Cadillac DTS - Popular Questions, Answers, Tips & Manuals

Question edited for clarity. Question moved to model category.

Cadillac DTS (2005-2011) fuses and relays

Fuse Box Diagrams https://fuse-box.info > cadillac > cadillac-dts-2005-20... Fuse box diagram (location and assignment of electrical fuses and relays) for Cadillac DTS (2005, 2006, 2007, 2008, 2009, 2010, 2011). Some ideas here, but most deal with NO crank, no start. https://www.google.com/search?q=2006+Cadillac+DTS+crank+no+start It is a highly complex vehicle, you need an auto electrician with a pro grade scan tool computer to diagnose what electrics aren't working https://www.google.com/search?q=mobile+auto+electrician+near+me ..

Question edited for clarity and dreadful spelling of 'Cadillac'. Question moved to model category. Yes it does have power steering. https://www.google.com/search?q=2009+Cadillac+DTS+power+steering ..

Hi Joan Whittaker,what does no crank mean. the starter motor is dead? some posters call d crank= running engine. which engine there? cranks fast but will not start. underhood fuse box f24 blown? step 2 after all fuses checked is: shift to Neutral see if that allows cranking per my red circle below is PCM control. is the dash IMMO lamp happy? as you can see the pcm decides to do the cranking or not via its starter relay. if you scanned the PCM it will tell you why it id not start. immo error OR A/t PRNDL (TRS) ERRORS. OOPS the IMMO page in your users guide covers IMMO if key 1 fails try key2, car came with 2 keys new. READ ALL PAGES ON IMMO FIRST If the engine does not start and the Security System Light comes on Security System Light (CLUSTER LAMP ICON LOOKS LIKE CAR CUT IN HALF WITH A PADLOCK, never ignore this lamp. This light flashes when the Theft Deterrent System has been activated. https://www.manualslib.com/manual/1078925/Cadillac-Cts.html?page=256

Question edited for clarity and add maker. Question moved to model category. Check out the videos https://www.google.com/search?q=2008+Cadillac+DTS.+replace+motor+mounts ..

You can't override it. The anti theft system and immobilizer are there to stop exactly what you are trying to do, start the car with a key that is not programmed to the car. You have to fix the problem, not find a way around it. You need to reset it to recognise the key. If you didn't buy a new chipped key, you have a valet key and it won't start the vehicle ever.. https://www.google.com/search?q=1999+Cadillac+DTS+reset+security ..

theirs a positive post on the fuse block from battery

I would have the cooling fans checked. When the car is moving there is air forced through the radiator naturally. But when stopped, the car relies on the fans to pull air through the radiator to pull heat out of the coolant.

• The AIR pump relay--The AIR pump relay supplies high current and battery voltage to the AIR pump. The ECM commands the relay ON by supplying a ground to the relay control circuit. • The AIR CNTRL relay--The AIR CNTRL relay supplies high current and battery voltage to the AIR solenoid. The ECM commands the relay ON by supplying a ground to the relay control circuit. Both of these are in the underhood fuse / relay box. Should be labled

Because you have an electrical short circuit on the wiring that fuse protects . Do yourself a favor an take it to a qualified repair shop. If you don't know why a fuse would keep blowing .

The service and repair manual will provide you step by step help to locate and fix the problem easily and you will get the manual from the given link https://toolsnyou.com

it has to go into the radiator low somewhere, look for the start of it there...the other end may be > the water pump outlet. Usually...unless there is something freaky about the particular one, these rad hoses are clamped either end with either a stiff spring clip clamp, which needs pliers ...or a gear clamp, which needs screwdriver.Have something in place to drain radiator contents into.

no there is not

Need to know what V8 you have. Caddys have many a different firing orders

Try to check for codes using a code reader. It could be the temperature sensor is going out.

it's built into the transmission range selector

Usually a bad secondary air solenoid or a bad AIR pump. Secondary air injection pump trouble code Ricks Free Auto Repair Advice

Have you got the valet switch turned on?

I recently tried the DIY service and repair manuals from a website and it actually helped me repair transmission problem in my jcb 3cx site-master. It would'nt move forward or reverse, engine was good both solenoids for forward and reverse worked, but still couldn't diagnose the problem. I don't have much technical knowledge but I just followed it step-wise, and now it works perfect! covers wiring, codes, diagrams, torque specs, PCV, everything got it from www.reliable-store.com

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It sounds like your transmission is having a problem going into and out of overdrive. In drive if you are not accelerating hard through this range, the transmission should go into overdrive and you should see the engine RPMs drop. A bump can occur if the overdrive solenoid is misbehaving (for example, not releasing promptly when you depress the accelerator or engaging promptly when entering this range). You will not see a code unless the solenoid has failed. You should be able to verify this by watching the RPMs carefully when you feel the shudder.