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1998 Cadillac Deville

Owner reports · Recalls · Investigations

More warning signs than most Deville years

Owner complaints for the 1998 Cadillac Deville are substantially higher than the model-year median of 44.

About this comparison →

When problems were reported

Mileage at the reported incident

69 reports with mileage · 168 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Exterior Lighting. Review the 43 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 34 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 33 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

14 crash reports1 fire reports14 injury reports

What owners actually said

237 reports
119,000 miles · Aug 13, 2008
Engine And Engine Cooling

THE FAILURE OCCURS IN NORMAL USE. THE CONSEQUENCE IS POSSIBLE ENGINE DAMAGE. THE DEALER HAS REFUSED TO REPAIR THIS OBVIOUS AND COMMON MANUFACTURING FLAW IN THE NORTHSTAR ENGINE. THE SITUATION, BECAUSE THIS IS THE SAME ENGINEER IS THE SAME THAT IS DESCRIBED IN NHTSA RECALL NUMBER 99086: DATE: 12/01/1999 COMPONENT NAME: 061…

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THE FAILURE OCCURS IN NORMAL USE. THE CONSEQUENCE IS POSSIBLE ENGINE DAMAGE. THE DEALER HAS REFUSED TO REPAIR THIS OBVIOUS AND COMMON MANUFACTURING FLAW IN THE NORTHSTAR ENGINE. THE SITUATION, BECAUSE THIS IS THE SAME ENGINEER IS THE SAME THAT IS DESCRIBED IN NHTSA RECALL NUMBER 99086: DATE: 12/01/1999 COMPONENT NAME: 061000 ENGINE AND ENGINE COOLING:ENGINE NHTSA #: 99086 SUMMARY: SOME VEHICLES MAY EXHIBIT A CONDITION IN WHICH THE CYLINDER HEAD BOLTS MAY BECOME LOOSE AND CAUSE COOLANT LEAKS AND POSSIBLE ENGINE DAMAGE. *TR

NHTSA ODI #10237986

76,000 miles · Aug 1, 2008
Power Train

TL*THE CONTACT OWNS A 1998 CADILLAC DEVILLE. THE PIN THAT HOLDS THE GEARSHIFT LEVER TO THE VEHICLE IS COMING LOOSE AND WILL NOT STAY IN PLACE. IF THE PIN COMPLETELY DETACHES, IT WOULD CAUSE THE GEARSHIFT LEVER TO FALL OFF THE FLOORBOARD. THE DEALER AND MANUFACTURER HAS BEEN NOTIFIED. THE CURRENT AND FAILURE MILEAGES WERE 76…

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TL*THE CONTACT OWNS A 1998 CADILLAC DEVILLE. THE PIN THAT HOLDS THE GEARSHIFT LEVER TO THE VEHICLE IS COMING LOOSE AND WILL NOT STAY IN PLACE. IF THE PIN COMPLETELY DETACHES, IT WOULD CAUSE THE GEARSHIFT LEVER TO FALL OFF THE FLOORBOARD. THE DEALER AND MANUFACTURER HAS BEEN NOTIFIED. THE CURRENT AND FAILURE MILEAGES WERE 76,000.UPDATE 09/10/08 *CW UPDATED 09/11/08 *JB

NHTSA ODI #10236638

73,000 miles · Jan 18, 2008
Air BagsInjury

TL*THE CONTACT OWNS A 1998 CADILLAC DEVILLE. IN SEPTEMBER OF 2003, THE AIR BAGS DEPLOYED WITHOUT AN IMPACT WHILE DRIVING 35 MPH. THERE WERE OCCUPANTS IN THE VEHICLE AT THE TIME OF THE FAILURE. GM REPAIRED THE VEHICLE; HOWEVER, THE AIR BAGS CONTINUED TO DEPLOY FOR NO APPARENT REASON. THERE WAS ONE INJURY. THE PURCHASE DATE W…

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TL*THE CONTACT OWNS A 1998 CADILLAC DEVILLE. IN SEPTEMBER OF 2003, THE AIR BAGS DEPLOYED WITHOUT AN IMPACT WHILE DRIVING 35 MPH. THERE WERE OCCUPANTS IN THE VEHICLE AT THE TIME OF THE FAILURE. GM REPAIRED THE VEHICLE; HOWEVER, THE AIR BAGS CONTINUED TO DEPLOY FOR NO APPARENT REASON. THERE WAS ONE INJURY. THE PURCHASE DATE WAS UNKNOWN. THE CURRENT MILEAGE WAS 177,040 AND FAILURE MILEAGE WAS APPROXIMATELY 73,000.

