2003 Cadillac CTS engine problems
29 owner complaints filed with NHTSA name the engine on the 2003 Cadillac CTS — 9% of all complaints for this model year.
What owners report
“Everything was really grate no problems. My brakes sounds like there is LOTS of AIR Coming from somewhere. My key ignition sometimes want turn over or easy to come out. Than the car started running hot. I've had it looked at Few times and can't seem to fix the problem. I've even brought a new…”
filed Apr 9, 2023
“The contact owns a 2003 Cadillac CTS. The contact stated that when driving at various speeds the vehicle would suddenly stalled and the instrument panel would illuminate. The message stating "starting disabled remove key" would display. The contact stated that they would be able to coast and…”
filed Jul 5, 2022
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how…
16-NA-383 · Service Bulletin/Repair Instructions · issued Jun 28, 2024
Engine problems in other CTS years
| Year | Reports | Share |
|---|---|---|
| 2017 CTS | 1 | 4% |
| 2016 CTS | 4 | 13% |
| 2015 CTS | 4 | 9% |
| 2014 CTS | 8 | 6% |
| 2013 CTS | 7 | 10% |
| 2012 CTS | 6 | 9% |
| 2011 CTS | 13 | 13% |
| 2010 CTS | 10 | 15% |
| 2009 CTS | 49 | 29% |
| 2008 CTS | 22 | 13% |
| 2007 CTS | 22 | 10% |
| 2006 CTS | 28 | 10% |
Other reported problem areas on the 2003 Cadillac CTS
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.