Cadillac STS Cadillac STS

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Cadillac STS repairs by problem area

Engine (29%)

Transmission and Drivetrain (8%)

Brakes and Traction Control (3%)

Suspension and Steering (10%)

Electrical and Air Conditioning (28%)

Paint, Rust, Leaks, Rattles, and Trim (15%)

Other (6%)

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Chart based on 216 repairs.
See TSBs and recalls for the Cadillac STS.

Cadillac STS electrical repair cost distribution

$2500+ (0%)

$1000 - $2499 (4%)

$500 - $999 (10%)

$100 - $499 (24%)

< $100 (61%)

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Chart based on 49 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2011 Cadillac STS 4dr Sedan

302-horsepower 3.6L V6 6-speed shiftable automatic RWD

28000 mi I believe something in the body control module needed to be reset. 

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2008 Cadillac STS 4dr Sedan

302-horsepower 3.6L V6 6-speed shiftable automatic AWD

60500 mi

US $130
Remote start had an error code and would not work. System reset and is now operational. 
95000 mi

US $195
Reprogram computer as remote start not operating. 

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2007 Cadillac STS 4dr Sedan

320-horsepower 4.6L V8 6-speed shiftable automatic RWD

4156 mi Bluetooth will not pair up with phones made after September 2007. New software ordered. Nav locking up when car in motion - dealer not willing to repair This car does not have HomeLink. It has a system that will not work with home security gates. THe vendor had to preprogram a new head until, ship to the dealer for installation. They also sent a service company to install a new receiver on my gate. 
22182 mi Replaced right front fog lamp 

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2007 Cadillac STS 4dr Sedan

320-horsepower 4.6L V8 6-speed shiftable automatic AWD

80600 mi

C $300
Replace corroded headlight pig tail for pass sode xenon headlight assembly 100 plus hst dealer part.  

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2007 Cadillac STS 4dr Sedan

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

48360 mi trunk lid cannot be opened with fob in close proximity. Repair needed a new antenna. Antenna has been ordered and installed. Switch on brake system that disables the cruise control was replaced. 

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2007 Cadillac STS 4dr Sedan

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

131440 mi

C $150
Burnt out lamp Passenger door lock switch 

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2006 Cadillac STS 4dr Sedan

supercharged 469hp 4.4L V8 6-speed shiftable automatic RWD

90000 mi

US $70
Air bag seat sensor went bad 

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2006 Cadillac STS 4dr Sedan

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

Moisture between headlamp lenses caused Xeon bulb failure. 
76000 mi Intermittant operation of A/C. Replaced seal. 

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2006 Cadillac STS 4dr Sedan

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

54000 mi replace alternator 
44320 mi

C $900
Full brakes and rotors as well changes tire pressure sensors and new all weather tires installed. The tire pressure sensors were corroded and seized on. Had to remove to add air and threads stripped. 
54040 mi

C $800
Condenser in front got a pinhole from rock. Replaced condenser with Oem part 

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2006 Cadillac STS 4dr Sedan

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

114000 mi

US $250
Driver's seat belt pretensioner 
118000 mi electric door lock driver's door. Sometimes works sometimes have to use manual key. 
40250 mi

US $461
Condenser replaced; hole in condenser due to rocks/gravel getting between the pusher fan and condenser. Condenser replaced; hole in condenser due to rocks/gravel getting between the pusher fan and condenser. 
42000 mi noisy a/c actuator proximity trunk release inoperative 
21000 mi Replaced the hvac blower motor. It was starting to be a little noisy. 
68000 mi

US $240
my air bag light came on 
70000 mi

US $600
Service tire pressure module warning, could not fix. 

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2006 Cadillac STS 4dr Sedan

254-horsepower 3.6L V6 5-speed shiftable automatic AWD

33500 mi Radio replaced by Cadillac dealer before vehicle pick up 
88000 mi

US $300
Passenger side floor wet when a/c on. 
143000 mi Service air bag keeps coming on and horn stop working 
152000 mi Air bag light, horn not fixed. 

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2005 Cadillac STS

Engine not specified

64000 mi drivers seat would not adjust as normal. problem traced to damaged wire under seat.  

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2005 Cadillac STS 4dr Sedan

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

129000 mi

US $800
LED lights out on steering wheel controls. 
35000 mi Start button replaced. Finish was peeling off. Covered under warranty. 
44000 mi New underhood fuse panel. Car was stalling on the road and reported throttle control failure. Dealer found intermittent connection at fuse panel. Covered under warranty 
143300 mi

US $800
Automatic door release did not work. Stated the mechanic before installed the antenae incorrectly and cause a short that affected the drivers door, passenger door, and trunk. Only repaired drivers door. too costly for a car with 135,000mi. 
147000 mi

US $370
A previous repair at another dealership on the passenger door release cause an electrical short and shorted the drivers door, passenger door, auto start and trunk releases. Had only drivers door repaired. 
52000 mi

US $25
Driving light/right blinker went out. Took about 45 minutes to replace due to location and front facia impeding access. 

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2005 Cadillac STS 4dr Sedan

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

39000 mi Passenger mirror memory function not working oRadio loses its memory. Can't replicate at will. Dealer thinks I don't understand the radio. 
40000 mi Navigation radio would lose memory from time to time.  Exterior mirror motor would not move mirror to correct position.  
73000 mi

US $280
Replaced all 4 TPMS sensors. One wheel was leaking air around the valve. Other sensors had weak or dead batteries. TPMS now working, but air still leaking, must be the wheel. 
53000 mi Driver's side window fell when trying to close window. It was raining pretty healthy at the time, so I went directly to the dealership. They replaced the regulator and were real nice about it, even drove me to work and back in their shuttle. 
68700 mi

US $200
Drivers door would not open. Did not respond to keyless access system 
49000 mi Service air bag warning light keeps coming on. 
63300 mi

US $1590
replaced the alternator and coil kit Alternator failed and the drivers air bag module shorted out.  
65000 mi

US $3
front parking light 
29140 mi Front left tire pressure sensor is lost from time to time. Tire pressure is also replaced under warranty. 
31620 mi Farting sound from climate control: TSB #06-01-39009  LR tire sensor replaced. Drivers door lock replaced (did not need that one). 
32240 mi Also noticed 3 LEDs on the horizontal rear brake light bar not working. The entire assembly was ordered under warranty. Connector on rear right side got rusted causing left rear side marker not working. Ordered wire assembly. 
32860 mi Horizontal rear brake light bar assembly ordered last month arrived and was replaced under warranty. 

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2005 Cadillac STS 4dr Sedan

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

56200 mi

US $380
Bad starter 
43000 mi Failure to start. Would not respond to jumper. Battery was OK. After tow to dealer, again jumper would not start. Sat for several hours and then started without assistance. Full check up could not find problem. car would not start after driving. Would not start for dealer. Discovered problem with starter motor. Replaced starter motor. 
48000 mi tire pressure monitor sending unit in right rear tire faulty. new unit installed. system reset. 

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See TrueDelta's information for all Cadillac models.

Cadillac STS Electrical Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently Cadillac STS problems occur, check out our car reliability stats.