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The rear compartment lid release system consists of the following components:
• Body control module (BCM)
• Folding top cover actuator
• GMLAN serial data link
• Keyless entry transmitter
• Rear compartment lid ajar switch
• Rear compartment lid release actuator
• Rear compartment lid release switch
• Remote control door lock receiver (RCDLR)
• Trunk fuses
• Trunk release relay
Rear Compartment Lid Release System Operation
The rear compartment lid can be released by operating the rear compartment lid release switch or pressing the rear compartment lid release button on the keyless entry transmitter. When the rear compartment lid release switch is operated, the rear compartment lid release switch signal circuit to the body control module (BCM) is switched to ground. The BCM receives the rear compartment lid release switch input and applies ground to the trunk release relay control circuit. This energizes the trunk release relay coil, closing the switch side contacts, allowing battery voltage to be applied to the rear compartment lid release actuator and folding top cover actuator, releasing the buttresses and opening the rear compartment lid. Ground for the rear compartment lid release switch is provided at G300. The rear compartment lid ajar switch, rear compartment lid release actuator, and folding top cover actuator are provided ground at G301. The rear compartment lid will not release until the vehicle speed is zero and in park.
Do you know what DTC'S - diagnostic trouble codes are ?
DTC B3265 01 : Trunk Relay Output Short to Battery
DTC B3265 06 : Trunk Relay Output Short to Ground or Open
Do you know what a relay is an how it works ? TRUNK release relay located in the underhood fuse / relay box. VEHICLE RELAYS Operation Diagnosis
You can try to remove the trunk switch and cross the two wires on the back of the switch if the switch is bad. If that does not work put 12volts to one wire and ground the other to the metal of the car. If the latch release is good it should pop open. If the solenoid on the latch is bad your going to need a lock smith.
if the seloniod is ok on the trunk release and if you are mechanically inclined pull the trunk release button from the glovebox and jump between the two wires on the connector, that should open the trunk
The trunk should auto close when you manually lower the lid to the almost closed position, but it is NOT designed to open up fully when you hit the trunk release on the key fob, nor when you open the trunk manually using the touch sensitive button under the lip of the trunk.
Fold down rear seat and climb in the trunk....there is a manual release at the center of the trunk lid. (mandated by the government to kids don't get trapped in the trunk).
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