NHTSA owner reports · September 18, 2026 snapshot.
Service Brakes complaints
22 reportsClear category filter130,000 miles · Sep 23, 2015
Service Brakes
TL* THE CONTACT OWNS A 2005 CADILLAC CTS. THE CONTACT STATED THAT THE BRAKE LINES PREMATURELY CORRODED WITH EXTENSIVE RUST AND WERE REPLACED MORE THAN TWICE. THE VEHICLE WAS TAKEN TO THE DEALER WHO REPLACED THE BRAKE LINES ONCE. THE CONTACT ALSO HAD AN INDEPENDENT MECHANIC WHO REPLACED THE BRAKE LINES, BUT THE FAILURE RECURRED. …
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TL* THE CONTACT OWNS A 2005 CADILLAC CTS. THE CONTACT STATED THAT THE BRAKE LINES PREMATURELY CORRODED WITH EXTENSIVE RUST AND WERE REPLACED MORE THAN TWICE. THE VEHICLE WAS TAKEN TO THE DEALER WHO REPLACED THE BRAKE LINES ONCE. THE CONTACT ALSO HAD AN INDEPENDENT MECHANIC WHO REPLACED THE BRAKE LINES, BUT THE FAILURE RECURRED. WITHIN WEEKS, THE BRAKE PEDAL WAS APPLIED AND TRAVELED TO THE FLOORBOARD. THE VEHICLE WAS NOT REPAIRED. THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBERS: 10V105000 (SERVICE BRAKES, HYDRAULIC) AND 15V225000 (SERVICE BRAKES, HYDRAULIC). THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND PROVIDED NO REMEDY. THE APPROXIMATE FAILURE MILEAGE WAS 130,000.
NHTSA ODI #10773967
75,680 miles · Sep 8, 2015
Service Brakes
SERVICE BRAKE ASSIST MESSAGE ON SCREEN AND ABS/ TRAC CONTROL LIGHTS. BRAKES WERE CHECKED WITH NO ISSUES FOUND. ALSO ANTI-LOCKS WILL ACTIVE ON DRY ROAD FOR A SECOND OR TWO.
NHTSA ODI #10762191
104,600 miles · Aug 20, 2015
Power TrainService Brakes
AFTER A ROUTINE OIL CHANGE AT BROGAN CADILLAC SERVICE IN TOTOWA, NJ, THE RECOMMENDED SERVICE (APPROX COST $1200) WAS THE REAR DIFF BUSHING WAS WORN AND THE REAR AXLE SEALS ARE LEAKING FLUID. AN INTERNET SEARCH UNCOVERED GM RECALL# 07204 FOR THIS MAKE AND MODEL THAT STATES "THE REAR AXLE PINION SEAL DOES NOT MEET ALL OF THE S…
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AFTER A ROUTINE OIL CHANGE AT BROGAN CADILLAC SERVICE IN TOTOWA, NJ, THE RECOMMENDED SERVICE (APPROX COST $1200) WAS THE REAR DIFF BUSHING WAS WORN AND THE REAR AXLE SEALS ARE LEAKING FLUID. AN INTERNET SEARCH UNCOVERED GM RECALL# 07204 FOR THIS MAKE AND MODEL THAT STATES "THE REAR AXLE PINION SEAL DOES NOT MEET ALL OF THE SPECIFICATIONS AND MAY EXPERIENCE A FLUID LEAK." WHEN I CALLED GM TO INQUIRE ABOUT THIS ISSUE I WAS TOLD THAT ALTHOUGH THERE WAS A RECALL FOR THIS PARTICULAR PROBLEM FOR CARS SOLD IN NEW JERSEY, IT WAS SPECIFIC TO CERTAIN VIN NUMBERS AND MY VEHICLE WAS NOT INCLUDED IN THIS GROUP. HOWEVER, THE CUSTOMER SERVICE AGENT MADE 2 FOLLOW UP CALLS TO ME AND THE SUPERVISOR OFFERED TO LOOK INTO MY SITUATION AND WOULD CONTACT ME ONCE SHE SPOKE WITH THE DEALER. PLEASE NOTE: FOR THE PAST TWO OR THREE YEARS THE SERVICE STABILITY SYSTEM ALERT WARNING INDICATOR LIGHT COMES ON EVERY TIME I START THE CAR AND INQUIRY AT THE DEALER LED TO ME HAVE THE STRUTS AND SHOCKS REPLACED BUT THE ALERT HAS NEVER RESET AND THE WARNING STILL COMES ON. ADDITIONALLY, THE INTERNET SEARCH UNCOVERED GM RECALL #09149 FOR THE SERVICE BRAKE SYSTEMS WHICH THE ALERT HAS BEEN ON FOR A FEW YEARS AS WELL. THE BRAKE SYSTEM HAS BEEN SERVICED SEVERAL TIMES TO REPLACE PADS AND ROTORS AND THE WARNING IS STILL PERSISTENT. I HAD BEEN TOLD IT WAS THE SENSOR THAT NEEDS TO BE REPLACE AND NOT TO WORRYABOUT IT. NOW I WONDER IF THIS TOO WAS "VIN SPECIFIC" AND DID NOT INCLUDE MY VEHICLE BUT LEAVES ME UNSAFELY AT RISK. I REALIZE THAT ENORMOUS EXPENSE IS CONNECTED TO RECALLS, HOWEVER MY SAFETY AS WELL AS THE SAFETY OF EVERYONE WHO PLACES CONFIDENCE IN CAR MANUFACTURERS TO DO WHAT IS RIGHT IS AT STAKE. WE DRIVE THESE VEHICLES AND DO NOT REALIZE THE GAMBLE WE TAKE WHEN SERIOUS ISSUES ARE NOT DEALT WITH CONSIDERATION FOR SAFETY FIRST! WILL YOU PLEASE SAVE MY LIFE AND GET GM TO FIX MY CAR?
NHTSA ODI #10750185
125,000 miles · Jul 21, 2015
Service BrakesCrashInjury
I WAS DRIVING INTO A DRUGSTORE PARKING LOT AND AS I APPLIED THE BRAKES THE CAR SPED UP INSTEAD OF STOPPING, THE MORE I APPLIED THE BRAKES THE FASTER THE CAR WENT...IT APPEARS THAT THE SPEED WENT FROM ABOUT 10 MPH TO ABOUT 40 MPH AND AS A RESULT OF THIS, MY CAR SPED UP AND WENT ACROSS A BUSY INTERSECTION AND INTO ANOTHER DRUG…
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I WAS DRIVING INTO A DRUGSTORE PARKING LOT AND AS I APPLIED THE BRAKES THE CAR SPED UP INSTEAD OF STOPPING, THE MORE I APPLIED THE BRAKES THE FASTER THE CAR WENT...IT APPEARS THAT THE SPEED WENT FROM ABOUT 10 MPH TO ABOUT 40 MPH AND AS A RESULT OF THIS, MY CAR SPED UP AND WENT ACROSS A BUSY INTERSECTION AND INTO ANOTHER DRUGSTORE PARKING LOT. HAD IT NOT BEEN FOR THE PILLARS IN FROM OF THE SECOND DRUGSTORE, WE PROBABLY WOULD BE DEAD. THE CAR SIMPLY WOULD NOT STOP! IT EVENTUALLY STOPPED AFTER HITTING THE PILLARS AT THE SECOND DRUGSTORE. IT WAS GOD WHO BLESSED UP AND KEPT US HERE ON THIS EARTH..MY CAR WAS TOTALED. NOW I AM WITHOUT A VEHICLE. THIS CAR WAS A RUNAWAY CAR AT THE TIME THAT THE ACCIDENT OCCURRED.
NHTSA ODI #10735379
73,990 miles · Jun 17, 2015
Service BrakesUnknown Or Other
STARTING TO BACK OUT OF DRIVEWAY AND WHEN APPLYING BRAKES THEY ARE STIFF AND BARELY WORKING AND REALLY HARD TO STOP CAR.
NHTSA ODI #10725862
87,000 miles · Nov 10, 2014
Air BagsService BrakesCrash
TL* THE CONTACT OWNS A 2005 CADILLAC CTS. THE CONTACT STATED THAT WHILE ENTERING A DRIVEWAY, THE BRAKE PEDAL WAS DEPRESSED BUT THE VEHICLE FAILED TO RESPOND CAUSING THE CONTACT TO CRASH INTO THE GARAGE. THERE WERE NO INJURIES. ALSO, THE CONTACT STATED THAT THE BRAKE PEDAL DEPRESSED TO THE GROUND AND THE SERVICE BRAKE ASSIST WAR…
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TL* THE CONTACT OWNS A 2005 CADILLAC CTS. THE CONTACT STATED THAT WHILE ENTERING A DRIVEWAY, THE BRAKE PEDAL WAS DEPRESSED BUT THE VEHICLE FAILED TO RESPOND CAUSING THE CONTACT TO CRASH INTO THE GARAGE. THERE WERE NO INJURIES. ALSO, THE CONTACT STATED THAT THE BRAKE PEDAL DEPRESSED TO THE GROUND AND THE SERVICE BRAKE ASSIST WARNING LIGHT ILLUMINATED. THE AIR BAGS FAILED TO DEPLOY. THE DEALER WAS UNABLE TO DIAGNOSE THE FAILURE BUT WAS ABLE TO RESET THE ABS SYSTEM. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 87,000. UPDATED 12/22/14*LJ UPDATED 05/26/2015 *JS
NHTSA ODI #10654007
60,000 miles · Sep 19, 2014
Service Brakes
TL* THE CONTACT OWNS A 2005 CADILLAC CTS. THE CONTACT STATED THAT ADDITIONAL FORCE WAS REQUIRED ON THE BRAKE PEDAL AND THERE WAS AN ABNORMAL NOISE COMING FROM THE TIRE AREA. THE FAILURE OCCURRED ON NUMEROUS OCCASIONS. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE CONTACT WAS ADVISED THAT THE BRAKES WERE FUNCTIONING AS DESIGNED. …
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TL* THE CONTACT OWNS A 2005 CADILLAC CTS. THE CONTACT STATED THAT ADDITIONAL FORCE WAS REQUIRED ON THE BRAKE PEDAL AND THERE WAS AN ABNORMAL NOISE COMING FROM THE TIRE AREA. THE FAILURE OCCURRED ON NUMEROUS OCCASIONS. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE CONTACT WAS ADVISED THAT THE BRAKES WERE FUNCTIONING AS DESIGNED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 60,000.
NHTSA ODI #10637438
85,000 miles · Apr 30, 2014
Electronic Stability Control (esc)Service BrakesSteering
VEHICLE SHUTTERS/HESITATES (LIKE THE BRAKES ARE ENGAGING) AND THEN JERKS VIOLENTLY TO THE RIGHT INTO NEXT LANE. "SERVICE STABILITY SYS" MESSAGE COMES ON AND THEN GOES OFF. CADILLAC DEALER KEEPS "FIXING" IT AND CHARGING. PROBLEM RETURNS AGAIN WITHIN DAYS SOMETIMES HOURS. INTERNET IS LOADED WITH FOLKS WITH EXACT SAME PROBLEM AN…
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VEHICLE SHUTTERS/HESITATES (LIKE THE BRAKES ARE ENGAGING) AND THEN JERKS VIOLENTLY TO THE RIGHT INTO NEXT LANE. "SERVICE STABILITY SYS" MESSAGE COMES ON AND THEN GOES OFF. CADILLAC DEALER KEEPS "FIXING" IT AND CHARGING. PROBLEM RETURNS AGAIN WITHIN DAYS SOMETIMES HOURS. INTERNET IS LOADED WITH FOLKS WITH EXACT SAME PROBLEM AND CADILLAC SAYS THERE ARE NO RECALLS AND THEY CAN'T DIAGNOSE THE PROBLEM UNLESS THEY CAN DUPLICATE THE ISSUE WHILE A TECH IS DRIVING IT. I AM AFRAID TO DRIVE THE CAR. ANOTHER DRIVER ALMOST DROVE UP ON THE CURB WHEN HE HAD TO PULL AWAY FROM MY CAR MOVING UNEXPECTEDLY INTO HIS LANE. ALL OF THIS INFORMATION HAS BEEN SHARED WITH THE DEALER REPAIR DEPARTMENT. *JS
NHTSA ODI #10585707
98,137 miles · Aug 3, 2013
Service Brakes
THE EMERGENCY BRAKE DOES NOT WORK. I PRESS IT ALL THE WAY TO THE FLOOR AND THE VEHICLE WILL ROLL STILL. IT SEEMS THERE IS NO EMERGENCY BRAKE AT ALL. *TR
NHTSA ODI #10533421
15,000 miles · Jul 9, 2013
Service Brakes
INTERMITTENT BRAKE FAILURE, DURING SHARP RIGHT TURNS AT SLOW SPEEDS. MOST TIMES AS YOU PULL INTO A PARKING SPOT. STARTED AS A RUMBLE AND BUMPING STOP WHEN PULLING INTO PARKING SPOT, NOT LONG AFTER BUYING THE CAR, THOUGHT IT WAS JUST HOW ABS WORK?? OVER THE PAST 7 YEARS THIS HAS PROGRESSED TO WHERE THE BRAKE PEDDLE GOES TO THE …
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INTERMITTENT BRAKE FAILURE, DURING SHARP RIGHT TURNS AT SLOW SPEEDS. MOST TIMES AS YOU PULL INTO A PARKING SPOT. STARTED AS A RUMBLE AND BUMPING STOP WHEN PULLING INTO PARKING SPOT, NOT LONG AFTER BUYING THE CAR, THOUGHT IT WAS JUST HOW ABS WORK?? OVER THE PAST 7 YEARS THIS HAS PROGRESSED TO WHERE THE BRAKE PEDDLE GOES TO THE FLOOR AND THE CAR DOESN'T STOP. I'VE BROUGHT IT TO THE ATTENTION OF THE DEALER WHO CAN NEVER RECREATE, THEREFORE CANNOT FIX. WE RECENTLY MOVED, AND IN OUR NEW DRIVEWAY, I MUST MAKE A VERY SHARP RIGHT TURN INTO MY GARAGE, I'VE ALMOST HIT MY HOUSE MULTIPLE TIMES DUE TO THE BRAKE FAILURE. LAST WEEK ALMOST HIT A PARKED CAR PULLING INTO A PARKING SPOT...IT TOOK 1/2 THE DISTANCE OF THE SPACE AND MY SON PUTTING CAR INTO REVERSE TO AVOID THE COLLISION. CAR IS BACK AT THE DEALER AGAIN AND THEY WANT TO CHARGE ME $2,500 TO TRY A FEW THINGS BUT NOT SURE IF ANY OF THEM WILL FIX THE ISSUE. THERE ARE MANY COMPLAINT ABOUT THIS FOR A FEW CTS YEARS (2004-2007 IT APPEARS) BUT GM HAS NOT TAKEN RESPONSIBILITY OR ACKNOWLEDGED AN ISSUE. DOES SOMEONE NEED TO BE KILLED FIRST? *TR
NHTSA ODI #10523979
Official recalls
6Sep 9, 2014
General Motors LLC (GM) is recalling certain model year 2004-2007 Cadillac CTS-V vehicles manufactured October 6, 2003, to March 15, 2007, and 2006-2007 Cadillac STS-V vehicles manufactured June 23, 2005, to March 15, 2007. In the affected vehicles, the electrical terminals of the fuel pump module may overheat resulting in the melting of the flange material.
Consequence & remedy
Consequence: If the flange melts, a hole may be created allowing the fuel pump to leak fuel, causing the vehicle to stall, increasing the risk of a vehicle crash. Additionally, leaking fuel in the presence of an ignition source increases the risk of a fire.
Remedy: GM will notify owners, and dealers will replace the fuel module and fuel tank jumper harness, free of charge. GM sent out interim notices in late October. The recall began on March 12, 2015. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is 14405.
Jul 2, 2014
This defect can affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. General Motors LLC (GM) notified the agency on July 2, 2014 that they are recalling 554,328 model year 2003-2014 Cadillac CTS vehicles manufactured August 16, 2001, to April 28, 2014, and 2004-2006 Cadillac SRX vehicles manufactured March 20, 2003, to August 11, 2006. In these models, the weight on the key ring and/or road conditions or some other jarring event may cause the ignition switch to move out of the run position, turning off the engine.
Consequence & remedy
Consequence: If the key is not in the run position, the air bags may not deploy if the vehicle is involved in a crash, increasing the risk of injury.
Remedy: GM will notify owners, and dealers will install two key rings and an insert in the key slot or a cover over the key head on all ignition keys, free of charge. The recall began on September 15, 2014. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is 14172.
Dec 17, 2010
GENERAL MOTORS IS RECALLING CERTAIN MODEL YEAR 2005-2007 CADILLAC CTS VEHICLES. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH REPEATED FLEXING OF THE PASSENGER SENSING SYSTEM MAT IN THE FRONT PASSENGER SEAT MAY CAUSE THE MAT TO KINK, BEND, OR FOLD. THIS FLEXING CAN BREAK THE CONNECTIONS IN THE MAT. IF THIS OCCURS, THE SENSOR MAY NOT DETECT THE PRESENCE OF A FRONT SEAT PASSENGER AND WILL DISABLE THE AIR BAG.
Consequence & remedy
Consequence: NON-DEPLOYMENT OF THE FRONT PASSENGER AIR BAG IN THE EVENT OF A CRASH NECESSITATING THAT AIR BAG'S DEPLOYMENT MAY REDUCE PROTECTION OF THE PASSENGER AND INCREASE THE RISK OR SEVERITY OF INJURY TO THEM.
Remedy: DEALERS WILL REPLACE THE PASSENGER SENSING SYSTEM FREE OF CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN ON OR ABOUT MARCH 15, 2011. OWNERS MAY CONTACT CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463 AND AT THE OWNER CENTER AT WWW.GMOWNERCENTER.COM.
Mar 17, 2010
GENERAL MOTORS HAS NOTIFIED NHTSA OF A DEFECT IN CERTAIN MODEL YEAR 2003-2007 CADILLAC CTS VEHICLES CURRENTLY REGISTERED IN OR ORIGINALLY SOLD IN CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WASHINGTON D.C., WEST VIRGINIA AND WISCONSIN. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH THE FRONT BRAKE HOSE FITTING AT THE CALIPER MAY CORRODE DUE TO SNOW OR WATER, CONTAINING ROAD SALT OR OTHER CONTAMINANTS, ENTERING AND BEING RETAINED IN THE ROUTING SLEEVE. IF THE FITTING CORRODES SIGNIFICANTLY, THE BRAKE HOSE-TUBE INTERFACE MAY DEVELOP A LEAK.
Consequence & remedy
Consequence: THE BRAKE HOSE-TUBE INTERFACE MAY RUPTURE SUDDENLY WITHOUT PRIOR WARNING AND INCREASE VEHICLE STOPPING DISTANCE MAY OCCUR INCREASING THE RISK OF A CRASH.
Remedy: DEALERS ARE TO REPLACE BOTH FRONT BRAKE HOSE ASSEMBLIES FREE OF CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN DURING MAY 2010. OWNERS MAY CONTACT CADILLAC AT 1-866-982-2339 OR AT THE OWNER CENTER AT WWW.GMOWNERCENTER.COM.
Dec 20, 2007
ON CERTAIN PASSENGER VEHICLES, THE REAR AXLE PINION SEAL DOES NOT MEET ALL OF THE SPECIFICATIONS AND MAY EXPERIENCE A FLUID LEAK.
Consequence & remedy
Consequence: A REAR DIFFERENTIAL FAILURE MAY CAUSE LOSS OF MOTIVE POWER AND POSSIBLY LOSS OF CONTROL INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL REPLACE THE PINION SEAL FREE OF CHARGE. THE RECALL BEGAN ON FEBRUARY 1, 2008. OWNERS MAY CONTACT CADILLAC AT 1-800-458-8006 OR HTTP://WWW.CADILLAC.COM; PONTIAC AT 1-800-620-7668 OR HTTP://WWW.PONTIAC.COM; AND SATURN AT 1-800-972-8876 OR HTTP://WWW.SATURN.COM.
Jan 25, 2006
CERTAIN VEHICLES EQUIPPED WITH V6 ENGINES MAY HAVE A CONDITION WHERE FUEL IS NO LONGER SUPPLIED TO THE ENGINE. THIS CONDITION OCCURS WITHOUT THE ILLUMINATION OF THE FUEL LEVEL LOW INDICATOR LIGHT OR THE WARNING CHIME.
Consequence & remedy
Consequence: IF THE ENGINE STOPS RUNNING, THE OPERATOR WILL NOT BE ABLE TO RESTART THE VEHICLE WHICH COULD INCREASE THE RISK OF A CRASH.
Remedy: DEALERS WILL REPROGRAM THE ELECTRONIC CONTROL MODULE (ECM) WITH NEW SOFTWARE FREE OF CHARGE. OWNERS WERE NOTIFIED IN DECEMBER 2005 AND ASKED TO MAINTAIN AT LEAST 1/4 OF A TANK FUEL LEVEL TO AVOID THIS CONDITION UNTIL THE PARTS ARE AVAILABLE. THE PARTS ARE NOW AVAILABLE, OWNER RENOTIFICATION BEGAN ON MARCH 23, 2006. OWNERS MAY CONTACT CADILLAC AT 1-866-982-2339.
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
3EQ11001 · Iee Passenger Sensing System Mats
Opened Feb 7, 2011 · Closed Jul 19, 2011
Status: closed (inferred from source dates) · Air Bags:frontal:sensor/control MODULE-INACTIVE
On December 17, 2010, General Motors (GM) notified the NHTSA that it had decided certain 2005 - 2007 model year Cadillac CTS vehicles contain a safety related defect.GM stated that certain CTS vehicles contain a passenger sensing system mat, manufactured by IEE, in the front passenger seat that may flex causing the mat to kink, bend or fold.If this flexing causes the connections in the mat to break, the passenger airbag could become disabled.Non-deployment of the front passenger air bag in the event of a crash necessitating that air bag's deployment may reduce protection of the passenger and increase the risk or severity of injury to them.This issue was assigned recall number 10V-644.On February 8, 2011, RMD mailed an information request (IR) letter to IEE requesting a list of purchasers for any company that was sold the same or similar defective mats.RMD also requested IEE supply the year, make and models of compatible vehicles for each of the mats it listed in its response.IEE responded on February 15, 2011, reporting that the mats recalled in GM recall 10V-644 were developed specifically for the 2005-2007 Cadillac CTS.IEE noted that, ...the CTS Sensor Mat is not the same or similar to any other sensor mat manufactured by IEE.IEE further explained that the sensor mats were sold to Lear Corp. (Lear), for incorporation into seat assemblies, with the seat assemblies finally being sold to GM.Also, some sensor mats were sold to Integrated Manufacturing and Assembly, LLC (IMA) who would then re-sell the mats to GM to use as service parts.Ultimately, these parts were all sold to GM for use in the 2005-2007 Cadillac CTS vehicles.According to its 10V-644 Defect Report, GM reported that some vehicles outside the recall population have ...significantly lower incident rates and will be provided a special coverage.This special coverage includes a free repair should the same issue occur to non-recalled 2005-2007 Cadillac CTS vehicles up to 10 years or 120,000 miles.On April 7, 2011, RMD mailed an IR letter to GM to gather more information on GM's decision to only recall a portion of the vehicles that contained the subject IEE mats.RMD also requested that GM provide updated to current warranty claims, field reports, and other field information for CTS vehicles both recalled and those under the special coverage.On May 19, 2011, GM responded with a letter and several CD attachments that were submitted to NHTSA's Office of the Chief Counsel along with a request for confidentiality.GM confirmed that the IEE mats recalled in 10V-644 were only used in the 2005-2007 Cadillac CTS.GM also explained its reasoning in only recalling a portion of the CTS vehicles containing IEE mats.Due to various production phases, error detections, and false corrections, certain vehicles were more prone to mat failures than other vehicles.GM identified 4 distinct seat assembly production periods and chose to recall CTS vehicles depending on which seat assembly each vehicle received.Examining the data submitted in regards to warranty claims, field reports, and incidents, the CTS vehicles that were included in the safety recall were responsible for about 80% of the overall claims.CTS vehicles included in the special coverage (essentially an extended warranty), those with seat assemblies from other identified production phases, were responsible for about 20% of the overall claims.As GM has provided clear data to support its recall decision and since no other manufacturer has installed these same or similar passenger sensing system mats / seat assemblies in their vehicles, this Equipment Query is satisfied.This EQ is cl
EA07017 · Rear Drivetrain Component Failure
Opened Dec 7, 2007 · Closed Jul 16, 2008
Status: closed (inferred from source dates) · Power Train:driveline:differential Unit
IN JULY OF 2007 THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED PE07-037 TO INVESTIGATE ALLEGATIONS THAT THE REAR DIFFERENTIAL MAY FAIL CAUSING A LOSS OF MOTIVE POWER, AND IN SOME INSTANCES A LOSS OF CONTROL, IN MODEL YEAR (MY) 2004 THROUGH 2006 CADILLAC CTS, CTS-V, AND STS VEHICLES.AS A RESULT OF THAT INVESTIGATION GM ISSUED RECALL 07V-589 TO CORRECT A LEAKING PINION SEAL PROBLEM.EA07-017 WAS OPENED TO INVESTIGATE COMPLAINTS OF FRACTURED REAR DIFFERENTIAL HOUSINGS OR REAR HALF SHAFTS IN HIGH PERFORMANCE CADILLAC CTS-V VEHICLES.ACCORDING TO GM, THESE FAILURES RESULTED FROM THE CUMULATIVE DAMAGE FROM MULTIPLE POWER HOP EVENTS THAT CAN OCCUR DURING VERY AGGRESSIVE DRIVING. IN FEBRUARY 2008 INVESTIGATORS FROM ODI MET WITH GM REPRESENTATIVES TO CONDUCT TESTING OF THE SUBJECT CTS-V VEHICLES.DURING THE TESTING THE SUBJECT VEHICLES WERE SUBJECTED TO CONSIDERABLE TORSIONAL FORCES FROM STANDING STARTS AND WHILE DRIVING.POWER HOP OCCURRED DURING SOME OF THE MOST AGGRESSIVE DRIVING MANEUVERS.THE TESTING DID NOT RESULT IN FAILURE OF ANY REAR DRIVETRAIN COMPONENTS.THE ENGINEERING DESIGN AND TESTING DATA SUPPLIED TO ODI BY GM AND THE RESULTS OF THE TESTING CONDUCTED BY ODI TEND TO SUPPORT GM'S POSITION THAT THE DIFFERENTIAL DESIGN IS NOT DEFECTIVE. COMPLAINTS LISTED IN THE FAILURE REPORT DO NOT INCLUDE THOSE INDICATIVE OF FAILURE OF THE REAR PINION SEAL IN CTS-V VEHICLES COVERED BY RECALL 07V-589. FURTHER INVESTIGATION IN THIS MATTER WOULD NOT BE AN EFFICIENT ALLOCATION OF AGENCY RESOURCES.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.SEE ATTACHED CLOSING REPORT FOR FURTHER DETAILS.
PE07037 · Failure Of The Rear Differential
Opened Jul 17, 2007 · Closed Dec 27, 2007
Status: closed (inferred from source dates) · Power Train:driveline:differential Unit
ODI EVALUATED TWO DIFFERENT ALLEGED DEFECTS INVOLVING REAR DRIVETRAIN COMPONENTS DURING THIS PRELIMINARY EVALUATION.GM IS CONDUCTING A RECALL TO ADDRESS ONE OF THE DEFECT CONDITIONS AND ODI HAS OPENED AN ENGINEERING ANALYSIS TO CONTINUE ITS INVESTIGATION OF THE OTHER ALLEGED DEFECT. ON DECEMBER 19, 2007, GM SUBMITTED A DEFECT INFORMATION REPORT TO NHTSA CONCERNING DEFECTIVE REAR AXLE PINION SEALS IN APPROXIMATELY 275,936 MODEL YEAR (MY) 2005-07 CADILLAC CTS, STS AND SRX VEHICLES AS WELL AS MY 2006-07 PONTIAC SOLSTICE AND MY 2007 SATURN SKY VEHICLES (RECALL 07V-589).ON STS AND SRX VEHICLES WITH ALL WHEEL DRIVE, THE FRONT AXLE PINION SEAL ALSO DOES NOT MEET ALL OF GM'S SPECIFICATIONS AND MAY EXPERIENCE A FLUID LEAK.GM INDICATED THAT THE SEAL SUPPLIER MADE AN UNAUTHORIZED CHANGE TO THE PINION SEAL MATERIAL.LEAKING PINION SEALS COULD RESULT IN LOSS OF REAR DIFFERENTIAL LUBRICATION WHICH COULD RESULT IN REAR WHEEL LOCK-UP AND LOSS OF VEHICLE CONTROL. ON DECEMBER 7, 2007, ODI OPENED AN ENGINEERING ANALYSIS (EA07-017) TO INVESTIGATE COMPLAINTS OF REAR DRIVETRAIN COMPONENT FAILURE (E.G., FRACTURED REAR DIFFERENTIAL CARRIER HOUSING OR REAR AXLE HALF SHAFTS) WHILE DRIVING IN APPROXIMATELY 7,600 MY 2004 THROUGH 2006 CADILLAC CTS-V VEHICLES.THIS CONDITION MAY RESULT IN A LOSS OF MOTIVE POWER AND VEHICLE DISABLEMENT AND IS NOT ADDRESSED BY RECALL 07V-589.ODI IDENTIFIED 35 COMPLAINTS (16 TO ODI AND 19 TO GM) AND 128 WARRANTY CLAIMS POTENTIALLY RELATED TO THIS CONDITION (SEE EA07-017 OPENING RESUME).THESE COMPLAINTS ARE NOT INCLUDED IN THE FAILURE REPORT SUMMARY OF THIS CLOSING RESUME. THE COMPLAINTS AND WARRANTY FIGURES GIVEN IN THIS RESUME ARE LIMITED TO THOSE THAT (A) ARE MOST LIKELY CAUSED BY A LEAKING REAR PINION SEAL; AND (B) RESULTED IN AN ALLEGATION OF A REAR DIFFERENTIAL FAILURE WHILE DRIVING.THE DATA DO NOT INCLUDE ALL REPORTS OF SEAL LEAKAGE.
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