FaultScore

FaultScore report

2003 Cadillac STS problems

Owners have filed 15 complaints about the 2003 Cadillac STS with NHTSA between 2003 and 2014. The largest single group is the electrical system. Across this model's run it ranks 7 of 10 worst.

B

FaultScore 36/100

Higher is worse. Measured against the other years of the Cadillac STS.

How this is worked out

The numbers

15

Complaints

1

Crashes reported

0

Fires reported

0

Injuries reported

19,000 mi

Median mileage at failure

Half of reported failures happened before this

56%

Failed under 36,000 miles

Inside a typical bumper-to-bumper warranty

What kind of bad

The letter says how bad. This says what kind — whether this year drew an unusual number of complaints, unusually dangerous ones, or failures that arrived unusually early.

Complaint volume 13 vs 50 Severity 34 vs 50 Early failure 95 vs 50
The dashed ring is 50 — the national norm. Further out is worse.
Complaint volume — 13
Against the median year of the Cadillac STS. 50 means typical for this model; 100 means roughly double.
Severity — 34
6.7% of these complaints involved a crash, fire, injury or death, against a national rate of 9.7%.
Early failure — 95
56% of failures with a mileage on record happened under 36,000 miles, against a national rate of 29%.

How 2003 compares with every other Cadillac STS

Click any bar to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks on a 2003 Cadillac STS

Every complaint is filed against a part. Follow any row for the complaints about that part alone.

Electrical System 4 26.7%

Median failure at 65,500 miles

Engine & Cooling 3 20.0%

Median failure at 16,650 miles

Brakes 2 13.3%

Median failure at 62,175 miles

Equipment & Accessories 1 6.7%
Stability & Traction Control 1 6.7%

Median failure at 112,000 miles

Fuel & Propulsion 1 6.7%

Median failure at 63,000 miles

Lights 1 6.7%
Suspension 1 6.7%

1 crashes, 0 fires · median 16,251 mi

Steering 1 6.7%

When it fails

Odometer readings owners gave when they filed. About half of all complaints include one.

10,000 – 24,999 miles 5 55.6%
50,000 – 74,999 miles 1 11.1%
100,000 – 149,999 miles 3 33.3%

When owners complained

A spike years after the car went on sale usually means a part wearing out on schedule across the whole fleet — the kind of pattern no single owner can see from inside their own car.

Mar 2003 peak 6 Jul 2014

Recalls on the 2003 Cadillac STS

A complaint is one owner's allegation. A recall is the point at which the manufacturer or a regulator agreed the defect is real and dangerous enough to fix for free — however old the car is.

Canada — Transport Canada

Canada runs its own recall programme, and its campaigns do not always mirror the American ones.

Recall 2003165 3,184 units in Canada

Fuel System

On certain Aurora, Bonneville SSEi, Devile and STS vehicles, the fuel tank pressure sensor is unusually susceptible to malfunctions causing excessive vacuum to be applied during self-diagnostic testing. Fuel system components can be damaged and fuel can leak from the vehicle when it is refueled. Possible symptoms of this condition are illumination of the Service Engine Soon light, poor driveability, increase noise from the fuel tank area, and inaccurate fuel gauge readings. If there is an ignition source present, a fire could result. Correction: Dealer will replace the fuel tank pressure sensor.

Recalls cover specific build ranges, so check your own vehicle by VIN at nhtsa.gov/recalls or, in Canada, Transport Canada.

Complaints that involved harm

Reports where the owner recorded a crash, a fire, an injury or a death.

at 16,251 miles Camarillo, CA Crash

SUSPENSION:FRONT:SPRINGS:COIL SPRINGS

CAR SCRAPES FRONT END GOING INTO OR OUT OF DRIVEWAYS EVEN AT SLOW SPEED 1 TO 2 MILES AN HOUR. ALSO HITS CURB PARKING STOPS. MY MECHANIC TOLD ME TO TAKE IT BACK TO THE DEALER I PRUCHASED IT FROM AND THE WARRANTY SHOULD COVER IT. THE CAR IS APPROXIMATLY 7-8 INCHES FROM THE GROUND AND THE REAR END IS ABOUT 15-16 INCHES HIGH OFF THE GROUND.

NHTSA complaint #10185374 — an unverified report by a vehicle owner.

The most recent complaints

In the owners' own words, exactly as filed with NHTSA.

at 63,000 miles Melbourne, FL

FUEL/PROPULSION SYSTEM

THE VEHICLE STALLS SOMETIMES WHEN STANDING AT A LIGHT OR WHILE DRIVING THE VEHICLE AT VARIOUS SPEEDS & SOMETIMES INTO A TURN WITHOUT WARNING, THIS INCIDENT OCCURRED NUMEROUS TIMES. THE VEHICLE HAS NOT BEEN TO THE DEALERSHIP TO BE INSPECTED. THE MANUFACTURER HAS NOT BEEN ALERTED.

NHTSA complaint #10617211 — an unverified report by a vehicle owner.

at 112,000 miles North Fort Myers, FL

ELECTRICAL SYSTEM

VEHICLE WAS IDLING IN DRIVEWAY DURING STRONG ELECTRICAL STORM. LIGHTNING APPEARED TO HIT A TREE NEARBY. SIMULTANEOUSLY, SEVERAL DASH WARNING LIGHTS CAME ON AND STAYED ON, INCLUDING ANTI-LOCK BRAKE, TRACTION AND STABILITY CONTROL WARNINGS. CALL WAS MADE TO INSURANCE COMPANY AND VEHICLE TOWED TO CADILLAC DEALERSHIP. SERVICE DEPARTMENT SAID CAUSE OF THE WARNING LIGHT WAS A BOLT NEAR WIRE TO ANTI-LOCK BRAKE POWER CONTROL MODULE HAD WORN INSULATION OFF, CAUSING FAILURE OF POWER CONTROL MODULE.IF INDEED LIGHTNING/POWER SURGE DID NOT CAUSE THIS PROBLEM, IMPROPERLY LOCATED BOLT OR DESIGN WOULD SEEM TO BE DEFECTIVE.

NHTSA complaint #10473982 — an unverified report by a vehicle owner.

at 112,000 miles North Fort Myers, FL

SERVICE BRAKES

VEHICLE WAS IDLING IN DRIVEWAY DURING STRONG ELECTRICAL STORM. LIGHTNING APPEARED TO HIT A TREE NEARBY. SIMULTANEOUSLY, SEVERAL DASH WARNING LIGHTS CAME ON AND STAYED ON, INCLUDING ANTI-LOCK BRAKE, TRACTION AND STABILITY CONTROL WARNINGS. CALL WAS MADE TO INSURANCE COMPANY AND VEHICLE TOWED TO CADILLAC DEALERSHIP. SERVICE DEPARTMENT SAID CAUSE OF THE WARNING LIGHT WAS A BOLT NEAR WIRE TO ANTI-LOCK BRAKE POWER CONTROL MODULE HAD WORN INSULATION OFF, CAUSING FAILURE OF POWER CONTROL MODULE.IF INDEED LIGHTNING/POWER SURGE DID NOT CAUSE THIS PROBLEM, IMPROPERLY LOCATED BOLT OR DESIGN WOULD SEEM TO BE DEFECTIVE.

NHTSA complaint #10473982 — an unverified report by a vehicle owner.

at 112,000 miles North Fort Myers, FL

ELECTRONIC STABILITY CONTROL (ESC)

VEHICLE WAS IDLING IN DRIVEWAY DURING STRONG ELECTRICAL STORM. LIGHTNING APPEARED TO HIT A TREE NEARBY. SIMULTANEOUSLY, SEVERAL DASH WARNING LIGHTS CAME ON AND STAYED ON, INCLUDING ANTI-LOCK BRAKE, TRACTION AND STABILITY CONTROL WARNINGS. CALL WAS MADE TO INSURANCE COMPANY AND VEHICLE TOWED TO CADILLAC DEALERSHIP. SERVICE DEPARTMENT SAID CAUSE OF THE WARNING LIGHT WAS A BOLT NEAR WIRE TO ANTI-LOCK BRAKE POWER CONTROL MODULE HAD WORN INSULATION OFF, CAUSING FAILURE OF POWER CONTROL MODULE.IF INDEED LIGHTNING/POWER SURGE DID NOT CAUSE THIS PROBLEM, IMPROPERLY LOCATED BOLT OR DESIGN WOULD SEEM TO BE DEFECTIVE.

NHTSA complaint #10473982 — an unverified report by a vehicle owner.

at 16,251 miles Camarillo, CA Crash

SUSPENSION:FRONT:SPRINGS:COIL SPRINGS

CAR SCRAPES FRONT END GOING INTO OR OUT OF DRIVEWAYS EVEN AT SLOW SPEED 1 TO 2 MILES AN HOUR. ALSO HITS CURB PARKING STOPS. MY MECHANIC TOLD ME TO TAKE IT BACK TO THE DEALER I PRUCHASED IT FROM AND THE WARRANTY SHOULD COVER IT. THE CAR IS APPROXIMATLY 7-8 INCHES FROM THE GROUND AND THE REAR END IS ABOUT 15-16 INCHES HIGH OFF THE GROUND.

NHTSA complaint #10185374 — an unverified report by a vehicle owner.

at 19,000 miles Johnston, RI

ELECTRICAL SYSTEM:12V/24V/48V BATTERY

DT*: THE CONTACT STATED WHILE DRIVING THE VEHICLE AT VARIOUS SPEEDS BETWEEN 5 TO 50 MPH THE ENGINE STALLED WITHOUT WARNING, THIS INCIDENT OCCURRED FOUR TIMES. THE VEHICLE HAS NOT BEEN TO THE DEALERSHIP TO BE INSPECTED. THE MANUFACTURER HAS NOT BEEN ALERTED. THE DEALER CORRECTED THE PROBLEM BY REPLACING THE BATTERY AND CRANKSHAFT SENSOR. UPDATED 02/21/06.