NHTSA ODI #10215359

80,000 miles · Oct 27, 2007
Engine And Engine Cooling

1998 CADILLAC DEVILLE CONCOURS. NORTHSTAR 4.6L V8 I HAVE MADE NUMEROUS COMPLAINTS ABOUT THE OIL CONSUMPTION OF THIS VEHICLES ENGINE. ONLY TO RECEIVE THE BRUSH OFF FROM THE DEALERSHIP ABOUT GM'S ALLOWABLE NORTHSTAR CONSUMPTION. THIS ENGINE IS CONSUMING 4 QTS PER MONTH ON AVERAGE AND IS NOT ACCEPTABLE IN MY BOOK. WHAT DO I DO N…

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1998 CADILLAC DEVILLE CONCOURS. NORTHSTAR 4.6L V8 I HAVE MADE NUMEROUS COMPLAINTS ABOUT THE OIL CONSUMPTION OF THIS VEHICLES ENGINE. ONLY TO RECEIVE THE BRUSH OFF FROM THE DEALERSHIP ABOUT GM'S ALLOWABLE NORTHSTAR CONSUMPTION. THIS ENGINE IS CONSUMING 4 QTS PER MONTH ON AVERAGE AND IS NOT ACCEPTABLE IN MY BOOK. WHAT DO I DO NOW ? NO MANUFACTURERS WARRANTY OR EXTENDED LEFT TO HELP AND ONLY 80,000 MILES ON THIS VEHICLE. I DEFINITELY BELIEVE THAT THIS VEHICLE WAS A LEMON FROM THE GET GO AND THAT GM KNOWS THESE ENGINES HAVE PROBLEMS. I'M TRYING TO BUY AMERICAN MADE PRODUCTS BUT WITH PROBLEMS LIKE THIS IT'S GETTING DIFFICULT TO DO THIS. HOPING I CAN GET SOME RESOLUTION TO THIS PROBLEM. *TR

NHTSA ODI #10207065

94,000 miles · May 8, 2007
Engine And Engine Cooling

HAVING MAJOR PROBLEMS WITH VEHICLE FROM THE DEXCOOL COOLANT . AFTER WATER PUMP WAS REPLACED THEN THE RADIATOR HAD TO BE REPLACED, DAYS AFTER PROBLEM WITH HEAD GASKETS WERE THE COOLANT LEAKED ONTO THE MANIFOLD, AND ENGINE RAN HOT. *AK

NHTSA ODI #10190159

130,942 miles · Feb 28, 2007
Electronic Stability ControlCrash

DRIVING AND THE STABILITY LIGHT CAME ON AND THE CAR BEGAN TO BOUNCE SLIGHTLY. CONTINUED TO DRIVE AND BOUNCING HAD GOTTEN WORSE AND EVENTUALLY CASED ME TO GO OFF THE ROAD WHEN SWITCHING LANES THE BACK END OF MY CAR SPUN AROUND. THANK GOD THEIR WERE NO OTHER CARS AROUND OR IT WOULD HAVE BEEN A HORRIBLE ACCIDENT. *NM

NHTSA ODI #10183808

133,000 miles · Jan 11, 2007
Exterior Lighting

TL* - THE CONTACT HAS A 1998 CADILLAC DEVILLE WITH AN ODOMETER READING OF 133000 MILES AND BOTH HEADLIGHT UNITS ARE CLOUDY. THE CONTACT SAID THAT THE VISIBILITY IS VERY POOR AN THERE IS NO WAY TO CLEAN THEM TO IMPROVE VISIBILITY. WHEN MAKING A LEFT TURN IT BECOMES DIFFICULT TO SEE. THE CONTACT TOOK THE CAR TO THE DEALER (CARA…

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TL* - THE CONTACT HAS A 1998 CADILLAC DEVILLE WITH AN ODOMETER READING OF 133000 MILES AND BOTH HEADLIGHT UNITS ARE CLOUDY. THE CONTACT SAID THAT THE VISIBILITY IS VERY POOR AN THERE IS NO WAY TO CLEAN THEM TO IMPROVE VISIBILITY. WHEN MAKING A LEFT TURN IT BECOMES DIFFICULT TO SEE. THE CONTACT TOOK THE CAR TO THE DEALER (CARAMGO CADILLAC) AND HE WAS TOLD THAT BOTH HEAD LIGHT UNITS NEED TO BE REPLACED.

