Windows, power locks, manual locks, doors, trunk, tailgate, mirrors, power and manual seat controls, seat belts, sunroof, convertible top, glass defects.
The 1991 Cadillac Seville has some issues with the heating and AC temperature and air delivery mode door actuators, which might fail over time. This can lead to problems with regulating the cabin temperature and airflow, making it a bit of a hassle for comfort. While it’s not a deal-breaker, it’s something to keep in mind if you’re considering this classic ride.
Brake pads, brake rotors, brake calipers, anti-lock braking system (ABS), brake lines, brake master cylinder, brake booster, parking brake, brake sensors, regenerative braking system (if applicable).
The 1991 Cadillac Seville has some issues with the heating and AC temperature and air delivery mode door actuators, which might fail over time. This can lead to problems with regulating the cabin temperature and airflow, making it a bit of a hassle for comfort. While it’s not a deal-breaker, it’s something to keep in mind if you’re considering this classic ride.
The 1991 Cadillac Seville has some reliability issues, particularly with its anti-theft system that uses a raised-chip key. Many owners have reported problems with the car not starting due to this system malfunctioning. While the Seville offers a classic luxury experience, this specific issue can be a significant inconvenience for drivers.
The 1991 Cadillac Seville has some reliability issues, particularly with its anti-theft system that uses a raised-chip key. Many owners have reported problems with the car not starting due to this system malfunctioning. While the Seville offers a classic luxury experience, this specific issue can be a significant inconvenience for drivers.
The 1991 Cadillac Seville has a known issue with the trunk lid not closing properly due to a failure in the trunk pull-down switch. This problem can be pretty annoying, especially if you’re trying to keep your stuff secure. While it’s a specific issue, it does highlight some of the reliability concerns you might encounter with a car of this age.
The 1991 Cadillac Seville has a known issue with the ABS light coming on due to a failure in the ABS control module. This problem can affect the overall reliability of the vehicle’s braking system, which is a crucial safety feature. While the Seville might have other strong points, this particular issue is something to keep an eye on if you’re considering this model.
N/A
No major problem has been reported
The 1991 Cadillac Seville has a known issue with the trunk lid not closing properly due to a failure in the trunk pull-down switch. This problem can be pretty annoying, especially if you’re trying to keep your stuff secure. While it’s a specific issue, it does highlight some of the reliability concerns you might encounter with a car of this age.
The 1991 Cadillac Seville has a known issue with the high pressure power steering hose, which can leak fluid over time. This problem can lead to steering difficulties and potential damage if not addressed promptly. While it’s a notable concern, regular maintenance and timely repairs can help maintain the overall reliability of the vehicle.
The 1991 Cadillac Seville’s Electrical Level Ride System has been known to have some reliability issues, with reports indicating that it may fail over time. This can lead to an uneven ride and potentially affect the vehicle’s overall handling. If you’re considering this model, it’s worth keeping an eye on the suspension system and being prepared for possible maintenance.
Cruise control, keyless entry system, push-button start, wiper motor, warning lights, power mirrors, interior lighting, exterior lighting, dashboard indicators, electronic parking brake, tire pressure monitoring system (TPMS), alarm and security system, remote engine start, heated and ventilated seats, heated steering wheel, wireless charging pad.
The 1991 Cadillac Seville has a known issue with the vacuum brake release switch, which can fail over time. This problem can affect the overall reliability of the vehicle, as it may lead to difficulties in disengaging the parking brake. While it’s not the most common issue, it’s something to keep an eye on if you’re considering this classic ride.
Dashboard rattles, squeaks, wind noise, door seals, weather stripping, water leaks, air leaks, excessive road noise, suspension noise, drivetrain noise, exhaust rattles, engine bay noises.
The 1991 Cadillac Seville has a known issue with the ABS light coming on due to a failure in the ABS control module. This problem can affect the overall reliability of the vehicle’s braking system, which is a crucial safety feature. While the Seville might have other strong points, this particular issue is something to keep an eye on if you’re considering this model.
No major problem has been reported
The 1991 Cadillac Seville has a known issue with the vacuum brake release switch, which can fail over time. This problem can affect the overall reliability of the vehicle, as it may lead to difficulties in disengaging the parking brake. While it’s not the most common issue, it’s something to keep an eye on if you’re considering this classic ride.
The 1991 Cadillac Seville is known to have some issues with misfires due to failed ignition coils, which can affect its overall reliability. This problem can lead to rough idling and reduced engine performance, making it a bit of a hassle for owners. However, with regular maintenance and timely replacement of faulty ignition coils, you can keep your Seville running smoothly.
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Pressure loss on your vehicle? U3576 flags a Stack Differential Pressure Sensor circuit fault—possible HVAC failure. Scan, inspect wiring, replace sensor.
Coolant mixing valve sensor fault lights up on your vehicle—risking overheating. Scan U3575, test the sensor, and promptly reprogram or replace it.
Coolant temperature spikes or no heat in your vehicle? U3574 signals a faulty Coolant Mixing Valve—run a module scan and arrange reprogramming or replace.
Engine overheating or coolant warning on your vehicle? A faulty coolant mixing valve control circuit can cause temp loss—scan, reprogram or replace now.
Temp gauge spikes and overheating on your vehicle? U3572 means Stack Outlet Coolant Temp Sensor 2 circuit fault—scan or replace to prevent engine damage.
Temp gauge spikes and overheating in your vehicle? Faulty Stack Outlet Coolant Temp Sensor 1 can overheat engine—scan circuit and schedule module repair.
Coolant temperature warning on your vehicle? A Stack Inlet Coolant Temperature Sensor Circuit can cause overheating—scan, test and replace/reprogram.
Warning light or loss of power from your vehicle’s Anode Multifunction Valve? It threatens system reliability—scan the code and replace the valve promptly.
Your vehicle flashes U3568—Anode Multifunction Valve control circuit fault, risking loss of function. Scan, test the circuit, then reprogram or replace.
Power loss or boost warning in your vehicle? A faulty Anode Inlet Pressure Sensor 2 circuit can trigger limp mode—scan, test wiring and replace sensor.
Fuel pressure warning on your vehicle? A faulty Anode Inlet Pressure Sensor 1 circuit can cause erratic fuel delivery—scan the code, test the sensor, an…
Hydrogen pressure warning on your vehicle? Faulty Hydrogen Supply Line A Pressure Sensor 2 circuit can cut fuel‑cell output—scan and replace the sensor.