Cadillac STS Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Cadillac STS
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Cadillac STS ProblemsFailure of Front Turn Signal and DRL Bulbs
The front turn signal and and daytime running light bulbs are prone to premature failure. Our technicians tell us that these bulbs can be very difficult to replace.
A loose or worn gas cap could be cause the Check Engine Light to illuminate.
Vehicles with certain V6 engines may illuminate the Check Engine Light one or more of the following codes: P0011, P0014, P0021, P0024, P0341, P0346, P0336, or P0391. Our technicians tell us that some vehicles may require a powertrain control module (PCM) software update to correct this issue. Other vehicles may have excess camshaft end play on one or both cylinder heads which will need to be corrected using special procedures outlined by GM.
Cadillac STS QuestionsHow to turn off the tire monitor light (1 answer)
Tire monitor gauge will not shut off.
Previous owner said it is expensive to have it done at the dealership.
I've changed the alternator and still rough ride
car has set in garage for a week without starting tried to this morning cranks but does not start
Cadillac STS RecallsFuel Pump Failure And Leakage
The engine may stall and fuel may leak due to overheating of the electrical terminals in the fuel pump module, resulting in the melting of the flange material. Dealers will replace the fuel module and fuel tank jumper wiring harness free of charge to resolve the concern.
The tire pressure monitoring system may not function properly and may not warn a driver of low tire pressure. Dealers will reprogram the remote control door lock receiver module free of charge to resolve the concern.
A rear suspension toe link could fracture and result in the rear wheels changing direction. This can cause loss of vehicle control. Dealers will inspect the right and left toe links and replace them as required free of charge to resolve the concern.