Question about 2007 GMC Acadia SLE
I have a no start with this 07 acadia, anti-theft light is on solid on instrument cluster/dash. there is no power to the module. 3 wires go to module - red/white for power, black white for ground, and brown for data. In need of help please. is there a known broken wire or known fix for this issue, I cannot find anything on the tech forums. any help would be greatly apprechaited. Thanks.
Not sure.Go to my.cardone.com It has GM Vehicle Thief Deterrent instructions,I hope you find the solution.
Posted on May 11, 2014
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Posted on Jan 02, 2017
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The column-mounted theft deterrent module with integrated antenna
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Important: The transponder values are not readable and can not be serviced separately.
Theft Deterrent Module The theft deterrent module contains the software for controlling the VTD System. The theft deterrent module uses the following inputs and outputs to control the VTD system.
Battery voltage from the underhood fuse block PCM/BATT fuse, circuit 240 (ORN).
Ignition start voltage from the ignition switch, circuit 1390 (WHT).
Ground, circuit 450 (BLK).
Outputs Password exchange with the PCM (fuel enable), class 2 message circuit 1807 (PPL).
Powertrain Control Module (PCM) The PCM verifies that the passwords received from the theft deterrent module via the class 2 serial data line are valid. If a password is invalid the PCM disables the fuel delivery system. If the password is valid the PCM enables the fuel delivery system.
Starter Relay The starter relay is controlled by the PCM module via class 2 serial data (CKT 1807 PPL). If the theft deterrent module measures the correct transponder value, the PCM module switches the starter enable control (CKT 447 YEL) to ground. The relay is energized if the ignition switch is in the START position and the gear selector is in the PARK or NEUTRAL positions.
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