggage compartment lit not operating properly,its suggested to inspect and test these components.

Fuse
Wiring, terminals or connectors
Luggage compartment lid release solenoid (part of the luggage compartment lid latch)
Luggage compartment lid release switch
DDM
LTM

FOR YOUR HELP DRIVER DOOR MODULE WIRING DIAGRAM

See the DDM to trunk lid switch location diagram:----

door module switch