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Cadillac STS Problems and Repair Histories

Don't infer Cadillac STS problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.

Percentage of Cadillac STS repairs by problem area

33% of the Cadillac STS repairs were to the engine, 8% to the transmission, 2% to the brakes, 11% to the suspension, 25% to the electrical or air-conditioning systems, 14% to the body and trim, and 7% to other areas of the vehicle.

Chart based on 130 repairs.

Cadillac STS repair cost distribution

Of the Cadillac STS repairs that were not covered by warranty and were not do-it-yourself repairs, 7% cost less than $100, 45% between $100 and $499, 31% between $500 and $999, 10% between $1000 and $2499, and 7% more than $2500.

Chart based on 29 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Non-members can see only ten Cadillac STS problems and repair histories. Log in or join us to see them all.
Repair costs are in local units.

2005 Cadillac STS 4dr Sedan

320-horsepower 4.6L V8 5-speed shiftable automatic RWD

Cadillac STS in Georgia, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
0 Shifter locked and I couldn't get it out of park. Repair was covered under warranty. 
0 Shifter started getting hard to pull out of park again, so took it in before it completely locked up. Same repair, again under warranty. 
0 Wheels sensors replaced on two wheels. They had been giving problems for several months, and dealership had performed "re-learn". Finally requested they just be replaced, and haven't had any more problems. 
52000 95 Service Engine light comes on intermittently. Not related to gas cap being loose. Happens about every 500-800 miles, then goes off again. Code is PO420, Converter system below threshold. Driving light/right blinker went out. Took about 45 minutes to replace due to location and front facia impeding access. 
60000 350 Fuel gauge quit after bad gas. Bought entire tank from salvage yard, which included both sending units and fuel pump. Had to remove exhaust, drive shaft, and suspension to access tank. Mass air flow sensor was cleaned to determine if it was causing SEL to come on. Oil from K&N air filter apparently was causing it. After sensor cleaned, light hasn't come back on. 
 

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2005 Cadillac STS 4dr Sedan

320-horsepower 4.6L V8 5-speed shiftable automatic AWD

Cadillac STS in New Jersey, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Jun 2008 37000    
39000 0 Tire leaking air. Leak not due to tire -- in valve stem or wheel.  Passenger mirror memory function not working Squeaky seat Seat belt not retracting. oRadio loses its memory. Can't replicate at will. Dealer thinks I don't understand the radio. Complained of rattle in passenger door. Dealer proudly disassembled, insulated, and reassembled driver door. Passenger door still rattles.  Paint bubbling. Dealer admits it is a defect but body shop is backed up.  
39000 0 Seat belt retractor not retracting.  Door rattles, passenger side.  Paint bubbles.  
40000 0 Seat belt retractor needs parts replaced.  Navigation radio would lose memory from time to time.  Exterior mirror motor would not move mirror to correct position.  
40000 0 Fixed driver seat belt. 
61000 0 Check Engine Light and loss of power. Catalytic Converter failed. Dealer replaced only the one that failed under 8 year emission warranty. 
63000 15 Check engine light came on with code P0442. Owner replaced fuel cap with new and reset CEL. 
72000  
Cadillac STS in Florida, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Aug 2008 44000    
44000 0 Had transmission software updated.  Replaced seat belt pretensioner. 
45000 0 Woodgrain bezel around the navigation/radio unit faded at the top center section about 1/2 by 4 inches.. 
46000 0 Right side(passenger) headlight was retaining moisture. The power steering was making noise as if there were low or no fluid in it's system was told they could'nt replicate. 
49000 0 Power steering making a low/no fluid noise. Service air bag warning light keeps coming on. Ashtray was stuck open and would not close Replaced ashtray after ordering. 
51000 0 moisture in left front headlight 
51000 0 replaced left front headlight 
62700 1590 Alternator failed and the drivers air bag module shorted out.  
65000 148 I took car in for a CEL and oil change. Dealer said cats needed to be replaced and the right motor mount was bad. Dealer had to order parts. had cats replaced and  a left motor mount replaced and now told my transfer case needed repair. 
65700 0 repaired the transfercase $1340 
67000  

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2005 Cadillac STS 4dr Sedan

255-horsepower 3.6L V6 5-speed shiftable automatic RWD

Cadillac STS in Indiana, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Jun 2008 16000    
17000 0 Rack and pinion boot tore, leaking. Finish on trim around radio/enviornmentals was flaking. 
 

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2005 Cadillac STS 4-door

6-cylinder automatic 2WD

Cadillac in Georgia, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Jun 2008 53000    
54000 0 Traction Control Active, cuts engine out upon acceleration from a stop. 
 

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