RoadVitals

2006 GMC Sierra Denali Problems

Owner-reported complaints filed with NHTSA, grouped by component

Data refreshed

Owner complaintsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
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Latest Mar 16, 2015
Components namedHow many of our component categories appear on at least one report for this model year. One report can name several.
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Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
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What this page shows

Everything below is an owner-reported complaint submitted to NHTSA about the 2006 GMC Sierra Denali, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Reports by component

Ranked by how many owner reports name each component category

  • Brakes240.0%
  • Fuel system120.0%
  • Powertrain (other)120.0%
  • Steering120.0%

Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.

Each component in detail

What the reports in each category say, in the owners' own words

Brakes

Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.

2
reports

From owner reports, verbatim

I BOUGHT A 2006 SIERRA DENALI WITH 65000 MILES ON THE TRUCK IN MAY OF 2013. I LOST MY BRAKES AND ALMOST REARENDED A MAN PULLING INTO HIS DRIVEWAY. I ALSO HAD MY 3 KIDS AND MY FIANCE IN THE TRUCK WITH ME. I TOOK MY TRUCK TO ROBERTSONS GMC IN WAREHAM,MA AND THEY TOLD ME MY BRAKE LINES WERE COMPLETELY ROTTED AS WELL AS MY FRAME. I ALSO HAD A EXTENDED WARRANTY WHICH DID NOT COVER IT BECAUSE IT WAS A PRE-EXISTING PROBLEM. I JUST DON'T UNDERSTAND HOW GM CAN GET AWAY WITH ALL OF THESE FRAME CORROSION AND BRAKE LINE CORROSION PROBLEMS WITHOUT HAVING TO FIX THE PROBLEMS WITH THERE TRUCKS. I HAVE RESEARCHED ALOT ON THESE PROBLEMS AND IT SEEMS LIKE NO ONE IS HOLDING GM RESPONSIBLE AND MAKING THEM FIX THE CORROSION PROBLEM.I THINK THEY SHOULD HAVE TO FIX THE PROBLEM LIKE TOYOTA DID WHEN THEY HAD FRAME PROBLEMS SO THAT THEY CAN STOP PRODUCING VEHICLES THAT DONT LAST 10 YEARS WITHOUT ROTTING AWAY. *TR

NHTSA ID 10551852 · filed Nov 12, 2013

2006 SIERRA DENALI WITH JUST OVER 75,000 MILES. WITH 1/2 BLOCK WARNING AND ONLY TRAVELING AT A SPEED OF 20MPH, I WAS UNABLE TO COME TO A COMPLETE STOP. THE BRAKE PEDAL WAS ALL OF THE WAY TO THE FLOOR WHEN I RAN INTO A VAN IN THE INTERSECTION. I FELT VERY LITTLE RESISTANCE FROM THE PEDAL AND THE ABS DEFINITELY DID NOT GO OFF. THERE WAS NO SNOW OR ICE ON THE ROAD SURFACE. HOWEVER AFTER TOWING THE VEHICLE TO THE LOCAL DEALERSHIP, I WAS TOLD NOTHING WAS WRONG WITH THE TRUCK. TWO INDEPENDENT THIRD PARTIES HAVE SUGGESTED THIS COULD BE A MASTER CYLINDER ISSUE EVEN THOUGH GMC GAVE IT A CLEAN BILL OF HEALTH. *TR

NHTSA ID 10372020 · filed Dec 22, 2010

Too few reports in this category for a page of its own — they appear in the full complaint list.

Fuel system

Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.

1
report

From owner reports, verbatim

TL* THE CONTACT OWNS A 2006 GMC SIERRA DENALI. THE CONTACT STATED THAT THE CHECK ENGINE LIGHT ILLUMINATED ON THE INSTRUMENT PANEL WHILE DRIVING APPROXIMATELY 45 MPH. THE VEHICLE WAS TAKEN TO AN INDEPENDENT REPAIR SHOP WHERE THE CONTACT WAS INFORMED THAT THE FUEL SYSTEM NEEDED TO BE REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND THE CONTACT WAS INFORMED THAT THE VEHICLE WAS NOT INCLUDED IN THE RECALL ASSOCIATED WITH NHTSA CAMPAIGN ID NUMBER: 06E043000 (FUEL SYSTEM, GASOLINE). THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 52,000 AND THE CURRENT MILEAGE WAS 77,000. THE VIN WAS UNAVAILABLE.

NHTSA ID 10402929 · filed May 27, 2011

Too few reports in this category for a page of its own — they appear in the full complaint list.

Powertrain (other)

Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.

1
report

From owner reports, verbatim

FRONT DIFFERENTIAL VIBRATION/NOISE AT 47-70 MPH. INTERNAL BEARINGS REPLACED DUE TO SIGNIFICANT METAL FOUND ON MAGNETIC DRAIN PLUG. TECHNICIAN STATEMENT "BEARINGS COMING APART" STATED. IDENTICAL COMPLAINT WITH IDENTICAL REPAIR REPEATED 4 TIMES WITHIN 85,000 MILES. FIRST REPAIR OCCURRED AT 34,000 MILES. LATEST (4TH) PERFORMED AT 85,919 MILES. *JS

NHTSA ID 10455746 · filed Apr 19, 2012

Too few reports in this category for a page of its own — they appear in the full complaint list.

Steering

Reports naming the steering system — racks, columns, power-steering assist and steering linkage.

1
report

From owner reports, verbatim

THE VIN NUMBER IS COMING UP AS A 2006 GMC SAVANNA ON YOUR SITE SAFECAR.GOV UNDER RECALL LOOKUP BY VIN. IT SHOULD BE 2006 GMC SIERRA DENALI 1500 TRUCK.I WOULD LIKE IT CORRECTED IF POSSIBLE SO I CAN SEE CURRENT RECALLS. THANK YOU *TR

NHTSA ID 10694688 · filed Mar 16, 2015

Too few reports in this category for a page of its own — they appear in the full complaint list.

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .