FaultScore

FaultScore report

2012 GMC Sierra problems

Owners have filed 46 complaints about the 2012 GMC Sierra with NHTSA between 2012 and 2021. The largest single group is the electrical system. Across this model's run it ranks 10 of 24 worst.

C

FaultScore 56/100

Higher is worse. Measured against the other years of the GMC Sierra.

How this is worked out

The numbers

46

Complaints

7

Crashes reported

7

Fires reported

0

Injuries reported

25,371 mi

Median mileage at failure

Half of reported failures happened before this

61%

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 12 vs 50 Severity 100 vs 50 Early failure 100 vs 50
The dashed ring is 50 — the national norm. Further out is worse.
Complaint volume — 12
Against the median year of the GMC Sierra. 50 means typical for this model; 100 means roughly double.
Severity — 100
30.4% of these complaints involved a crash, fire, injury or death, against a national rate of 9.7%.
Early failure — 100
61% of failures with a mileage on record happened under 36,000 miles, against a national rate of 29%.

How 2012 compares with every other GMC Sierra

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 2012 GMC Sierra

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

Electrical System 7 15.2%

1 crashes, 1 fires · median 25,072 mi

Body & Structure 6 13.0%

0 crashes, 2 fires · median 21,725 mi

Engine & Cooling 6 13.0%

0 crashes, 2 fires · median 11,000 mi

Brakes 4 8.7%

2 crashes, 0 fires · median 48,974 mi

Airbags 4 8.7%

1 crashes, 0 fires · median 20,000 mi

Other & Unspecified 3 6.5%

Median failure at 49,000 miles

Steering 3 6.5%

1 crashes, 0 fires · median 60,000 mi

Stability & Traction Control 2 4.3%

1 crashes, 0 fires · median 32,250 mi

Windows, Mirrors & Wipers 2 4.3%

Median failure at 25,371 miles

Acceleration & Cruise Control 2 4.3%

Median failure at 6,272 miles

Suspension 2 4.3%

1 crashes, 0 fires · median 21,934 mi

Transmission & Drivetrain 2 4.3%

Median failure at 54,585 miles

Doors, Latches & Locks 1 2.2%

Median failure at 25,371 miles

Wheels 1 2.2%

0 crashes, 1 fires · median 2,000 mi

Lights 1 2.2%

0 crashes, 1 fires · median 12,000 mi

When it fails

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

Under 1,000 miles 3 6.8%
1,000 – 9,999 miles 7 15.9%
10,000 – 24,999 miles 10 22.7%
25,000 – 49,999 miles 12 27.3%
50,000 – 74,999 miles 8 18.2%
75,000 – 99,999 miles 1 2.3%
100,000 – 149,999 miles 3 6.8%

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 2012 peak 5 Jun 2021

Recalls on the 2012 GMC Sierra

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.

United States — NHTSA

14V827000

ELECTRICAL SYSTEM:IGNITION

General Motors LLC (GM) is recalling certain model year 2011-2012 Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche, Silverado HD, Silverado LD, Suburban, Tahoe, GMC Sierra LD, Sierra HD, Yukon, and Yukon XL vehicles. In the affected vehicles, the ignition lock actuator may bind, making turning the key difficult or causing the ignition to get stuck in the "Start" position.

Risk: If stuck in the "Start" position, the ignition may suddenly snap back into the "Accessory" position, causing a loss of engine, steering, and braking power, increasing the risk of a vehicle crash. If the vehicle is in a crash, the air bags may not deploy, increasing the risk of occupant injury.

13V615000

FUEL SYSTEM, DIESEL

General Motors LLC (GM) is recalling certain model year 2012-2013 Chevrolet Silverado HD and GMC Sierra HD vehicles, equipped with 6.6L diesel engines and dual fuel tanks. In the affected vehicles, the transfer pump which moves fuel from the rear tank to the front tank could malfunction and cause the fuel gauge to indicate an inaccurate reading.

Risk: If the fuel gauge indicates an inaccurate reading it may result in the vehicle unexpectedly stalling, increasing the risk of a crash.

Canada — Transport Canada

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

Recall 2021028 295,974 units in Canada

Airbag

Issue: On certain vehicles, long-term exposure to high absolute humidity and temperature, combined with high temperature cycling, may eventually degrade the propellant contained in the passenger-front airbag. This could cause the airbag to deploy with more force than normal. If the airbag inflator ruptures, fragments could be propelled toward vehicle occupants or cause damage to the airbag assembly, preventing its proper function. Safety Risk: If the vehicle is involved in a crash requiring an airbag deployment, the airbag inflator could rupture and create a risk of injury. Corrective Action: General Motors will notify owners by mail and instruct you to take your vehicle to a dealer to replace the passenger-front airbag. Note: The Canadian climate results in the propellant degrading slowly. This recall is being conducted as a precaution to address future risk. It is expected that all airbag inflators will be replaced before their function would be affected.