NHTSA complaint #10149199 — an unverified report by a vehicle owner.

at 19,000 miles Johnston, RI

ENGINE AND ENGINE COOLING:ENGINE

DT*: THE CONTACT STATED WHILE DRIVING THE VEHICLE AT VARIOUS SPEEDS BETWEEN 5 TO 50 MPH THE ENGINE STALLED WITHOUT WARNING, THIS INCIDENT OCCURRED FOUR TIMES. THE VEHICLE HAS NOT BEEN TO THE DEALERSHIP TO BE INSPECTED. THE MANUFACTURER HAS NOT BEEN ALERTED. THE DEALER CORRECTED THE PROBLEM BY REPLACING THE BATTERY AND CRANKSHAFT SENSOR. UPDATED 02/21/06.

NHTSA complaint #10149199 — an unverified report by a vehicle owner.

at 12,350 miles Jamesville, NY

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS

ON JUNE 30, 2005, I BROUGHT MY 2003 CADILLAC SEVILLE TO CREST CADILLAC IN SYRACUSE NY COMPLAINING OF BRAKE PULSATION AND RUMBLING. IT WAS DISCOVERED THAT ONE DISK BRAKE PAD HAD COMPLETELY SEPARATED FROM ITS BACKING PLATE, AND A SECOND SET OF PAD AND BACKING PLATE WAS ABOUT TO SEPARATE. I BELIEVE THIS IS A SAFETY ISSUE BECAUSE I THINK IT COMPROMISES THE BRAKING SYSTEM OF THE CAR. THE CAR ONLY HAS 12,350 MILES ON IT.

NHTSA complaint #10127675 — an unverified report by a vehicle owner.

at 14,300 miles Canfield, OH

ENGINE AND ENGINE COOLING:ENGINE

WHILE DRIVING VEHICLE WOULD STALL.

NHTSA complaint #10044754 — an unverified report by a vehicle owner.

Detroit, MI

ELECTRICAL SYSTEM:HORN

WHILE DRIVING THE BOLT CAME OUT OF THE STEERING COLUMN. *NLM THERE WERE ENGINE PROBLEMS/STALLING, AIR BAG LIGHT HAD COME ON, THE RADIO CUTS ON BY ITSELF, HORN WAS INOPERATIVE, ENGINE LIGHT WOULD COME ON, AND STEERING WHEEL LOCKED UP. RECALL #0311500 IN RE: CADILLAC CTS. SCC

NHTSA complaint #10012342 — an unverified report by a vehicle owner.

Detroit, MI

EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

WHILE DRIVING THE BOLT CAME OUT OF THE STEERING COLUMN. *NLM THERE WERE ENGINE PROBLEMS/STALLING, AIR BAG LIGHT HAD COME ON, THE RADIO CUTS ON BY ITSELF, HORN WAS INOPERATIVE, ENGINE LIGHT WOULD COME ON, AND STEERING WHEEL LOCKED UP. RECALL #0311500 IN RE: CADILLAC CTS. SCC

NHTSA complaint #10012342 — an unverified report by a vehicle owner.

Detroit, MI

STEERING:COLUMN

WHILE DRIVING THE BOLT CAME OUT OF THE STEERING COLUMN. *NLM THERE WERE ENGINE PROBLEMS/STALLING, AIR BAG LIGHT HAD COME ON, THE RADIO CUTS ON BY ITSELF, HORN WAS INOPERATIVE, ENGINE LIGHT WOULD COME ON, AND STEERING WHEEL LOCKED UP. RECALL #0311500 IN RE: CADILLAC CTS. SCC

NHTSA complaint #10012342 — an unverified report by a vehicle owner.

Detroit, MI

ELECTRICAL SYSTEM

WHILE DRIVING THE BOLT CAME OUT OF THE STEERING COLUMN. *NLM THERE WERE ENGINE PROBLEMS/STALLING, AIR BAG LIGHT HAD COME ON, THE RADIO CUTS ON BY ITSELF, HORN WAS INOPERATIVE, ENGINE LIGHT WOULD COME ON, AND STEERING WHEEL LOCKED UP. RECALL #0311500 IN RE: CADILLAC CTS. SCC

NHTSA complaint #10012342 — an unverified report by a vehicle owner.

Detroit, MI

ENGINE AND ENGINE COOLING

WHILE DRIVING THE BOLT CAME OUT OF THE STEERING COLUMN. *NLM THERE WERE ENGINE PROBLEMS/STALLING, AIR BAG LIGHT HAD COME ON, THE RADIO CUTS ON BY ITSELF, HORN WAS INOPERATIVE, ENGINE LIGHT WOULD COME ON, AND STEERING WHEEL LOCKED UP. RECALL #0311500 IN RE: CADILLAC CTS. SCC

NHTSA complaint #10012342 — an unverified report by a vehicle owner.

Boyne, MI

EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES

THE HEADLIGHT LENSES WERE DIM, WHICH CAUSED LESS LIGHT.

NHTSA complaint #10011133 — an unverified report by a vehicle owner.