Service Theft Deterrent/Traction Control lights are on and Temp/Gas gauges inop.

Asked by Jul 23, 2017 at 10:48 PM about the 2007 Cadillac CTS 3.6L RWD

Question type: Maintenance & Repair

I need help anyone know the fix?  Possible ecm?

4 Answers

315

Have your battery tested. A battery that is not fully functional will cause your an array of issues.

THANK YOU FOR A REPLY :O) The Battery was replaced three weeks ago and is fully charged It is reading 12.63v with my DVM and the Alternator output is 14.88v

I hooked up a basic scan tool The coolant temp reads fine on my scanner The gas gauge reads tank % on scan tool . thinking bad ecm or cluster?

it's the fuse box. You need to have it removed and reseated then you do an ECM reset . if you want to reset the ECU or ECM, here is the good and safe way to do it: First you,ve got to know that your ignition switch has 4 different positions; "A", "B", "C" and "D". "A" = fully off (you can pull out your key), "B" = off (you can't pull out your key), "C" = ON (all the lights are ON in you dash board), "D" = cranking position. 1.- Turn the ignition switch to "A" or "B" position if "A" is not possible. 2.- Remove the fuse panel lid. (The fuse panel should be in the engine compartment, passenger side, near the radiator) 3.- Pull out the fuse labeled "ECM" or "ECU" (You may use a pair of long nose plyers or the small plastic tool that's allready in the fuse box) (The inside of the fuse panel li d shows a chart indicating where each fuse is located) 4.- Turn the ignition switch to "ON" (position "C") (be carefull not to go as far as cranck position "D"). 5.- Leave it like that and wait at least 5 minutes. 6.- Turn the ignition key to "OFF" position ( it should go to "A" position) 7.- Replace the fuse carefully into its slot in the fuse panel. Press it down until it is fully inserted. Replace the fuse box cover Good luck to you. apps2buy@gmail.com

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