2003 Cadillac CTS Fuel system Problems
- Complaints
- 11about this part
- Share
- 4%of 313 total for the year
- Median mileage
- 74,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 11 complaints about the fuel system of the 2003 Cadillac CTS, 4% of the 313 complaints for this model year. Where a mileage was given, the median is 74,500 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Driving 70+MPH on freeway in fast lane. Car stop accerlating and no RPM the steeling wheel then locked on me while in the fast lane on freeway. I immediately pulled over restarted the car and was able to move safely off freeway.”
NHTSA complaint #11138940, filed 2018-10, 103,000 miles“The crank and cam sensors have caused the vehicle to stall out while driving or being stopped. I have seen several complaints online regarding this issue in my car and other GM cars. How many complaints have you received for this issue in GM cars. It seems the dealership should have recalled this since it is a well known and documented issue and is a safety issue with cars stalling in the middle of driving and while being stopped. I stalled on a freeway on ramp, at a stop sign and while being parked on the side of the road.”
NHTSA complaint #10865652, filed 2016-05, 70,000 miles“2003 Cadillac CTS - I bought this car on 03/10/07, within 1 month the first failure was due to a transmission control module $370.00. The next failure was a month later when the throttle body assembly went bad $752.12”
NHTSA complaint #10191625, filed 2007-05, 79,000 miles“The contact owns a 2003 Cadillac CTS. After the vehicle was serviced for a routine oil change, it experienced a loss of power. While pulling out of the dealer parking lot at 20 MPH, the contact depressed the accelerator pedal, but the vehicle lost power. The more he depressed the accelerator pedal, the less power the vehicle exhibited. The contact let up off the accelerator pedal and some power returned to the vehicle. The vehicle gradually gained power the more he released the pedal. The dealer reset the fuel injector switch; however, the failure recurred a few days later. …”
NHTSA complaint #10232303, filed 2008-06, 49,900 miles“2003 cadilac CTS. Consumer writes in regards to problems with brake system the consumer stated the metal brake line had to be replaced, due to severe corrosion. The consumer stated he received a recall letter two days later. Also, the struts, three wheel bearings, radiator, transmission cooler line also had to be replaced due to corrosion. The cruise control and gas tank, which was leaking had to replaced.”
NHTSA complaint #10438430, filed 2011-12Related service bulletins
- 11004761Jun 28, 2024This 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…
- 10208027Jan 14, 2022This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester…
- 10199281May 25, 2021This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or…
- 10190437Mar 30, 2021This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible…
- 10176607May 8, 2020This technical 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…
- 10176310May 8, 2020This Preliminary information communicates the use of Winter grade fuel during the warm months of 2020 and the potential rivability issues that it can cause. The ongoing…
- 10171878Jan 2, 2020This informational 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…
- 10157018Sep 20, 2017This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester…
- 10137635May 10, 2017This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up.
- 10114831Nov 15, 2016This Preliminary Information communication provides information to the technician about engine block that have a possible cylinder bore damage, scoring or out of round as the…
Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2019 | 1 | 10% |
| 2016 | 1 | 3% |
| 2014 | 1 | 1% |
| 2013 | 1 | 1% |
| 2012 | 1 | 2% |
| 2011 | 2 | 2% |
| 2010 | 1 | 1% |
| 2009 | 10 | 6% |
| 2008 | 28 | 16% |
| 2007 | 6 | 3% |
| 2006 | 10 | 4% |
| 2005 | 15 | 5% |
| 2004 | 9 | 4% |
| 2003 | 11 | 4% |
Other parts of the 2003 Cadillac CTS
56 complaintsBrakes
47 complaintsEngine cooling
38 complaintsExterior lighting
37 complaintsAir bags
36 complaintsEngine
29 complaintsSteering
28 complaintsTransmission and drivetrain
25 complaintsVehicle speed control
24 complaintsElectronic stability control
22 complaintsBody and structure
22 complaintsOther or unknown
16 complaints
← All problems reported for the 2003 Cadillac CTS
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology