The 2001 Saturn SC1 carries 2 open NHTSA recalls — most recently covering park/neutral start interlock switch and tank assembly. Owners report 5 recurring issue clusters, led by “Power sunroof failure.” GM wound Saturn down in 2009, so parts now come through the GM catalog rather than a Saturn dealer. Which Saturn you own changes the maintenance picture completely. The S-series cars, meaning the SL, SC, and SW, use a 1.9 liter four with a timing chain, and the twin-cam version is known to burn oil as it ages, so checking the dipstick between changes matters more than the interval does. The L-series and Astra are Opel designs and want European-spec parts. The later Vue, Ion, Aura, Outlook, and Sky are mainstream GM under the badge. One item deserves a direct warning: 2002 to 2005 Vue models fitted with the VTi continuously variable transmission had a poor reliability record, and GM stopped building it. If you are buying one, confirm which transmission it has first.
POWER TRAIN:AUTOMATIC TRANSMISSION:PARK/NEUTRAL START INTERLOCK SWITCH
Campaign #00V310000 · Dec 10, 2000
Issue: VEHICLE DESCRIPTION: CERTAIN PASSENGER VEHICLES, EQUIPPED WITH AUTOMATIC TRANSAXLES, FAIL TO COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 114, "THEFT PROTECTION." THESE VEHICLES WERE BUILT WITH AN IMPROPERLY ADJUSTED AUTOMATIC TRANSAXLE PARK LOCK CABLE ASSEMBLY. IF IMPROPERLY ADJUSTED, IT IS POSSIBLE TO SHIFT FROM THE "PARK" POSITION WITH THE IGNITION KEY REMOVED.
Risk: THIS CONDITION INCREASES THE RISK OF A CRASH RESULTING FROM THE UNINTENDED MOVEMENT OF PARKED VEHICLES.
Fix: SATURN IS ASKING OWNERS AND RETAILERS TO PERFORM A FUNCTIONAL CHECK OF THE AUTOMATIC TRANSAXLE PARK LOCK CABLE ASSEMBLY OPERATION, AND IF NECESSARY, TO HAVE THE CABLE ADJUSTED. IF OWNERS ARE NOT COMFORTABLE PERFORMING THE FUNCTIONAL CHECK THEMSELVES, THEY CAN HAVE THEIR DEALER PERFORM THIS INSPECTION FOR THEM.
FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
Campaign #00V309000 · Dec 10, 2000
Issue: VEHICLE DESCRIPTION: CERTAIN PASSENGER VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 301, "FUEL SYSTEM INTEGRITY." THESE VEHICLES WERE BUILT WITH AN INADEQUATE VENT VALVE WELD ON THE TOP PORTION OF THE FUEL TANK.
Risk: FUEL SPILLAGE COULD OCCUR DURING REFUELING OR IF THE VEHICLE WERE INVOLVED IN A ROLLOVER. IF AN IGNITION SOURCE WERE PRESENT, A FIRE COULD OCCUR.
Fix: DEALERS WILL INSPECT THE VEHICLE TO ENSURE THE FUEL TANK VENT VALVE IS PROPERLY WELDED. IF NECESSARY, DEALERS WILL REPLACE THE FUEL TANK ASSEMBLY.
What drivers and federal regulators have officially reported about the 2001 Saturn SC1.
EQUIPMENT
3 NHTSA complaints · 2004-08 → 2008-07
“THE POWER SUNROOF ON MY 2001 SATURN SC-2 WAS MAKING A GRINDING NOISE WHEN I OPENED IT AND WHEN IT WAS CLOSING”
“THE PROBLEM IS THAT MY SUN ROOF THAT IS ONLY 4 YEARS OLD IS BROKEN BECAUSE OF A DEFECTIVE PART OF THE PLASTIC GLIDERS”
“I HEAR A LOT OF PROBLEMS WITH THE SUNROOF NOT WORKING PROPERLY”
ELECTRICAL SYSTEM
2 NHTSA complaints · 2003-01 → 2010-07
“THE CONTACT STATED WHILE INSERTING THE KEY INTO THE IGNITION, SHE NOTICED THAT THE IGNITION SWITCH WAS LOOSE”
“WHILE VEHICLE IS RUNNING CONSUMER CAN TAKE THE KEY OUT OF IGNITION, AND VEHICLE WOULD STILL BE RUNING”
TIRES
3 NHTSA complaints · 2000-10 → 2012-04
“DRIVING AT 55MPH ON GOOD ROAD WARM DAY 35 MILES INTO TRIP WHEN TIRE SIDEWALL BLEW OUT WITHOUT WARNING AND FOR NO APPARENT REASON”
“THE VEHICLE WAS TAKEN TO AN INDEPENDENT REPAIR SHOP WHERE SHE WAS INFORMED THAT THERE WAS TREAD SEPARATION ON THE FRONT DRIVERS SIDE TIRE”
“UPON RECENT INSPECTION AND ROTATION AT A SERVICE CENTER, IT WAS NOTED THAT ALL FOUR OF MY TIRES WERE DRY-ROTTING AT THE SIDEWALL NEAR THE TREADS”
POWER TRAIN
2 NHTSA complaints · 2004-02 → 2006-02
“A GEAR IN THE TRANSAXLE DIFFERENTIAL HAS WORN A HOLE THROUGH THE INSIDE OF THE BELL HOUSING CAUSING A MAJOR LEAK”
“WHILE DRIVING TRANSMISSION FAILED AND FLUID LEAKED”
VEHICLE SPEED CONTROL
3 NHTSA complaints · 2001-08 → 2008-01
“WHEN THE LIGHT TURNED GREEN, I STEPPED ON THE ACCELERATOR TO PROCEED THROUGH THE INTERSECTION. AT THAT TIME, THE CAR REVVED TO 6000 RPM AND WENT FROM 0-40 MPH”
“WHILE DRIVING 50 MPH, THE BRAKE PEDAL WAS DEPRESSED; HOWEVER, THE VEHICLE ACCELERATED”
“WHILE DRIVING AT 30MPH CONSUMER TOOK FOOT OFF ACCELERATOR AND VEHICLE KEPT GOING”
Issues on other model years
Source: NHTSA Office of Defects Investigation (ODI). Complaint data refreshed Sep 20, 2026. Investigation data refreshed Sep 1, 2026.
We display NHTSA's record with attribution; we don't editorialize on what these complaints mean for any specific vehicle.
Critical for safety and preventing major damage
Models from about 2003 on use the GM Oil Life System. Change when it asks and at least once a year. On S-series cars with the twin-cam 1.9, check the level every other fuel stop. Oil consumption on a worn one can empty the sump well before the next service is due.
Estimated cost — typical U.S. ranges
Dealer
~$120–$160
Shop
~$85–$115
DIY
~$25–$55
Full synthetic costs more than conventional. 5-quart 0W-20 + filter is the typical bill.
Rotate every 7,500 miles. Check the sidewall date codes too. On cars this age, tires usually time out before they wear out.
Estimated cost — typical U.S. ranges
Dealer
~$85
Shop
~$60
DIY
Free
Often free at the shop where you bought the tires — worth asking before paying.
Inspect pads, rotors, hoses, and hard lines at every service. Rear drums on S-series cars and rear calipers on the Vue and Ion both stick on vehicles that sit for long stretches.
Estimated cost — typical U.S. ranges
Dealer
~$85
Shop
~$60
DIY
Free
Most shops do this free as a courtesy with any service. Don't pay separately if you can avoid it.
Replace every 2 years. This is the single cheapest thing you can do to keep an aging ABS pump and calipers alive.
Estimated cost — typical U.S. ranges
Dealer
~$180–$200
Shop
~$125–$140
DIY
~$10–$25
DOT 3 or 4 — match the cap. Vacuum bleeders make this a one-person DIY.
Keeps your vehicle running smoothly and efficiently
Drain and fill every 45,000 miles. Fluid depends on the car: Dexron VI for most conventional automatics, a specific CVT fluid for 2002 to 2005 Vue models with the VTi, and Saturn-spec manual gear oil for the S-series manuals. Confirm the spec before anyone pours anything in.
Estimated cost — typical U.S. ranges
Dealer
~$330–$500
Shop
~$235–$355
DIY
~$60–$180
Some sealed transmissions have no dipstick — fill is precise and best left to a shop. Many drivers can still DIY drain-and-fill.
100,000 miles on platinum or iridium plugs. On the S-series 1.9 and the Ecotec fours, replace the coil pack boots at the same time. Brittle boots misfire and mimic a failing coil.
Estimated cost — typical U.S. ranges
Dealer
~$285–$390
Shop
~$200–$275
DIY
~$25–$100
Iridium plugs cost more but last 100k+ miles. V6/V8 access varies wildly — some are tough.
Replace the belt and the tensioner as a set once either one is cracked, glazed, or noisy. A tired tensioner will destroy a new belt.
Estimated cost — typical U.S. ranges
Dealer
~$195–$235
Shop
~$135–$165
DIY
~$20–$50
DIY-friendly if you can reach the tensioner. Inspect for cracks rather than swap on a strict mileage interval.
Replace every 30,000 miles. Easy access on the S-series and the Ecotec engines.
Estimated cost — typical U.S. ranges
Dealer
~$60–$95
Shop
~$45–$70
DIY
~$15–$40
5-minute job on most cars; the airbox lid usually has clips, no tools needed.
Extends the life of your vehicle and improves comfort
Every 5 years on a car this old. Most Saturns use orange Dex-Cool, which must never be mixed with green coolant. Ask the shop to check for seepage at the water pump and the intake gasket while the system is open.
Estimated cost — typical U.S. ranges
Dealer
~$285–$330
Shop
~$200–$235
DIY
~$25–$60
Use the manufacturer-specified coolant — wrong color/chemistry can damage the cooling system.
Most of the lineup uses conventional hydraulic steering, so check the fluid level and the hoses. The Ion and some Vue models use an electric power steering unit instead, which has no fluid but was the subject of GM recall activity. Worth confirming yours was addressed.
Estimated cost — typical U.S. ranges
Dealer
~$185–$220
Shop
~$130–$155
DIY
~$15–$40
Most cars built after ~2012 use electric power steering and have no fluid to service.
Test the battery and alternator once a year. A weak battery on this generation of GM electronics produces warning lights that look like much more expensive problems.
Estimated cost — typical U.S. ranges
Dealer
~$225–$390
Shop
~$160–$280
DIY
~$130–$250
Most auto-parts stores test and install batteries free with purchase. Skip the dealer markup.
Occupant deaths in fatal crashes (FARS)
119 crashes 1990–2024
How the 119 occupant deaths break down
94
driver deaths
25
passenger deaths
119
occupant deaths
Crash years covered: 1990–2024 This model year first appears in 2001 crashes. Older models have had more years on the road to appear in these crashes, so a higher count here does not by itself mean a vehicle is less safe.
FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road. How to read this number
FARS 2024 data is an annual report file. NHTSA revises these records when the final file is published, so this count can change.
Every vehicle has exactly one driver seat, so driver deaths line up fairly when you compare one model to another. Occupant deaths include passengers, so a three row SUV can show a higher number than a two seat car simply because it carries more people.
Both figures are plain counts, not rates. A rate would need to know how many of each vehicle are on the road, and that registration data is not public, so we do not publish rates or scores of any kind.
IIHS publishes driver death rates using this same driver only idea, paired with a registered vehicle years denominator we do not have. Their rates and these counts answer different questions, so do not read either number here as a safety rating.
Owner-reported problem signals
Separate from the federal fatality data above: complaints owners filed with NHTSA about this year and model. These are reports of problems, unverified, and are counted here only as signals.
4
complaints mentioning a crash
0
complaints mentioning a fire
Reviewed known issues for this vehicle·Open recalls for this vehicle
Typical U.S. ranges. Actual quotes vary by shop, parts choice, and vehicle condition.
How we estimate: Dealer = OEM parts × 1.4 + labor × $165/hr. Shop = parts + labor × $115/hr. DIY = parts only.
This maintenance schedule for the 2001 Saturn SC1 reflects Saturn's published service intervals and the GM Oil Life System system. Your actual service needs may vary based on driving conditions, climate, and vehicle usage. Always consult your owner's manual for model-specific recommendations.