Chart 8 - B3267 - Trunk Release Output Circuit Low

Diagnostic Chart 8:

Schematic:

The decklid/liftgate release is controlled by the body control module (BCM) providing battery voltage to the release solenoid by circuit 382. The BCM limits the amount of time the solenoid can be activated to 750ms to prevent damage to the solenoid. Reactivation may not be allowed for as much as 30 seconds.

When the BCM receives a request to activate the decklid/liftgate release solenoid it switches circuit 382 to battery to provide battery to the solenoid. Ground is provided to the solenoid by circuit 550.

DTC Parameters
^ Decklid/liftgate release requested.
^ Circuit 382 shorted-to-ground.

Diagnostic AIDS
^ When a shorted-to-ground condition exists in circuit 382 and decklid/liftgate release has been requested, the BCM will attempt to switch circuit 382 to battery voltage. High current flow will result and the BCM will go into a protective state. The BCM output will not allow itself to be activated for as much as 3 minutes.
^ Inspect wiring harness for damage. Check for broken or chaffed insulation.
^ If fault is suspected to be intermittent, wiggling harness wiring may help in locating fault.