Skip to content
Fuel systemPart report

2006 Cadillac CTS Fuel system Problems

Complaints
10about this part
Share
4%of 269 total for the year
Median mileage
71,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 10 complaints about the fuel system of the 2006 Cadillac CTS, 4% of the 269 complaints for this model year. Where a mileage was given, the median is 71,000 miles. 2 recall campaigns on record are filed under a similar system.

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.

“This vehicle has had thousands of complaints about ECM related problems. Every complaint is the same. The computer causes the temp gauge, fuel gauge to stop working, the tc light & antitheft lights to come on, and the key being stuck in the ignition. It renders the car undriveable because the temp & fuel gauges stop working. I have researched this and there has been the exact same issue with thousands of cars!!! When I contacted Cadillac about this they said I would have to pay hundreds of dollars for a diagnoses fee. …”

NHTSA complaint #11000207, filed 2017-06, 90,300 miles

“Car was parked at work I was notified that it was leaking/pouring gasoline under car. Towed to dealership for repair. Dealership noted, gas leaking at top of tank, connector shorted at top of fuel module which burnt a hole and was leaking gasoline . It cannot be caused by a road impact as it occurs on the fuel module on the top of the gas tank. Entire tank has to be dropped off of car to replace the module. I investigated in the Cadillac owners forum and it was noted that this has occurred on other cadillacs and GM vehicles.caused by a short. …”

NHTSA complaint #10498409, filed 2013-02, 91,303 miles

“I was at a stop sign when I tried to press down on the gas the car started tug and it would only do that on the first gear one mechanic said that it has to do with the fuel system and I kept testing the car out and I kept pressing on the gas to see if there was a difference but it kept doing the same thing as the first time”

NHTSA complaint #10820860, filed 2016-01

“The contact owns a 2006 Cadillac CTS. The contact was driving 35 MPH when he noticed that the low fuel warning light was illuminated just before the vehicle stalled. The contact was able to restart the vehicle and the vehicle was taken to the dealer where the failure was unable to be diagnosed. The manufacturer was contacted and advised that the vehicle was not included in NHTSA campaign id number: 06v020000 (fuel system, gasoline:delivery) and provided no further assistance. The vehicle was not repaired. The failure mileage was 74,000 and the current mileage was 91,000.”

NHTSA complaint #10459696, filed 2012-05, 74,000 miles

“The contact owns a 2006 Cadillac CTS. Whenever the vehicle was driven at various speeds, the contact would hear a grinding noise. She took the vehicle to the dealer and was informed that the rear axles needed to be replaced. The mechanic only repaired the rear differential. The failure recurred and the vehicle was taken back to the mechanic. The dealer repaired the rear differential and the rear axles; however, the failure persisted. She returned to the dealer and was informed that the fuel filter and the module sensor center needed to be repaired. …”

NHTSA complaint #10244300, filed 2008-10, 18,000 miles

Related recalls

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
2019110%
201613%
201411%
201311%
201212%
201122%
201011%
2009106%
20082816%
200763%
2006104%
2005155%
200494%
2003114%

Other parts of the 2006 Cadillac CTS

Air bags
87 complaints
Brakes
57 complaints
Transmission and drivetrain
45 complaints
Electrical system
43 complaints
Engine
28 complaints
Suspension
10 complaints
Vehicle speed control
10 complaints
Engine cooling
9 complaints
Other or unknown
9 complaints
Exterior lighting
7 complaints
Visibility (wipers, defrost, mirrors)
7 complaints
Electronic stability control
4 complaints

← All problems reported for the 2006 Cadillac CTS

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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