20 Most Recent 2005 Cadillac CTS Questions & Answers


Will not start how ? Turning the key to start ,what happens ? Does the starter engage an spin the engine but won't start an run or nothing happens .

2005 Cadillac... | Answered on Feb 25, 2019


The dimming fuse supplies battery positive voltage to the license lamps, underhood lamp and to the dash integration module (DIM) park lamp input, for interior lamps dimming.
Dimming fuse 10 amp. under hood fuse box. the park lamp relay supply's battery power to that fuse .

2005 Cadillac... | Answered on Feb 03, 2019


miss fire check coils or plugs

2005 Cadillac... | Answered on Jul 01, 2018


This is kind of an usual code to get it says E.C.S vent valve solenoid malfunction but it says a VENT the only real vent is the gas cap I would check that first not that isn't venting out its not venting in to the system .
I can't say for sure I haven't seen it but it could be the problem .

2005 Cadillac... | Answered on Apr 07, 2018


when key is turned there is a single click and then nothing happens. Where do you hear this click coming from ? Before you replace parts you should test the electrical circuits , if you don't know how i suggest you take it to a qualified repair shop .
Viewing wiring diagrams to see what all is involved in the starting of the vehicle , reading how it's suppose to work in factory service repair manual .
Moving the ignition switch to the START position sends a 12-volt signal to the engine control module (ECM) to command starting. Battery voltage also travels through the switch side of the Run/Crank relay then through the clutch switch, if equipped with manual transmission, and on through the coil side of the Starter relay and then to the ECM. The ECM receives class 2 information from the vehicle theft deterrent (VTD) and transmission control module (TCM) to verify that all parameters are met for starting. When all parameters are met the ECM grounds the control circuit of the Starter relay closing the switch providing battery voltage to the starter solenoid through a 30 A Maxi-Fuse.

Are the battery cables good ? Voltage drop testing

Starter Voltage Drop

Test the control side of the circuit at the relay . Free wiring diagrams here http://www.bbbind.com/free-tsb Enter vehicle info. year , make , model an engine size . Under system click on engine .Then under subsystem click on starting . Click the search button then the blue link . Pretty complex looking isn't it . Using a factory scan tool at the dealer makes diagnosing a lot simpler . Can view data to the PCM , start signal from the ignition switch , Starter relay control , see input from transmission park neutral safety switch .

2005 Cadillac... | Answered on Feb 28, 2018


Could be your cat is clogged up

2005 Cadillac... | Answered on Jan 21, 2018


Your mechanic caused this. Take it back and have them fix it.
Major work like this done at a dealer will also get you a 12 month - 12,000 mile warranty.

2005 Cadillac... | Answered on Jan 19, 2018


change or check the break unit you can do calibration

2005 Cadillac... | Answered on Nov 20, 2017


behinde the exuest the first sensor after the engine *(sensor 1)

2005 Cadillac... | Answered on Nov 20, 2017


injector number 4 problem in cirucit

2005 Cadillac... | Answered on Nov 20, 2017


the clutch is the cheapest option and clutch fluid or cable is the first point to check indicates that the clutch is not properly disengaging with the foot on the pedal and that is loading up the gears making shifting difficult or impossible

2005 Cadillac... | Answered on Nov 06, 2017


If it's the original battery, it's 12 years old and way beyond it's useful life. If replaced once, the second battery is probably near the end of its life, five to six years

If you're near a Wal-Mart super store, get a new battery installed if the other is old, five to six years They have good prices and top rated batteries by CR. While you're there and if it's -25 (C or F since the scales are concurrent about that point) go to snack shop and warm up with a nice hot cocoa or hot cup of coffee. Sometimes its free in the customer lounge.

Good Luck

2005 Cadillac... | Answered on Sep 22, 2017


Sounds like you may have to bleed your brakes. Could be an air lock.

2005 Cadillac... | Answered on Aug 27, 2017


Take it by a parts store they will test the battery an charging system .

2005 Cadillac... | Answered on May 09, 2017


this sounds like a loose connection to these controls, have you had any work done on your vehicle recently? If you have this may have caused a connection to become loose , whilst the work was carried out, if not then i would check the connections to the various components and make sure they are pushed together properly, this will involve removing the lower dash panel , you have'nt mention vehicle so this is a general way to proceed, trace the wire looms back from the component and check each connection as you find them , hope this helps

2005 Cadillac... | Answered on May 06, 2017

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