2007 GMC Yukon, No Crank w/Key, APS997Z

Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=145698
Printed Date: May 02, 2025 at 6:21 AM

Topic: 2007 GMC Yukon, No Crank w/Key, APS997Z

Posted By: kylehondarider
Subject: 2007 GMC Yukon, No Crank w/Key, APS997Z
Date Posted: October 20, 2019 at 12:29 PM

Installing R/S on 07 Yukon, Prestige APS97Z and Flashlogic FLCART. Installed yesterday, everything was working then noticed the car would shut down when started with key. Start/run for 10 sec and then shut down. Remote start worked, security light illuminated on takover. Factory reset FLCART according to flashlogic install guide, then it wouldn't start at all, R/S or key. Re-learned key and r/s will lock, unlock, open hatch but car will not crank with key or R/S.

The security light is on steady when key is turned on. Tried re-learn procedure with key from here with no luck. Stumped and not sure what to do next. Disconnected battery for now, hoping that may help.

Replies:

Posted By: mgoetz74
Date Posted: October 21, 2019 at 11:37 AM

you probably just tripped the vats lock out. put the key in and turn ignition on (don't start) and wait 15-20 minutes leaving the ignition on. turn key off, wait a minutes or so then try

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33 years as a installer now just a retired old guy. Favorite thing to install/topic are remote starts/car alarms. Stop using test lights!!!

Posted By: kylehondarider
Date Posted: October 21, 2019 at 11:56 AM

Thanks for the reply We just figured it out this morning. Stupid simple mistake I accidentally cut one of the PK3 wires. Spliced that back together and everything works