2006 Cadillac CTS: check engine light

6 of the 269 complaints about the 2006 Cadillac CTS describe check engine light.

owner complaints: 6
of this car's complaints: 2%
typical mileage: 112,000
recalls: 0

Is there a fix? 105 service bulletins cover this area of the car. See below

Check engine light by model year

2019
2
2017
2
2015
2
2014
2
2013
2
2012
2
2011
1
2010
3
2009
29
2008
14
2007
7
2006
6
2005
7
2004
3
2003
6

What owners say

Filed Oct 25, 2021 · Airbags, Engine · OK

Thank these things i feel cadilac should consider fixing due to milage before and after i purchased the cadilac due to the miles before and after purchase. Due to being 100% disabled since 2009, Air bag & safety belt system light comes on when i have onstar diagnose the problem they said it has something to do with my seat belt system on passenger side which mind you isnt used often at all and cadilac will not help with the cost and was told by onstar it needs repairs asap because it could cause air bags to pop out while driving or not come out during a crash. Im afraid some times driving it. In the 7yrs of owning this i maybe put around 40,000 miles on the car its in good condition. Which lead me to the other problem due to miles. When i purchased the cadilac a few days later the check engine light came on it was the catalytic converter it was almost $800 it has two of them the dealer repaired it. Here the other day i had onstar do a complete system scan and the report showed the converter was in the process of going out again but just hasnt triggered my check engine lite. I was shocked because of the miles i drivewhich is under 6000 miles a yr and i use top grade fuel there isnt any way these converters should be going out they should have lasted for the rest of my life and the cars life i take very good care of it changing the oils on a regular bases and other cares are met but when talk to cadilac they didnt even consider my care and miles driven at all or find out why tne converter is needed twice since i owned the car when most cars never need converter replacement. Im 62 yrs old, these are concerns i have but mostly the treatment by cadilac (GM) the safety part being on passenger side that seat never hardly get used but could cause air bags to open while driving and two convertersin 6-7 years of ownership when most cars never need one and othhers just once. Which tells me theres a problem some where else causing it to not work properly, but it didnt matter.

Filed May 17, 2016 · Airbags, Electrical · 114,720 miles · IA

Tl* the contact owns a 2006 cadillac cts. While driving 50 MPH, the speed decreased without warning, as if the brakes had been depressed. The vehicle came to a complete stop without warning. The contact was able to accelerate the vehicle by applying pressure to the accelerator pedal. Furthermore, the check engine light illuminated and the air bag light remained illuminated and flickered continuously. The vehicle was taken to a dealer to be diagnosed. The vehicle was not repaired. The manufacturer was not made aware of the issue. The VIN was invalid. The failure mileage was 114,720.

Filed Sep 21, 2015 · Engine, Transmission · 150,000 miles · MS

Tl* the contact owns a 2006 cadillac cts. While driving at approximately 60 MPH, the accelerator pedal was depressed but the vehicle decelerated and was not able to exceed 40 MPH. The engine warning light illuminated and the electronic engine reduced message displayed. The failure recurred intermittently. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 150,000.

Filed Jan 23, 2014 · Engine · 75,000 miles · FL

Check engine light came on and the cadillac dealer as well as two independent shops gave the same diagnosis -- the timing chains [3] had evidently 'stretched' -- no recall, no warranty -- only $1,500.00 out of my pocket -- who ever heard of such a dumb thing, this is not a toyota with timing belts -- I am truly disgusted, that's the end of cadillacs for me --

Filed May 30, 2013 · Engine · 112,000 miles · FL

Tl* the contact owns a 2006 cadillac cts. The contact stated that while driving 45 MPH, the vehicle stalled without warning while the check engine light illuminated. The vehicle was towed to the dealer for diagnosis where it was stated the engine needed to be replaced. The vehicle was not repaired and the manufacturer was notified. The approximate failure mileage was 112,000.

Filed Aug 28, 2012 · Electrical · 102,747 miles · IL

While waiting to make a right on red (one car was in front of me) the engine shut off . It had been running fine for the entire morning commute up to this point. This may be related to an intermittent situation I have had for 6 mos. Over the course of 6 mos. There have been four instances where the car stuttered for a second (check engine came on for 2 sec). Took the car to a nearby cadillac dealer for service but they could not pin point the problem nor reproduce it.