NHTSA ODI #10178432

88,610 miles · Nov 20, 2006
Exterior Lighting

HEADLIGHT LENS FALLS OFF. *JB

NHTSA ODI #10173894

57,000 miles · Nov 11, 2006
Engine And Engine Cooling

ATTENTION: MS. DENISE MCNAIR@DOT.GOV AFTER REVIEWING THE INFORMATION SERVICE BULLETIN SENT TO ME I AM UNDER MORE CONVINCED THAT THIS ENGINE IS DEFECTIVE. I HAVE HAD ENGINE COOLING ALSO HIGH OIL CONSUMPTION EVERY SINCE 57.000 MILES,I MENTION IT TO THE SERVICE ADVISOR AND NO ONE EVER TOLD ABOUT THESE BULLETINS NO ONE MENTION THAT…

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ATTENTION: MS. DENISE MCNAIR@DOT.GOV AFTER REVIEWING THE INFORMATION SERVICE BULLETIN SENT TO ME I AM UNDER MORE CONVINCED THAT THIS ENGINE IS DEFECTIVE. I HAVE HAD ENGINE COOLING ALSO HIGH OIL CONSUMPTION EVERY SINCE 57.000 MILES,I MENTION IT TO THE SERVICE ADVISOR AND NO ONE EVER TOLD ABOUT THESE BULLETINS NO ONE MENTION THAT THEIR WAS A PROBLEM WITH ENGINE OR TELL ME ABOUT THE , FWD RTV SEALANT PROCEDURE WITH CURRENT OIL DISTRIBUTION PLATE OR THE RUSTED HEATER PIPES THAT GO THROUGH THE ENGINE BLOCK THAT CARRIES THE COOLANT. ALSO LEAKS IN THE CAR CAUSING FUMES WHICH ARE TOXIC. I MUST HAVE 20- 1 GALLON ANTI- FREEZE BOTTLES IN MY GARAGE. I CARRY AT LEAST 6 QUARTS MOTOR OIL WITH ME, THE OVER 75,000 MILE OIL. I USE MORE OIL AND ANTI- FREEZE THAN GAS.2006 CONSUMER ACTION HANDBOOK STATES AND I QUOTE" SOMETIMES A MANUFACTURER MAKES A DESIGN OR PRODUCTION MISTAKE ON A MOTOR VEHICLE. IF DEALERS REPORT A NUMBER OF COMPLAINT ABOUT A CERTAIN PART OR VEHICLE, THE MANUFACTURER MAY ALLOW DEALERS TO REPAIR THE PROBLEM AT NO COST TO YOU EVEN IF THE WARRANTY HAS EXPIRED. A SERVICE BULLETIN NOTIFIES THE DEALER OF THE PROBLEM AND HOW TO SOLVE IT. BECAUSE THESE FREE REPAIRS ARE NOT PUBLICIZED, THEY ARE CALLED "SECRET WARRANTIES" THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION MAINTAINS A DATABASE OF SERVICE BULLETINS FILED BY MANUFACTURERS. I ALSO HAVE ALL THE MAINTENANCE RECORDS FOR MY 1998 CADILLAC AND WAS NEVER IMFORMED OF THESE PROBLEMS OR I WOULD HAVE HAD THEM REPAIRED WHEN THE CAR WAS UNDER WARRANTY. I HAVE DOCTOR'S APPOINTMENTS I CAN'T KEEP BECAUSE I DON'T HAVE TRANSPORTATION. THE DEALER TOLD ME I HAVE BLOWN HEAD GASKETS WHICH COMES FROM OVERHEATING DUE TO THE COOLING LEAK AND OIL LEAKS.THE HEATER PIPES HAVE RUSTED POURING OUT ENGINE COOLANT. WHICH DOES NOT PRODUCE HEAT AT THIS TIME. I NEED ALL THE HELP I CAN GET, I"M ON A FIXED INCOME AND MONEY IS SCARCE. WHY DON'T THEY RUN COPPER PIPES THEY DON'T RUST. IT'S FOR THE HEATING SYSTEM. PLEASE HELP. *JB

NHTSA ODI #10173178

157,000 miles · Nov 3, 2006
Engine And Engine CoolingExterior LightingPower Train

DT*: THE CONTACT STATED THE VEHICLE'S OIL AND ANTIFREEZE LEAKED CAUSING THE INTAKE AND OUTTAKE OF THE ENGINE TO RUST, IN TURN CAUSING THE PIPE TO BUST AND THE VEHICLE TO OVERHEAT. THE VEHICLE NEEDED A NEW ENGINE TO FIX THIS ISSUE. UPDATED 12.8/2006 - 4.6 LITER NORTHSTAR ENGINE. THE L/F WINDOW WAS INOPERATIVE. THE BRAKES PUL…

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DT*: THE CONTACT STATED THE VEHICLE'S OIL AND ANTIFREEZE LEAKED CAUSING THE INTAKE AND OUTTAKE OF THE ENGINE TO RUST, IN TURN CAUSING THE PIPE TO BUST AND THE VEHICLE TO OVERHEAT. THE VEHICLE NEEDED A NEW ENGINE TO FIX THIS ISSUE. UPDATED 12.8/2006 - 4.6 LITER NORTHSTAR ENGINE. THE L/F WINDOW WAS INOPERATIVE. THE BRAKES PULSATED. THE SES LIGHT ILLUMINATED. THE HEADLIGHT WAS INOPERATIVE. THE AUTOMATIC TRANSMISSION FAILED. *NM

NHTSA ODI #10172586

Official recalls

3

00V217000 · Air Bags:side/window

Aug 11, 2000

VEHICLE DESCRIPTION: PASSENGER VEHICLES. SOME OF THE SIDE IMPACT SENSOR MODULES HAVE QUALITY PROBLEMS THAT CAN CAUSE AN INADVERTENT DEPLOYMENT OF THE DRIVER OR PASSENGER SIDE IMPACT AIR BAGS. THESE SIDE AIR BAGS DEPLOY WITH LESS FORCE THAN A FRONTAL AIR BAG AND ARE DESIGNED TO MINIMIZE THE RISK OF SERIOUS INJURY.

Consequence & remedy

Consequence: HOWEVER, AN OCCUPANT CAN RECEIVE SOME INJURY FROM A DEPLOYMENT.

Remedy: DEALERS WILL REPLACE THE DRIVER AND PASSENGER SIDE IMPACT SENSING MODULES. IF THE VEHICLE HAS HAD THE SIDE AIR BAGS TEMPORARILY DISCONECTED, THE TEMPORARY DISCONNECT WILL BE REMOVED BEFORE REPLACING THE SIDE IMPACT SENSING MODULES.

97V232000 · Structure:body:hood:hinge And Attachments

Dec 18, 1997

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THESE VEHICLES WERE BUILT WITH HOOD HINGE PIVOT BOLTS WHICH CAN BREAK DUE TO AN IMPROPER HEAT TREAT CONDITION. THIS DOES NOT COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 219, "WINDSHIELD ZONE INTRUSION." A BROKEN BOLT CAN CAUSE EITHER THE CORNER OF THE HOOD NEAR THE WINDSHIELD TO RAISE, OR ONE SIDE OF THE HOOD TO BE UNSTABLE WHEN OPENED.

Consequence & remedy

Consequence: IN THE EVENT OF A VEHICLE CRASH, THE HOOD COULD BE PUSHED BACK THROUGH THE WINDSHIELD GLASS POSSIBLY INJURING THE VEHICLE OCCUPANTS.

Remedy: DEALERS WILL REPLACE THE HOOD HINGE PIVOT BOLTS.

97V183000 · Vehicle Speed Control

Oct 27, 1997

VEHICLE DESCRIPTION: PASSENGER VEHICLES, HEARSES AND LIMOUSINES. THE CANISTER PURGE EVAPORATIVE EMISSIONS HARNESS ON THESE VEHICLES WAS MISROUTED.

Consequence & remedy

Consequence: THE HARNESS COULD INTERFERE WITH THE CRUISE CONTROL AND THROTTLE LINKAGE PREVENTING RETURN TO A CLOSED THROTTLE.

Remedy: DEALERS WILL INSPECT THE VEHICLE FOR PROPER ROUTING OF THE HARNESS, CORRECT AS NECESSARY, AND INSTALL A PLASTIC TIE STRAP TO THE HARNESS.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

3

RQ03001 · Power Rack And Pinion Steering Failure

Opened Jan 2, 2003 · Closed Sep 15, 2003

Status: closed (inferred from source dates) · Steering; Steering:rack And Pinion

GM CONDUCTED A SAFETY RECALL (NHTSA # 02V286) TO ADDRESS A STEERING DEFECT PERTAINING TO A LOWER PINION BEARING (LPB) WITHIN THE RACK AND PINION STEERING GEAR (R&P). THE RECALL COVERED 1,159,156 MODEL YEAR 1997-1998 PONTIAC GRAND PRIX VEHICLES BUILT BETWEEN MARCH 1, 1996 AND OCTOBER 31, 1997, 1996-1998 PONTIAC TRANS SPORT, CHEVROLET LUMINA APV, CHEVROLET VENTURE, OLDSMOBILE SILHOUETTE MINIVANS, AND CHEVROLET CAVALIER AND PONTIAC SUNFIRE SEDANS BUILT BETWEEN JANUARY 1, 1996 AND OCTOBER 31, 1997.ODI OPENED THIS RQ AFTER RECEIVING REPORTS THAT OTHER VEHICLES WERE EXHIBITING THE SAME SYMPTOMS AS THE RECALLED VEHICLES.BASED ON ODI'S REVIEW OF TECHNICAL AND COMPLAINT DATA COLLECTED DURING THE RQ, THE W-CARS ARE ASSOCIATED WITH EITHER A HIGHER STEERING COMPLAINT RATE OR A HIGHER LPB FAILURE RATE THAN THE OTHER VEHICLES INVESTIGATED UNDER THE RQ AND ARE ABOVE OR NEAR THE RATES FOR THE RECALLED VEHICLES.THUS, ODI WILL FURTHER EXAMINE THE W-CARS (1996-1997 OLDSMOBILE CUTLASS SUPREME, 1996-1998 BUICK REGAL, CHEVROLET LUMINA, CHEVROLET MONTE CARLO, 1997-1998 BUICK CENTURY, AND 1998 OLDSMOBILE INTRIGUE) UNDER A NEW INVESTIGATION, ENGINEERING ANALYSIS (EA)03-019.

Additional source detail variants (2)

Steering

GM CONDUCTED A SAFETY RECALL (NHTSA # 02V286) TO ADDRESS A STEERING DEFECT PERTAINING TO A LOWER PINION BEARING (LPB) WITHIN THE RACK AND PINION STEERING GEAR (R&P). THE RECALL COVERED 1,159,156 MODEL YEAR 1997-1998 PONTIAC GRAND PRIX VEHICLES BUILT BETWEEN MARCH 1, 1996 AND OCTOBER 31, 1997, 1996-1998 PONTIAC TRANS SPORT, CHEVROLET LUMINA APV, CHEVROLET VENTURE, OLDSMOBILE SILHOUETTE MINIVANS, AND CHEVROLET CAVALIER AND PONTIAC SUNFIRE SEDANS BUILT BETWEEN JANUARY 1, 1996 AND OCTOBER 31, 1997.ODI OPENED THIS RQ AFTER RECEIVING REPORTS THAT OTHER VEHICLES WERE EXHIBITING THE SAME SYMPTOMS AS THE RECALLED VEHICLES.BASED ON ODI'S REVIEW OF TECHNICAL AND COMPLAINT DATA COLLECTED DURING THE RQ, THE W-CARS ARE ASSOCIATED WITH EITHER A HIGHER STEERING COMPLAINT RATE OR A HIGHER LPB FAILURE RATE THAN THE OTHER VEHICLES INVESTIGATED UNDER THE RQ AND ARE ABOVE OR NEAR THE RATES FOR THE RECALLED VEHICLES.THUS, ODI WILL FURTHER EXAMINE THE W-CARS (1996-1997 OLDSMOBILE CUTLASS SUPREME, 1996-1998 BUICK REGAL, CHEVROLET LUMINA, CHEVROLET MONTE CARLO, 1997-1998 BUICK CENTURY, AND 1998 OLDSMOBILE INTRIGUE) UNDER A NEW INVESTIGATION, ENGINEERING ANALYSIS (EA)03-019.

Steering:rack And Pinion

GM CONDUCTED A SAFETY RECALL (NHTSA # 02V286) TO ADDRESS A STEERING DEFECT PERTAINING TO A LOWER PINION BEARING (LPB) WITHIN THE RACK AND PINION STEERING GEAR (R&P). THE RECALL COVERED 1,159,156 MODEL YEAR 1997-1998 PONTIAC GRAND PRIX VEHICLES BUILT BETWEEN MARCH 1, 1996 AND OCTOBER 31, 1997, 1996-1998 PONTIAC TRANS SPORT, CHEVROLET LUMINA APV, CHEVROLET VENTURE, OLDSMOBILE SILHOUETTE MINIVANS, AND CHEVROLET CAVALIER AND PONTIAC SUNFIRE SEDANS BUILT BETWEEN JANUARY 1, 1996 AND OCTOBER 31, 1997.ODI OPENED THIS RQ AFTER RECEIVING REPORTS THAT OTHER VEHICLES WERE EXHIBITING THE SAME SYMPTOMS AS THE RECALLED VEHICLES.BASED ON ODI'S REVIEW OF TECHNICAL AND COMPLAINT DATA COLLECTED DURING THE RQ, THE W-CARS ARE ASSOCIATED WITH EITHER A HIGHER STEERING COMPLAINT RATE OR A HIGHER LPB FAILURE RATE THAN THE OTHER VEHICLES INVESTIGATED UNDER THE RQ AND ARE ABOVE OR NEAR THE RATES FOR THE RECALLED VEHICLES.THUS, ODI WILL FURTHER EXAMINE THE W-CARS (1996-1997 OLDSMOBILE CUTLASS SUPREME, 1996-1998 BUICK REGAL, CHEVROLET LUMINA, CHEVROLET MONTE CARLO, 1997-1998 BUICK CENTURY, AND 1998 OLDSMOBILE INTRIGUE) UNDER A NEW INVESTIGATION, ENGINEERING ANALYSIS (EA)03-019.

EA00004 · Inadvertent Of Side Impact Air Bag

Opened Feb 15, 2000 · Closed Sep 28, 2000

Status: closed (inferred from source dates) · Air Bags:side/window

There is no summary currently available

PE99061 · Inadvertent Deployment Of Side Air Bag

Opened Sep 27, 1999 · Closed Feb 15, 2000

Status: closed (inferred from source dates) · Air Bags:side/window

THIS SIDE IMPACT AIR BAG CAN INADVERTENTLY DEPLOY DUE TO A NUMBER OF ROOT CAUSED INCLUDING: ERRONEOUS ACCELERATION INPUTS OR FALSE ACTIVATION OF THE AIR BAG DEPLOYMENT ALGORITHM DUE TO AN ELECTRICAL MALFUNCTION IN THE SENSING AND DIAGNOSTIC MODULE (SDM); FALSE ACTIVATION RESULTING FROM AN ELECTRICAL SHORT IN THE SDM WIRING HARNESS; AND FALSE ACCELERATION INPUTS RESULTING FROM IMPROPER SDM INSTALLATION.IN EACH CASE, IT IS POSSIBLE FOR THE INADVERTENT DEPLOYMENT TO OCCUR WITHOUT WARNING.THE SCOPE OF THE ENGINEERING ANALYSIS IS EXPANDED TO INCLUDE MY 1997 DEVILLE VEHICLES.ODI HAS IDENTIFIED 253 REPORTS ALLEGING INADVERTENT DEPLOYMENT OF A SIDE IMPACT AIR BAG ON 1997-1999 CADILLAC DEVILLE VEHICLES.GM HAS MADE 8 MODIFICATIONS IN THE MANUFACTURING OR DESIGN OF THE SIDE IMPACT SYSTEM IN THE SUBJECT VEHICLES SOME OF WHICH ARE FOCUSED ON REDUCING THE POTENTIAL FOR AN ELECTRICAL SHORT.INADVERTENT DEPLOYMENT OF A SIDE IMPACT AIR BAG CAN RESULT IN UNWARRANTED INJURIES TO OCCUPANTS AND PRESENTS THE POTENTIAL FOR LOSS OF VEHICLE CONTOL. AN ENGINEERING ANALYSIS IS WARRANTED TO DETERMINE IF A POTENTIAL SAFETY DEFECT EXISTS.