Recall 2021025 614 units in Canada

Airbag

Issue: Long-term exposure to high absolute humidity and temperature, combined with high temperature cycling, may eventually degrade the propellant contained in the passenger-front airbag. This could cause the airbag to deploy with more force than normal. If the airbag inflator ruptures, fragments could be propelled toward vehicle occupants or cause damage to the airbag assembly, preventing its proper function. Note: This recall is for vehicles that were originally sold or ever registered in certain areas of the United States that experience high or moderate levels of heat and humidity, and that were subsequently imported into Canada. Affected states: American Samoa and the U.S. Virgin Islands, Alabama, Arizona, Arkansas, California, Delaware, District of Columbia, Florida, Georgia, Guam, Hawaii, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maryland, Mississippi, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Puerto Rico, South Carolina, Tennessee, Texas, the Northern Mariana Islands (Saipan), Virginia and West Virginia. Safety Risk: If the vehicle is involved in a crash requiring an airbag deployment, the airbag inflator could rupture and create a risk of injury. Corrective Actions: General Motors will notify owners by mail and instruct you to take your vehicle to a dealer to replace the passenger-front airbag inflator. Note: This recall is being conducted as a precaution to address future risk. It is expected that all air

Recall 2015002 10,651 units in Canada

Electrical

On certain vehicles, a defect in the ignition lock cylinder could cause the key to stick in the "start" position if the vehicle interior temperature is sufficiently high. If the vehicle is operated in this condition and the interior temperature cools or the vehicle goes off-road or is subjected to some other jarring event, the key could move out of the "start" position, rotate past the "run" position and into the "accessory" position. If this were to occur, engine power, power steering and power braking would be affected, increasing the risk of a crash causing injury and/or damage to property. The timing of the key movement out of the “run” position, relative to the activation of the sensing algorithm of the crash event, may also result in the airbags not deploying in a subsequent collision, increasing the risk of injury. Correction: Dealers will inspect the steering column for identifying information and replace if necessary.

Recall 2013438 342 units in Canada

Fuel System

On certain pickup trucks equipped with a 6.6L diesel engine and dual fuel tanks, the fuel tank transfer pump may malfunction, stopping the transfer of fuel from the rear tank to the front tank. This could cause the fuel gauge to display an inaccurate reading, and cause the front tank to become empty while fuel remains in the rear tank. This could result in engine stalling which, in conjunction with traffic, road conditions, and driver's reactions, could increase the risk of a crash causing injury and/or property damage. Correction: Dealers will replace the fuel transfer pump.

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 75,000 miles Atlanta, GA Crash

ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2012 GMC SIERRA. THE CONTACT STATED THAT THE VEHICLE EXPERIENCED A LOSS OF POWER WHICH RESULTED IN A FRONT END COLLISION WITH A GUARDRAIL. WHEN THE FAILURE OCCURRED, ALL THE WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS ABLE TO BE OPERATED AFTER THE CRASH. THE VEHICLE WAS NOT TAKEN TO A DEALER OR INDEPENDENT MECHANIC TO BE DIAGNOSED OR REPAIRED. A POLICE REPORT WAS FILED. THERE WERE NO INJURIES. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 75,000.

NHTSA complaint #10810661 — an unverified report by a vehicle owner.

at 54,500 miles Plumas Lake, CA Crash

SERVICE BRAKES

PULLING INTO A PARKING SPOT IN A PARKING GARAGE GOING NO MORE THAN 3 MILES PER HOUR, OR HOWEVER FAST THIS VEHICLE CAN GO WHILE FOOT IS RESTING ON BRAKE, GETTING READY TO FULLY BRAKE. AS I PRESSED DOWN ON BRAKE TO STOP, THE VEHICLE CONTINUED AS IF THE ANTI-LOCK BRAKE SYSTEM SLIPPED, CAUSING THE TRUCK TO DRIVE FORWARD CRASHING THROUGH THE SHEETROCK WALL AND FINALLY STOPPING AFTER HITTING THE GLASS WINDOWS. TWO WEEKS LATER, AFTER ALL COSMETIC REPAIRS WERE DONE, THE VEHICLE DID THE SAME THING IN ANOTHER PARKING LOT, BUT LUCKILY BROKE BEFORE HITTING THE CURB AND LIGHT POST. I DID FEEL UNDER MY FOOT ON THE BRAKE PEDDLE, AS I PRESSED DOWN TO STOP, A SLIP OF SOME SORT WHICH AT THE SAME TIME CAUSED THE VEHICLE TO PUSH FORWARD RIGHT BEFORE STOPPING. THIS IS DEFINITELY A MALFUNCTION OF SOME SORT WITH THE ANTI-LOCK BRAKE SYSTEM.

NHTSA complaint #10615633 — an unverified report by a vehicle owner.

at 54,500 miles Plumas Lake, CA Crash

ELECTRONIC STABILITY CONTROL (ESC)

PULLING INTO A PARKING SPOT IN A PARKING GARAGE GOING NO MORE THAN 3 MILES PER HOUR, OR HOWEVER FAST THIS VEHICLE CAN GO WHILE FOOT IS RESTING ON BRAKE, GETTING READY TO FULLY BRAKE. AS I PRESSED DOWN ON BRAKE TO STOP, THE VEHICLE CONTINUED AS IF THE ANTI-LOCK BRAKE SYSTEM SLIPPED, CAUSING THE TRUCK TO DRIVE FORWARD CRASHING THROUGH THE SHEETROCK WALL AND FINALLY STOPPING AFTER HITTING THE GLASS WINDOWS. TWO WEEKS LATER, AFTER ALL COSMETIC REPAIRS WERE DONE, THE VEHICLE DID THE SAME THING IN ANOTHER PARKING LOT, BUT LUCKILY BROKE BEFORE HITTING THE CURB AND LIGHT POST. I DID FEEL UNDER MY FOOT ON THE BRAKE PEDDLE, AS I PRESSED DOWN TO STOP, A SLIP OF SOME SORT WHICH AT THE SAME TIME CAUSED THE VEHICLE TO PUSH FORWARD RIGHT BEFORE STOPPING. THIS IS DEFINITELY A MALFUNCTION OF SOME SORT WITH THE ANTI-LOCK BRAKE SYSTEM.

NHTSA complaint #10615633 — an unverified report by a vehicle owner.

at 2,000 miles Olathe, KS Fire

WHEELS

WHILE THE VEHICLE WAS BEING DRIVEN, IT JUST WENT DEAD, NO ENGINE, NO ELECTRIC, NO NOTHING. THE VEHICLE WAS LEFT IN PLACE AND AT SOME POINT, CAUGHT FIRE AND BURNED. A TOTAL LOSS. TO DATE, THE INSURANCE COMPANY HAS NOT PAID ME FOR MY LOSS BUT RATHER HAS GONE TO GREAT LENGTHS TO INVESTIGATE ME PERSONALLY, LOOKING FOR ANY REASON TO NOT PAY. SO, I'VE BEEN MAKING TWO VEHICLE PAYMENTS FOR THE LAST 8 MONTHS. AS A RESULT, I AM STRUGGLING FINANCIALLY.

NHTSA complaint #10575697 — an unverified report by a vehicle owner.

at 2,000 miles Olathe, KS Fire

STRUCTURE:BODY

WHILE THE VEHICLE WAS BEING DRIVEN, IT JUST WENT DEAD, NO ENGINE, NO ELECTRIC, NO NOTHING. THE VEHICLE WAS LEFT IN PLACE AND AT SOME POINT, CAUGHT FIRE AND BURNED. A TOTAL LOSS. TO DATE, THE INSURANCE COMPANY HAS NOT PAID ME FOR MY LOSS BUT RATHER HAS GONE TO GREAT LENGTHS TO INVESTIGATE ME PERSONALLY, LOOKING FOR ANY REASON TO NOT PAY. SO, I'VE BEEN MAKING TWO VEHICLE PAYMENTS FOR THE LAST 8 MONTHS. AS A RESULT, I AM STRUGGLING FINANCIALLY.

NHTSA complaint #10575697 — an unverified report by a vehicle owner.

at 2,000 miles Olathe, KS Fire

ENGINE

WHILE THE VEHICLE WAS BEING DRIVEN, IT JUST WENT DEAD, NO ENGINE, NO ELECTRIC, NO NOTHING. THE VEHICLE WAS LEFT IN PLACE AND AT SOME POINT, CAUGHT FIRE AND BURNED. A TOTAL LOSS. TO DATE, THE INSURANCE COMPANY HAS NOT PAID ME FOR MY LOSS BUT RATHER HAS GONE TO GREAT LENGTHS TO INVESTIGATE ME PERSONALLY, LOOKING FOR ANY REASON TO NOT PAY. SO, I'VE BEEN MAKING TWO VEHICLE PAYMENTS FOR THE LAST 8 MONTHS. AS A RESULT, I AM STRUGGLING FINANCIALLY.

NHTSA complaint #10575697 — an unverified report by a vehicle owner.

The most recent complaints

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

Plantation, FL

AIR BAGS

2012 GMC SIERRA. CONSUMER WRITES IN REGARDS TO PASSENGER SIDE AIRBAG SAFETY RECALL. THE CONSUMER STATED THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME COMPLETING THE RECALL REPAIR.

NHTSA complaint #11419608 — an unverified report by a vehicle owner.

at 65,722 miles Warren, ME

POWER TRAIN

WHILE DRIVING AT NORMAL HIGHWAY SPEED, TRUCK SHUT OFF EXCEPT FOR THE LIGHTS. LOST POWERS STEERING, BRAKES ETC. ONCE I GOT THE TRUCK PULLED OVER AND STOPPED, ATTEMPTED TO RESTART. WAS UNABLE TO DO SO UNTIL THE 4TH ATTEMPT DURING A 5 MINUTES TIME SPAN. ONCE STARTED, APPEARED TO BE RUNNING FINE EXCEPT FOR THE MIL ON THE DASHBOARD WHICH WAS LIT.

NHTSA complaint #10854466 — an unverified report by a vehicle owner.

at 49,000 miles Shreveport, LA

UNKNOWN OR OTHER

DASHBOARD IS CRACKED NEAR THE PASSENGER SIDE AIRBAG CLOSE TO THE WINDSHIELD. VEHICLE HAS NEVER BEEN IN AN ACCIDENT OR HAD THE AIRBAGS DEPLOYED. CRACK OCCURRED JUST BEFORE 50,000 MILES.

NHTSA complaint #10852392 — an unverified report by a vehicle owner.

at 72,000 miles NEW Roads, LA

UNKNOWN OR OTHER

DASHBOARD CRACKING ABOVE INSTRUMENT PANEL.

NHTSA complaint #10850606 — an unverified report by a vehicle owner.

at 22,000 miles Bartow, FL

ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH

TL* THE CONTACT OWNS A 2012 GMC SIERRA 1500. THE CONTACT STATED THAT THE DASHBOARD NEAR THE PASSENGER SIDE AIR BAG WAS FRACTURED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE DASHBOARD NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 22,000.

NHTSA complaint #10850234 — an unverified report by a vehicle owner.

at 67,000 miles Collierville, TN

STRUCTURE:BODY

TL* THE CONTACT OWNS A 2012 GMC SIERRA. THE CONTACT STATED THAT THE DASHBOARD NEAR THE PASSENGER SIDE AIR BAG WAS FRACTURED. THE CONTACT TOOK THE VEHICLE TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE DASHBOARD NEEDED TO BE REPLACED. THE CONTACT INFORMED THE MANUFACTURER OF THE FAILURE. THE MANUFACTURER STATED THAT THE DASHBOARD WOULD BE ABLE TO BE REPLACED AT A DISCOUNTED PRICE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 67,000. UPDATED 09/28/16*LJ

NHTSA complaint #10818603 — an unverified report by a vehicle owner.

at 75,000 miles Atlanta, GA Crash

ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2012 GMC SIERRA. THE CONTACT STATED THAT THE VEHICLE EXPERIENCED A LOSS OF POWER WHICH RESULTED IN A FRONT END COLLISION WITH A GUARDRAIL. WHEN THE FAILURE OCCURRED, ALL THE WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS ABLE TO BE OPERATED AFTER THE CRASH. THE VEHICLE WAS NOT TAKEN TO A DEALER OR INDEPENDENT MECHANIC TO BE DIAGNOSED OR REPAIRED. A POLICE REPORT WAS FILED. THERE WERE NO INJURIES. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 75,000.

NHTSA complaint #10810661 — an unverified report by a vehicle owner.

at 32,000 miles Lake Charles, LA

UNKNOWN OR OTHER

DASH IS CRACKING AROUND MY PASSENGER AIRBAG. THE CRACK IS IN FRONT OF THE PASSENGER AIRBAG CLOSER TO THE WINDSHIELD. VEHICLE ONLY HAS 32,000 MILES BUT IS JUST OUT OF THE 3 YEAR BUMPER TO BUMPER WARRANTY.

NHTSA complaint #10790780 — an unverified report by a vehicle owner.

at 40,000 miles Russellville, AR

AIR BAGS

DASH CRACKED AROUND AIRBAG MODULE

NHTSA complaint #10790408 — an unverified report by a vehicle owner.

at 20,000 miles Seffner, FL

AIR BAGS

THE DASH THAT SUPPORTS THE AIR BAG ON THE PASSENGER SIDE IS CRACKING AND COULD POSSIBLY PUNCTURE THE AIR BAG OR SEND PARTS OF THE DASH FLYING A OCCUPANTS DURING A COLLISION. BECAUSE OF THE CRACKS THE AIR BAG IS NOT PROPERLY SECURED IN THE VEHICLE.

NHTSA complaint #10786479 — an unverified report by a vehicle owner.

at 57,000 miles Carencro, LA

STRUCTURE:BODY

TL* THE CONTACT OWNS A 2012 GMC SIERRA. THE CONTACT STATED THAT THE PASSENGER SIDE DASHBOARD WAS CRACKED ABOVE THE AIR BAG HOUSING. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE DASHBOARD NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 57,000.

NHTSA complaint #10764591 — an unverified report by a vehicle owner.

at 43,449 miles Spokane, WA

POWER TRAIN

I PURCHASED A 2012 GMC SIERRA DENALI FROM STAHL MOTORS IN MONTEREY, CA IN FEBRUARY OF 2015. THEY ARE NOT WILLING TO PAY FOR THE DAMAGES TO MY TRUCK EVEN THOUGH THEY SOLD ME A COMPLETELY DANGEROUS VEHICLE, WHICH I WILL EXPLAIN. MY TRUCK DIDN'T FEEL RIGHT AS I WAS DRIVING SO I DECIDED TO TAKE IT TO A SHOP TO GET LOOKED AT. THERE IS A LONG LIST OF THINGS THAT IS WRONG WITH THE VEHICLE, BUT I WILL MENTION JUST THE MAIN ONES. THE TRUCK WAS SOLD TO ME WITHOUT THE REAR BRAKES HOOKED UP. THE BRAKE LINES FOR THE REAR CALIPERS WERE CAPPED OFF BY THE REAR DIFFERENTIAL. WHEN THE MECHANIC SHOP DISCOVERED THAT, THEY ALSO DISCOVERED THE MASTER CYLINDER WAS COMPLETELY DRY, WHICH CAUSED DAMAGE TO MY FRONT BRAKES. THERE WAS NO CROSS MEMBER UNDERNEATH THE VEHICLE FROM FRAME TO FRAME. IT WAS TORCHED OUT, THEREFOR LEAVING ZERO SUPPORT FOR THE FRAME OF THE TRUCK AS WELL AS THE FRONT DIFFERENTIAL. WHICH NEEDED TO BE REBUILT CAUSED FROM EXCESSIVE MOVEMENT LEFT TO RIGHT. FRONT DIFFERENTIAL NEEDED TO BE REBUILT CAUSED FROM THE DAMAGE OF NO CROSS MEMBER IN PLACE. BALL JOINTS WERE ALSO AFFECTED (ABOUT TO POP OUT OF CONTROL ARMS) DUE TO WRONG PARTS INSTALLED IN FRONT SUSPENSION OF VEHICLE.

NHTSA complaint #10760875 — an unverified report by a vehicle owner.

at 43,449 miles Spokane, WA

SUSPENSION

I PURCHASED A 2012 GMC SIERRA DENALI FROM STAHL MOTORS IN MONTEREY, CA IN FEBRUARY OF 2015. THEY ARE NOT WILLING TO PAY FOR THE DAMAGES TO MY TRUCK EVEN THOUGH THEY SOLD ME A COMPLETELY DANGEROUS VEHICLE, WHICH I WILL EXPLAIN. MY TRUCK DIDN'T FEEL RIGHT AS I WAS DRIVING SO I DECIDED TO TAKE IT TO A SHOP TO GET LOOKED AT. THERE IS A LONG LIST OF THINGS THAT IS WRONG WITH THE VEHICLE, BUT I WILL MENTION JUST THE MAIN ONES. THE TRUCK WAS SOLD TO ME WITHOUT THE REAR BRAKES HOOKED UP. THE BRAKE LINES FOR THE REAR CALIPERS WERE CAPPED OFF BY THE REAR DIFFERENTIAL. WHEN THE MECHANIC SHOP DISCOVERED THAT, THEY ALSO DISCOVERED THE MASTER CYLINDER WAS COMPLETELY DRY, WHICH CAUSED DAMAGE TO MY FRONT BRAKES. THERE WAS NO CROSS MEMBER UNDERNEATH THE VEHICLE FROM FRAME TO FRAME. IT WAS TORCHED OUT, THEREFOR LEAVING ZERO SUPPORT FOR THE FRAME OF THE TRUCK AS WELL AS THE FRONT DIFFERENTIAL. WHICH NEEDED TO BE REBUILT CAUSED FROM EXCESSIVE MOVEMENT LEFT TO RIGHT. FRONT DIFFERENTIAL NEEDED TO BE REBUILT CAUSED FROM THE DAMAGE OF NO CROSS MEMBER IN PLACE. BALL JOINTS WERE ALSO AFFECTED (ABOUT TO POP OUT OF CONTROL ARMS) DUE TO WRONG PARTS INSTALLED IN FRONT SUSPENSION OF VEHICLE.

NHTSA complaint #10760875 — an unverified report by a vehicle owner.

at 43,449 miles Spokane, WA

SERVICE BRAKES

I PURCHASED A 2012 GMC SIERRA DENALI FROM STAHL MOTORS IN MONTEREY, CA IN FEBRUARY OF 2015. THEY ARE NOT WILLING TO PAY FOR THE DAMAGES TO MY TRUCK EVEN THOUGH THEY SOLD ME A COMPLETELY DANGEROUS VEHICLE, WHICH I WILL EXPLAIN. MY TRUCK DIDN'T FEEL RIGHT AS I WAS DRIVING SO I DECIDED TO TAKE IT TO A SHOP TO GET LOOKED AT. THERE IS A LONG LIST OF THINGS THAT IS WRONG WITH THE VEHICLE, BUT I WILL MENTION JUST THE MAIN ONES. THE TRUCK WAS SOLD TO ME WITHOUT THE REAR BRAKES HOOKED UP. THE BRAKE LINES FOR THE REAR CALIPERS WERE CAPPED OFF BY THE REAR DIFFERENTIAL. WHEN THE MECHANIC SHOP DISCOVERED THAT, THEY ALSO DISCOVERED THE MASTER CYLINDER WAS COMPLETELY DRY, WHICH CAUSED DAMAGE TO MY FRONT BRAKES. THERE WAS NO CROSS MEMBER UNDERNEATH THE VEHICLE FROM FRAME TO FRAME. IT WAS TORCHED OUT, THEREFOR LEAVING ZERO SUPPORT FOR THE FRAME OF THE TRUCK AS WELL AS THE FRONT DIFFERENTIAL. WHICH NEEDED TO BE REBUILT CAUSED FROM EXCESSIVE MOVEMENT LEFT TO RIGHT. FRONT DIFFERENTIAL NEEDED TO BE REBUILT CAUSED FROM THE DAMAGE OF NO CROSS MEMBER IN PLACE. BALL JOINTS WERE ALSO AFFECTED (ABOUT TO POP OUT OF CONTROL ARMS) DUE TO WRONG PARTS INSTALLED IN FRONT SUSPENSION OF VEHICLE.

NHTSA complaint #10760875 — an unverified report by a vehicle owner.

at 29,994 miles Wichita Falls, TX

ELECTRICAL SYSTEM

WHILE MOVING WITH TRANSMISSION IN DRIVE, THE IGNITION SWITCH CAN BE SWITCHED OFF. BY DOING SO, THE POWER STEERING AND BRAKES FAIL TO FUNCTION PROPERLY. THE STEERING WHEEL WILL LOCK, NOT ALLOWING TO STEER. THERE HAVE BEEN A SAFETY CONCERNS WITH OTHER GM PRODUCTS, WHY NOT THIS MODEL? THIS IS A SAFETY CONCERN.

NHTSA complaint #10750195 — an unverified report by a vehicle owner.

at 31,450 miles Weber City, VA

STRUCTURE:BODY

FRAME COATING IS PEELING OFF THE BACK OF THE FRAME AND IN OTHER AREAS. EXCESSIVE RUST FOR A VEHICLE THAT IS 3 YEARS OLD IN A TEMPERATE CLIMATE. ONLY APPEARS TO BE AFFECTING FRAME COVERED WITH WAXY UNDERCOAT. VERY LITTLE RUST AND NO PEELING ON AREAS THAT HAVE OTHER PAINTS/COATINGS.

NHTSA complaint #10746923 — an unverified report by a vehicle owner.

at 25,072 miles Mcdonald, PA

ELECTRICAL SYSTEM

CHECK ENGINE LIGHT ILLUMINATED. TOOK TRUCK TO LOCAL CHEVROLET DEALER FOR REPAIR AND THEY DISCOVERED THE WIRES HAD BEEN CHEWED THROUGH. I READ THAT GM USES PEANUT OIL ON WIRES IN ORDER TO INSTALL THEM EASIER. LOOKS LIKE THIS ATTRACTED A MOUSE, SQUIRREL, CHIPMUNK, OR OTHER CREATURE AND IT CHEWED THE WIRES. LUCKILY IT DID NOT AFFECT THE OPERATION OF THE TRUCK BUT IT COULD HAVE LED TO A SHORT CIRCUIT THAT COULD HAVE CAUSED A FIRE. I FEEL THIS NEEDS TO BE THOROUGHLY INVESTIGATED. AND GM NEEDS TO CREATE SOME KIND OF ANIMAL REPELLANT TO SPRAY ON THE WIRES AFTER VEHICLE ASSEMBLY.

NHTSA complaint #10731725 — an unverified report by a vehicle owner.

at 140,000 miles Medina, NY

STEERING

THE FUEL INJECTION PUMP CP4 HAD A CATASTROPHIC FAILURE AS I WAS DRIVING ON A HEAVILY TRAVELED FOUR LANE HIGHWAY, US RT.20. I LOST POWER STEERING AND BRAKES. I FELT FORTUNATE THAT I WAS NOT TOWING A 16,000 LB. FIFTH WHEEL CAMPER DOWN A MOUNTAIN ROAD.I SAY THIS BECAUSE IT WAS EXTREMELY DIFFICULT TO MAINTAIN CONTROL OVER THE TRUCK STEERING IT AND BRINGING IT TO A CONTROLLED STOP. I HAVE READ ABOUT THESE PUMPS FAILING ON NUMEROUS DIESEL FORD AND GM TRUCKS. I ALSO FEEL IF A WOMAN OR SMALL PERSON HAD THIS HAPPEN TO THEM THE OUTCOME COULD END IN LOSS OF CONTROL RESULTING IN INJURIES EVEN DEATHS. THE ONLY ONE THAT KNOWS THE ACTUAL NUMBER OF PUMPS THAT HAVE FAILED IS THE MANUFACTURERS, WHO WILL NOT SHARE THAT INFORMATION WILLINGLY.

NHTSA complaint #10681960 — an unverified report by a vehicle owner.

at 140,000 miles Medina, NY

ENGINE

THE FUEL INJECTION PUMP CP4 HAD A CATASTROPHIC FAILURE AS I WAS DRIVING ON A HEAVILY TRAVELED FOUR LANE HIGHWAY, US RT.20. I LOST POWER STEERING AND BRAKES. I FELT FORTUNATE THAT I WAS NOT TOWING A 16,000 LB. FIFTH WHEEL CAMPER DOWN A MOUNTAIN ROAD.I SAY THIS BECAUSE IT WAS EXTREMELY DIFFICULT TO MAINTAIN CONTROL OVER THE TRUCK STEERING IT AND BRINGING IT TO A CONTROLLED STOP. I HAVE READ ABOUT THESE PUMPS FAILING ON NUMEROUS DIESEL FORD AND GM TRUCKS. I ALSO FEEL IF A WOMAN OR SMALL PERSON HAD THIS HAPPEN TO THEM THE OUTCOME COULD END IN LOSS OF CONTROL RESULTING IN INJURIES EVEN DEATHS. THE ONLY ONE THAT KNOWS THE ACTUAL NUMBER OF PUMPS THAT HAVE FAILED IS THE MANUFACTURERS, WHO WILL NOT SHARE THAT INFORMATION WILLINGLY.

NHTSA complaint #10681960 — an unverified report by a vehicle owner.

at 140,000 miles Medina, NY

SERVICE BRAKES

THE FUEL INJECTION PUMP CP4 HAD A CATASTROPHIC FAILURE AS I WAS DRIVING ON A HEAVILY TRAVELED FOUR LANE HIGHWAY, US RT.20. I LOST POWER STEERING AND BRAKES. I FELT FORTUNATE THAT I WAS NOT TOWING A 16,000 LB. FIFTH WHEEL CAMPER DOWN A MOUNTAIN ROAD.I SAY THIS BECAUSE IT WAS EXTREMELY DIFFICULT TO MAINTAIN CONTROL OVER THE TRUCK STEERING IT AND BRINGING IT TO A CONTROLLED STOP. I HAVE READ ABOUT THESE PUMPS FAILING ON NUMEROUS DIESEL FORD AND GM TRUCKS. I ALSO FEEL IF A WOMAN OR SMALL PERSON HAD THIS HAPPEN TO THEM THE OUTCOME COULD END IN LOSS OF CONTROL RESULTING IN INJURIES EVEN DEATHS. THE ONLY ONE THAT KNOWS THE ACTUAL NUMBER OF PUMPS THAT HAVE FAILED IS THE MANUFACTURERS, WHO WILL NOT SHARE THAT INFORMATION WILLINGLY.

NHTSA complaint #10681960 — an unverified report by a vehicle owner.

at 35,000 miles Perry, MI

ENGINE

ENGINE WILL INCREASE IDLE FROM 700 TO 900 AT ANY TIME. ONE CAN BE SITTING AT A TRAFFIC LIGHT AND IT MIGHT INCREASE OR DECREASE. I PULL A 5TH WHEEL (35 FEET) AND IT IS VERY DIFFICULT TO STOP WITH THE ENGINE TRYING TO KEEP GOING. ALSO IT IS VERY SCARY TO STOP ON SLIPPERY ROADS. THIS DID NOT START UNTIL THE VEHICLE HAD APPROX. 35,000 MILES ON IT. THE DEALER TELLS ME IT IS NORMAL, BUT I HAVE TALKED TO OWNERS OF THE GM DIESEL FROM MODEL YEAR 2008 THROUGH 2015 AND NONE OF THEM HAVE THIS CONDITION.

NHTSA complaint #10662943 — an unverified report by a vehicle owner.

at 54,500 miles Plumas Lake, CA Crash

SERVICE BRAKES

PULLING INTO A PARKING SPOT IN A PARKING GARAGE GOING NO MORE THAN 3 MILES PER HOUR, OR HOWEVER FAST THIS VEHICLE CAN GO WHILE FOOT IS RESTING ON BRAKE, GETTING READY TO FULLY BRAKE. AS I PRESSED DOWN ON BRAKE TO STOP, THE VEHICLE CONTINUED AS IF THE ANTI-LOCK BRAKE SYSTEM SLIPPED, CAUSING THE TRUCK TO DRIVE FORWARD CRASHING THROUGH THE SHEETROCK WALL AND FINALLY STOPPING AFTER HITTING THE GLASS WINDOWS. TWO WEEKS LATER, AFTER ALL COSMETIC REPAIRS WERE DONE, THE VEHICLE DID THE SAME THING IN ANOTHER PARKING LOT, BUT LUCKILY BROKE BEFORE HITTING THE CURB AND LIGHT POST. I DID FEEL UNDER MY FOOT ON THE BRAKE PEDDLE, AS I PRESSED DOWN TO STOP, A SLIP OF SOME SORT WHICH AT THE SAME TIME CAUSED THE VEHICLE TO PUSH FORWARD RIGHT BEFORE STOPPING. THIS IS DEFINITELY A MALFUNCTION OF SOME SORT WITH THE ANTI-LOCK BRAKE SYSTEM.

NHTSA complaint #10615633 — an unverified report by a vehicle owner.

at 54,500 miles Plumas Lake, CA Crash

ELECTRONIC STABILITY CONTROL (ESC)

PULLING INTO A PARKING SPOT IN A PARKING GARAGE GOING NO MORE THAN 3 MILES PER HOUR, OR HOWEVER FAST THIS VEHICLE CAN GO WHILE FOOT IS RESTING ON BRAKE, GETTING READY TO FULLY BRAKE. AS I PRESSED DOWN ON BRAKE TO STOP, THE VEHICLE CONTINUED AS IF THE ANTI-LOCK BRAKE SYSTEM SLIPPED, CAUSING THE TRUCK TO DRIVE FORWARD CRASHING THROUGH THE SHEETROCK WALL AND FINALLY STOPPING AFTER HITTING THE GLASS WINDOWS. TWO WEEKS LATER, AFTER ALL COSMETIC REPAIRS WERE DONE, THE VEHICLE DID THE SAME THING IN ANOTHER PARKING LOT, BUT LUCKILY BROKE BEFORE HITTING THE CURB AND LIGHT POST. I DID FEEL UNDER MY FOOT ON THE BRAKE PEDDLE, AS I PRESSED DOWN TO STOP, A SLIP OF SOME SORT WHICH AT THE SAME TIME CAUSED THE VEHICLE TO PUSH FORWARD RIGHT BEFORE STOPPING. THIS IS DEFINITELY A MALFUNCTION OF SOME SORT WITH THE ANTI-LOCK BRAKE SYSTEM.

NHTSA complaint #10615633 — an unverified report by a vehicle owner.

at 60,000 miles Tsaille, AZ

STEERING

TL* THE CONTACT OWNS A 2012 GMC SIERRA 1500. THE CONTACT STATED THAT WHILE DRIVING 55 MPH, THE RIGHT AND LEFT TURN SIGNAL AND SAFETY BELT CHIME STOPPED WORKING. ALSO, THE RADIO MALFUNCTIONED AND THE VEHICLE VEERED TO THE RIGHT. THE MANUFACTURER WAS NOT CONTACTED AND THE VEHICLE WAS NOT DIAGNOSED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 60,000 AND THE CURRENT MILEAGE WAS 65,274. UPDATED 10/2/14*CN THE CONSUMER STATED THAT THE INTERIOR LIGHTS ALSO WENT OUT. THE VEHICLE WAS REPAIRED UNDER RECALL. UPDATED 3/9/15

NHTSA complaint #10609567 — an unverified report by a vehicle owner.

at 60,000 miles Tsaille, AZ

ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2012 GMC SIERRA 1500. THE CONTACT STATED THAT WHILE DRIVING 55 MPH, THE RIGHT AND LEFT TURN SIGNAL AND SAFETY BELT CHIME STOPPED WORKING. ALSO, THE RADIO MALFUNCTIONED AND THE VEHICLE VEERED TO THE RIGHT. THE MANUFACTURER WAS NOT CONTACTED AND THE VEHICLE WAS NOT DIAGNOSED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 60,000 AND THE CURRENT MILEAGE WAS 65,274. UPDATED 10/2/14*CN THE CONSUMER STATED THAT THE INTERIOR LIGHTS ALSO WENT OUT. THE VEHICLE WAS REPAIRED UNDER RECALL. UPDATED 3/9/15

NHTSA complaint #10609567 — an unverified report by a vehicle owner.