This 2004 Cadillac CTS came in with the complaint that the ignition switch would not fully turn off. The engine started and ran normally and could be turned off but the key would stop rotating as if the shifter was still in gear. As a result the battery would go dead. First things first if … Continue reading “2004 Cadillac CTS Ignition Will Not Turn Off Completely”
This 2011 Cadillac DTS came in with the complaint that the battery will go dead if the car sits for more than 12 hours. I traced the drain to the Driver’s Door Module fuse (DDM) in the rear underseat fuse block. I used an amp meter connected in series between the battery negative terminal and … Continue reading “2011 Cadillac DTS, Battery Goes Dead Overnight”
This 2000 Cadillac Deville came in with the complaint that the anti theft system lights and messages were on but the vehicle always cranked up just fine. Of course when the vehicle was dropped off at my shop all of the lights were out and everything was normal. I did a code check and … Continue reading “2000 Cadillac DeVille, B1009 Anti Theft Warning Message and Security Light On”
This 2003 Cadillac STS came in with battery issues and this is what I found under the back seat where the battery is located. That is a lot of corrosion from a leaking battery. A battery needs to be looked at on a semi regular basis and inspected for corrosion, loose connections, loose mounts and … Continue reading “2003 Cadillac STS Battery Tray Corrosion”