2005 Cadillac STS Cadillac STS 2005

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2005 Cadillac STS repairs by problem area

Engine (31%)

Transmission and Drivetrain (10%)

Brakes and Traction Control (2%)

Suspension and Steering (12%)

Electrical and Air Conditioning (22%)

Paint, Rust, Leaks, Rattles, and Trim (17%)

Other (6%)

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Chart based on 134 repairs.
See TSBs and recalls for the 2005 Cadillac STS.

2005 Cadillac STS electrical repair cost distribution

$2500+ (0%)

$1000 - $2499 (8%)

$500 - $999 (8%)

$100 - $499 (17%)

< $100 (67%)

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Chart based on 24 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

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

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. 
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 
52000 mi

US $25
Driving light/right blinker went out. Took about 45 minutes to replace due to location and front facia impeding access. 
129000 mi

US $800
LED lights out on steering wheel controls. 

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2005 Cadillac STS 4dr Sedan

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

65000 mi

US $3
front parking light 
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.  
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. 
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. 
68700 mi

US $200
Drivers door would not open. Did not respond to keyless access system 

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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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2005 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 2005 Cadillac STS problems occur, check out our car reliability stats.