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2006 GMC Sierra 2500

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2006 GMC Sierra 2500 do not stand out strongly from the model-year median of 46.

About this comparison →

How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

59 reports with mileage · 7 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.

  • Service Brakes. Review the 24 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 12 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Steering. Review the 10 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

4 crash reports3 fire reports2 injury reports

What owners actually said

66 reports
40,000 miles · Apr 30, 2010
Latches/locks/linkages

TL*THE CONTACT OWNS A 2006 GMC 2500 CARGO VAN. WHILE THE VEHICLE WAS PARKED, THE CONTACT WAS UNABLE TO OPEN THE REAR PASSENGER CARGO DOOR. THE HINGE WAS BENT AND MISALIGNED; THE BOTTOM PINS WERE ALSO RUSTED. THE VEHICLE HAD NOT BEEN INSPECTED OR REPAIRED AT THE TIME OF THE COMPLAINT. THE CONTACT CALLED THE MANUFACTURER WHO REFER…

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TL*THE CONTACT OWNS A 2006 GMC 2500 CARGO VAN. WHILE THE VEHICLE WAS PARKED, THE CONTACT WAS UNABLE TO OPEN THE REAR PASSENGER CARGO DOOR. THE HINGE WAS BENT AND MISALIGNED; THE BOTTOM PINS WERE ALSO RUSTED. THE VEHICLE HAD NOT BEEN INSPECTED OR REPAIRED AT THE TIME OF THE COMPLAINT. THE CONTACT CALLED THE MANUFACTURER WHO REFERRED HIM TO THE DEALERSHIP TO HAVE THE VEHICLE REPAIRED AT HIS EXPENSE; THEY STATED THAT THEY WOULD DECIDE IF THEY WOULD ASSIST IN THE EXPENSES. THE FAILURE MILEAGE WAS APPROXIMATELY 40,000. THE CURRENT MILEAGE WAS APPROXIMATELY 43,000.

NHTSA ODI #10328191

49,341 miles · Apr 3, 2010
Power Train

2006 GMC DIESEL WITH ALLISON TRANSMISSION...LINES TO TRANSMISSION COOLER LEAKING. IT IS A FIRE HAZARD...FROM WHAT I READ ON THE INTERNET IT HAS BEEN A PROBLEM WITH ALL THE TRANSMISSION LINES INSTALLED ON THIS TRUCK

NHTSA ODI #10323574

29,500 miles · Feb 25, 2010
Tires

WHILE TOWING MY CAMPING TRAILER ON THE INTERSTATE I PULLED INTO A REST STOP. THEN I NOTICED THE RIGHT REAR TIRE WAS FLAT. LATER AT A GARAGE THE SERVICEMAN FOUND THE VALVE STEM HAD SPLIT. THIS WAS A SNAP-IN RUBBER STEM. I BELIEVE THE TIRES ON A TRUCK OF THIS SIZE (GMC 2500HD) AND WITH THIS AIR PRESSURE (80 PSI REAR, 55 FRONT) SHO…

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WHILE TOWING MY CAMPING TRAILER ON THE INTERSTATE I PULLED INTO A REST STOP. THEN I NOTICED THE RIGHT REAR TIRE WAS FLAT. LATER AT A GARAGE THE SERVICEMAN FOUND THE VALVE STEM HAD SPLIT. THIS WAS A SNAP-IN RUBBER STEM. I BELIEVE THE TIRES ON A TRUCK OF THIS SIZE (GMC 2500HD) AND WITH THIS AIR PRESSURE (80 PSI REAR, 55 FRONT) SHOULD HAVE STEEL CLAMP-IN TYPE STEMS. *TR

NHTSA ODI #10314088

74,950 miles · Feb 16, 2010
Engine And Engine CoolingSteering

TRUCK WAS PARKED IN GARAGE ON A FRIDAY NIGHT, WITH NO PROBLEMS. STARTED TRUCK SATURDAY AM TO BACK OUT OF THE GARAGE TO HOOK UP A TRAILER. I PUT THE TRUCK IN REVERSE, THEN DISCOVERED IT WOULDN'T STEER AND IT WOULDN'T STOP. NEARLY TOOK OUT THE SIDE OF THE GARAGE DOOR WITH THE MIRROR, NOT TO MENTION, NEARLY RUNNING OVER ONE OF M…

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TRUCK WAS PARKED IN GARAGE ON A FRIDAY NIGHT, WITH NO PROBLEMS. STARTED TRUCK SATURDAY AM TO BACK OUT OF THE GARAGE TO HOOK UP A TRAILER. I PUT THE TRUCK IN REVERSE, THEN DISCOVERED IT WOULDN'T STEER AND IT WOULDN'T STOP. NEARLY TOOK OUT THE SIDE OF THE GARAGE DOOR WITH THE MIRROR, NOT TO MENTION, NEARLY RUNNING OVER ONE OF MY KIDS! I HAD TO ENGAGE THE EMERGENCY BRAKE IN ORDER TO GET THE VEHICLE TO STOP - HALF IN AND HALF OUT OF THE GARAGE. I SHUT THE TRUCK OFF AND RESTARTED IT, BUT NOTHING CHANGED. CALLED A FLATBED TRUCK TO TAKE THE TRUCK TO THE DEALERSHIP. POWER STEERING PUMP HAD FAILED AND THEY REPLACED IT. I'M VERY LUCKY THAT I WASN'T PULLING THE TRAILER WHEN THIS HAPPENED, AS I COULD HAVE BEEN KILLED, OR KILLED SOMEONE ELSE. VERY SCARY SITUATION. THERE HAD BEEN NO TROUBLE WITH THE BRAKES OR STEERING LEADING UP TO THIS INCIDENT - IT WAS JUST BOOM - IT HAPPENED. I PURCHASED THIS DIESEL TRUCK NEW, AND HAVE HAD THE DEALERSHIP DO ALL SCHEDULED MAINTENANCE. IT HAS NEVER BEEN INVOLVED IN ANY ACCIDENT, AND IT IS KEPT INSIDE A GARAGE WHEN NOT IN USE. *TR

NHTSA ODI #10310884

32,000 miles · Nov 2, 2009
Power Train

I HAVE A 2006 GMC SIERRA 2500 WITH THE LBZ DURAMAX AND ALLISON TRANSMISSION. TWO OF THE TRANSMISSION COOLANT LINES BEGAN LEAKING TRANSMISSION FLUID AT THE CRIMP ENDS IN MARCH OF 2009. THE TRUCK ONLY HAD 32,000 MILES, BUT WAS 3 MONTHS BEYOND THE 36 MONTH WARRANTY PERIOD. SERVICE UNDER WARRANTY WAS DENIED. AN ON-LINE SEARCH RE…

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I HAVE A 2006 GMC SIERRA 2500 WITH THE LBZ DURAMAX AND ALLISON TRANSMISSION. TWO OF THE TRANSMISSION COOLANT LINES BEGAN LEAKING TRANSMISSION FLUID AT THE CRIMP ENDS IN MARCH OF 2009. THE TRUCK ONLY HAD 32,000 MILES, BUT WAS 3 MONTHS BEYOND THE 36 MONTH WARRANTY PERIOD. SERVICE UNDER WARRANTY WAS DENIED. AN ON-LINE SEARCH REVEALS SEVERAL OTHERS HAVE COMPLAINED ABOUT THIS ISSUE AND THAT THE DEALER INSTALLED OEM REPLACEMENT LINES ARE NO BETTER (DEVELOPING LEAKS SOON AFTER REPLACEMENT), YET NO TSB OR CORRECTIVE ACTION HAS BEEN ISSUED BY GM. LEAKING TRANSMISSION FLUID IS A FIRE AND ENVIRONMENTAL HAZARD. THE LEAKS ARE GETTING WORSE. *TR

NHTSA ODI #10290710

40,127 miles · Sep 22, 2009
Fuel System, Diesel

UNDER NORMAL DRIVING CONDITIONS WITHOUT CAUSE THE FUEL FILTER WATER-IN-GAS SENSOR BLEED VALVE LEAKS FUEL. THIS CAUSES FUEL TO LEAK INTO THE ENGINE COMPARTMENT. SYMPTOMS INCLUDE FUEL ON THE GROUND, FUEL ODOR, HARD/LONGER ENGINE CRANKING. THERE ARE OTHER REPORTS OF THIS PROBLEM AT : HTTP://WWW.DIESELPLACE.COM/FORUM/SHOWTHREAD.P…

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UNDER NORMAL DRIVING CONDITIONS WITHOUT CAUSE THE FUEL FILTER WATER-IN-GAS SENSOR BLEED VALVE LEAKS FUEL. THIS CAUSES FUEL TO LEAK INTO THE ENGINE COMPARTMENT. SYMPTOMS INCLUDE FUEL ON THE GROUND, FUEL ODOR, HARD/LONGER ENGINE CRANKING. THERE ARE OTHER REPORTS OF THIS PROBLEM AT : HTTP://WWW.DIESELPLACE.COM/FORUM/SHOWTHREAD.PHP?P=3452490 ALSO HTTP://WWW.GOOGLE.COM/SEARCH?HL=EN&RLS=COM.MICROSOFT:*&Q=DURAMAX+FUEL+FILTER+LEAKING+WATER+SENSOR&START=10&SA=N. *TR

NHTSA ODI #10284891

22,800 miles · Apr 24, 2009
Electrical SystemEngine And Engine CoolingPower Train

TL*THE CONTACT OWNS A 2006 GMC SIERRA 2500. THE FLY WHEEL, WHICH RUNS WITH THE TRANSMISSION AND HELPS CHANGE GEARS HAS HAD TO BE REPLACED THREE TIMES WITHIN TWO YEARS. WHILE DRIVING APPROXIMATELY 10 MPH DURING THE FIRST FAILURE, THERE WAS A LOUD CLICKING NOISE AND IT BECAME LOUDER OVER TIME. THE DEALER STATED THE VEHICLE WAS OPE…

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TL*THE CONTACT OWNS A 2006 GMC SIERRA 2500. THE FLY WHEEL, WHICH RUNS WITH THE TRANSMISSION AND HELPS CHANGE GEARS HAS HAD TO BE REPLACED THREE TIMES WITHIN TWO YEARS. WHILE DRIVING APPROXIMATELY 10 MPH DURING THE FIRST FAILURE, THERE WAS A LOUD CLICKING NOISE AND IT BECAME LOUDER OVER TIME. THE DEALER STATED THE VEHICLE WAS OPERATING NORMALLY. A FEW WEEKS LATER, THE NOISE WAS MUCH LOUDER; HOWEVER, A DIFFERENT DEALER 2 HOURS AWAY DIAGNOSED THE VEHICLE AND STATED THAT THE FLY WHEEL FAILED. AFTER BEING REPAIRED 24,000 MILES AND A YEAR LATER, THE FAILURE RECURRED. THE FLY WHEEL WAS REPLACED AGAIN AND LASTED 5 MONTHS BEFORE IT FAILED. THE POWER STEERING SHAFT ALSO NEEDED TO BE REPLACED DUE TO IT BEING WORN OUT AND FAILED AGAIN NINE MONTHS LATER. THE FAILURE MILEAGE WAS 22,800 AND THE CURRENT MILEAGE WAS 55,000. UPDATED 06/08/09 *BF THE POWER STEERING GEAR WAS LEAKING DUE TO LEAKING GEAR ASSEMBLY, THE HVAC BLOWER WAS INOPERATIVE, THE FLYWHEEL WAS CRACKED. THE DEALER REPLACED THE STRIPPED AND BROKEN EXHAUST STUDS. UPDATED 06/18/09.*JB

NHTSA ODI #10266628

19,803 miles · Mar 17, 2009
Tires

NEW LOOKING SNOW TIRE, TREAD SEPARATED FROM TIRE. APPROX. 62 MPH DOING DAMAGE TO TRUCK WHEEL WELL. TIRE DID NOT GO FLAT. CHECK OTHER THREE MATCHING TIRES , ALL LOOKED OK. CONTINUED ON TRIP, PARKED FOR THE NIGHT. APPROX. 70 MORE MILES INTO TRIP OTHER REAR TIRE SEPARATED AND WENT FLAT, CAUSING DAMAGE TO OTHER SIDE OF PICKUP WHEEL…

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NEW LOOKING SNOW TIRE, TREAD SEPARATED FROM TIRE. APPROX. 62 MPH DOING DAMAGE TO TRUCK WHEEL WELL. TIRE DID NOT GO FLAT. CHECK OTHER THREE MATCHING TIRES , ALL LOOKED OK. CONTINUED ON TRIP, PARKED FOR THE NIGHT. APPROX. 70 MORE MILES INTO TRIP OTHER REAR TIRE SEPARATED AND WENT FLAT, CAUSING DAMAGE TO OTHER SIDE OF PICKUP WHEEL WELL. CALLED AAA TOW TO TIRE STORE FOR A NEW SET OF FOUR. PICKUP IS AN GMC 2500 HD, 2006. BETWEEN THE TWO SEPARATIONS APPROX. 6500.00 DOLLARS DAMAGE. *TR

NHTSA ODI #10262134

Mileage unknown · Mar 2, 2009
Suspension

I ATTEMPTED TO PREVIOUSLY MAKE SEVERAL REPAIRS TO THE VEHICLE. THE FIRST OF THE PROBLEMS OCCURRED WHEN DRIVING. THE SUSPENSION MADE LOUD GRINDING NOISES AND AFTER 3 ATTEMPTS MADE IT WAS REPAIRED. NOW THE PROBLEM SEEMS TO HAVE RETURNED AND I AM NOT SURE WHAT I SHOULD DO. *TR

NHTSA ODI #10260483

58,260 miles · Jan 14, 2009
Power Train

I AM THE SHOP FOREMAN FOR A CONSTRUCTION COMPANY IN ALASKA. I DROPPED OFF A 2006 GMC 2500 PICKUP LAST WEEK TO THE DEALER TO HAVE A LEAK LOOKED AT. I GOT A CALL BACK FROM THEM SAYING MY TORQUE CONVERTER WAS BLOWN. THEY SAID GMC IS HAVING PROBLEMS WITH THE ALLISON TRANSMISSION AT COLD TEMPS (CAMPAIGN # 07293) I HAD THIS TRUCK IN A…

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I AM THE SHOP FOREMAN FOR A CONSTRUCTION COMPANY IN ALASKA. I DROPPED OFF A 2006 GMC 2500 PICKUP LAST WEEK TO THE DEALER TO HAVE A LEAK LOOKED AT. I GOT A CALL BACK FROM THEM SAYING MY TORQUE CONVERTER WAS BLOWN. THEY SAID GMC IS HAVING PROBLEMS WITH THE ALLISON TRANSMISSION AT COLD TEMPS (CAMPAIGN # 07293) I HAD THIS TRUCK IN AT 25000 MILES TO BE RE-PROGRAMMED AND AGAIN AT 49000 MILES. NOW, AT 58,000 MILES THE TORQUE CONVERTER IS BLOWN AND AFTER ARGUING WITH GMC, THEY WILL NOT WARRANTY THE WORK, THEY WANT ME TO PAY HALF OF THE 3200. I DROVE UP IN OUT COMPANY'S BRAND NEW '08 GMC 3500, HAD THE DEALERS MECHANIC LOOK AT IT. HE SNIFFED THE TRANNY DIPSTICK, GRIMMANCED, AND SAID THAT IT TOO WAS BLOWN. AT 4120 MILES, ANOTHER BLOWN TORQUE CONVERTER. THE SERVICE MANAGER SAID 17 TRUCKS SO FAR IN FAIRBANKS ALASKA HAVE SUFFERED SIMILAR FATES, DUE TO THIS MANUFACTURER ERROR. I AM LIVID, TO SAY THE LEAST! GMC NEEDS TO BE HELD ACCOUNTABLE FOR THIS, AND OWNERS NEED TO BE CONTACTED AND TOLD THAT THERE IS A PROBLEM! THERE IS A SAFETY ANGLE AS WELL, ACCORDING TO THE MECHANIC--AT A STOP LIGHT, THE TORQUE CONVERTER WENT OUT, LOCKED UP, AND PUSHED THE VEHICLE THROUGH THE LIGHT! *TR

NHTSA ODI #10254992

Official recalls

1

08V519000 · Equipment Adaptive/mobility

Oct 6, 2008

MOBILITYWORKS IS RECALLING 133 MY 2005-2006 FORD E250, MY 2000, 2004-2006 E350, MY 2000, 2005 E450, MY 2005-2006 GMC 2500, GMC 3500, AND MY 2006 DODGE 2500 VANS EQUIPPED WITH RICON PLATFORM STYLE WHEELCHAIR LIFTS. THESE LIFTS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 403, "PLATFORM LIFT SYSTEMS FOR MOTOR VEHICLES." THE ANTI-STOW INTERLOCK MAY NOT DETECT THE PRESENCE OF A WHEELCHAIR OR MOBILITY AID USER. THE PRESSURE SENSING SWITCH THAT DETECTS THE PRESENCE OF WEIGHT ON THE PLATFORM WAS NOT ADJUSTED TO THE NECESSARY SENSITIVITY LEVEL. THE LIFT COULD STOW EVEN THOUGH SOMEONE OR SOMETHING IS STILL ON THE LIFT.

Consequence & remedy

Consequence: A LIFT OCCUPANT CAN BE INJURED SHOULD THE LIFT BEGIN TO STOW UNINTENTIONALLY.

Remedy: MOBILITYWORKS IS WORKING WITH RICON TO CORRECT THE WHEELCHAIR LIFTS FREE OF CHARGE (PLEASE SEE 07E097). OWNERS MAY CONTACT RICON AT 1-818-267-3000 OR MOBILITYWORKS AT 1-800-769-8267.

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

0

No exact-year investigations in this snapshot.