2006 Gmc SIERRA 2500 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
66 owner complaints analyzed
1 distinct recall campaigns
43,500 mi median reported failure mileage
Scope: 2006 model year. Data snapshot: . 59 complaints include usable failure mileage.
Most common problems
Service Brakes is the most frequently named component, appearing in 24 of 66 complaints (36.4%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 31 | 47.0% |
| Transmission and shifting | 15 | 22.7% |
| Steering behavior | 11 | 16.7% |
| Electrical and battery issues | 2 | 3.0% |
| Fuel system concerns | 1 | 1.5% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Service Brakes | 24 |
| Steering | 7 |
| Power Train:Automatic Transmission | 5 |
| Electrical System | 4 |
| Engine And Engine Cooling | 4 |
| Power Train:Automatic Transmission:Cooling Unit And Lines | 4 |
| Tires | 4 |
| Air Bags | 3 |
Service Brakes: 24; Steering: 7; Power Train:Automatic Transmission: 5; Electrical System: 4; Engine And Engine Cooling: 4; Power Train:Automatic Transmission:Cooling Unit And Lines: 4; Tires: 4; Air Bags: 3
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 10 |
| 25,000 to 49,999 | 22 |
| 50,000 to 74,999 | 8 |
| 75,000 to 99,999 | 5 |
| 100,000 to 149,999 | 9 |
| 150,000 and above | 5 |
Under 25,000: 10; 25,000 to 49,999: 22; 50,000 to 74,999: 8; 75,000 to 99,999: 5; 100,000 to 149,999: 9; 150,000 and above: 5
25,000 to 49,999 miles has the most reports with usable mileage (22). 7 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2006 | 8 |
| 2007 | 1 |
| 2008 | 7 |
| 2009 | 6 |
| 2010 | 7 |
| 2011 | 3 |
| 2012 | 10 |
| 2013 | 3 |
| 2014 | 8 |
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 3 |
2006: 8; 2007: 1; 2008: 7; 2009: 6; 2010: 7; 2011: 3; 2012: 10; 2013: 3; 2014: 8; 2015: 4; 2016: 1; 2017: 2; 2018: 2; 2019: 1; 2020: 3
Pattern summary
Service Brakes leads the component reports. Braking behavior appears in 31 complaint narratives. Transmission and shifting appears in 15 complaint narratives. Steering behavior appears in 11 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10162047 · 2006-07-10 (July 10, 2006)
DT*: THE CONTACT STATED THE VEHICLE'S HYDROBOOST WAS TOO SMALL FOR THE TRUCK AND MADE TOO MUCH NOISE WHEN THE BRAKES OR STEERING WERE USED. THE DEALER DETERMINED THE VEHICLE HAS NO PROBLEMS, BUT THE CONTACT EXPRESSED THERE WILL BE DIFFICULTY DOING TOWING WORK PARTICULARLY GOING UPHILL AND DOWNHILL. THE VEHICLE IS ONLY TWO MONTHS OLD AND HAS BEEN DEMONSTRATING THIS PROBLEM SINCE THE BEGINNING OF THE SECOND MONTH.
Owner-reported narrative. 500 miles reported. Look up ODI 10162047 at NHTSA ↗
Owner report 10166943 · 2006-08-25 (August 25, 2006)
2006 GMC SIERRA 2500 HD BRAKE PEDAL FEELS SPONGY AND HARDER TO STOP WHILE TOWING A BOAT. *KB THE HYDROBOOST SEEMS TO EMIT A HUMMING SOUND WHEN THE BRAKE PEDAL IS APPLIED. THE INCIDENT OCCURS WHEN THE TRANSMISSION TEMPERATURE REACHES 180- 190 DEGREES ACCORDING TO THE GAUGE. *JB
Owner-reported narrative. Look up ODI 10166943 at NHTSA ↗
Owner report 10216985 · 2008-02-05 (February 5, 2008)
I HAVE A 2006 GMC SIERRA THAT HAS HAD TRANSMISSION LINES REPLACED AND THAT KEEP HAVING TO BE REPLACED BECAUSE OF HOSE LEAKING EVERY YEAR. *TR
Owner-reported narrative. 25,000 miles reported. Look up ODI 10216985 at NHTSA ↗
Owner report 10163921 · 2006-07-30 (July 30, 2006)
VEHICLE- 2006 GMC SIERRA 2500HD 4X4 DURAMAX/ALLISON THERE IS A VERY NOTICEABLE CLUNK/LOOSENESS IN THE STEERING. I HAVE GREASED/LUBRICATED THE WHOLE STEERING MECHANISM WITH NO REDUCTION IN THE PROBLEM. MY FEAR IS THE LOOSENESS WILL RESULT IN A COMPLETE FAILURE OR LOSS OF STEERING. PRIOR TO THAT I FEAR POOR DRIVING/MANEUVER ABILITY WHILE THIS ISSUE PERSIST. *JB
Owner-reported narrative. Look up ODI 10163921 at NHTSA ↗
Owner report 10336606 · 2010-06-16 (June 16, 2010)
2006 GMC SIERRA HD 2500 - 4X4 CREW CAB SLT - WHILE PARKED IN OUR DRIVEWAY AND WITH KEYS OUT OF THE IGNITION, THE AIR BAG DEPLOYED. WE CALLED THE DEALERSHIP FERGUSON PONTIAC GMC AND WE WERE TOLD THAT IT WAS NOT POSSIBLE AND OUT OF WARRANTY. WE HAD OUR MECHANIC TOW IT IN. THEY HOOKED UP THE COMPUTER TO SEE IF A SENSOR HAD TRIPPED THE AIR BAG AND THE RUG STARTED TO SMOKE. THEY REMOVED THE MELTED MAT TO THE RUG AND FOUND THE WIRING HARNESS WAS MELTED AWAY. BOTTOM SIDE OF THE RUG WAS BURNT. WE WENT TO GMC IN PERSON WITH PICTURES AND ASKED HOW T…
Owner-reported narrative. 83,000 miles reported. Look up ODI 10336606 at NHTSA ↗
Owner report 10462485 · 2012-06-20 (June 20, 2012)
WAS DRIVING HOME FROM WORK. SMELLED SOMETHING HOT, THEN SMOKE CAME OUT VENTS, WITHIN LESS THAN A MINUTE FLAMES WERE COMING OUT FROM UNDER PASSENGER'S SIDE DASH. HAD TO PULL OVER AND PUT OUT FIRE WITH FIRE EXTINGUISHER. IF THERE HAD BEEN A PASSENGER LIKE MY CHILDREN THEY WOULD HAVE BEEN SEVERELY BURNED OR KILLED.I AM A GM TECHNICIAN AND THE FUSE FOR THE HVAC DID NOT BLOW AND TAKING AWAY POWER DID NOT STOP THE ISSUE. I KNOW THAT THERE ARE ISSUES WITH THE RESISTOR WIRING. MY VEHICLE SYSTEMS ALL WORKED FINE BEFORE THE INCIDENT AND GAVE NO INDICATIO…
Owner-reported narrative. Look up ODI 10462485 at NHTSA ↗
Owner report 10564693 · 2014-02-17 (February 17, 2014)
WAS READY TO LEAVE WORK,HAD FOOT ON BRAKE PEDAL,IT FELT SPONGY STARTED TRUCK,PUMPED IT UP IT STILL FELT SPONGY AS I GOT TO END OF THE ROAD I WAS DRIVING ON I WENT TO HIT BRAKE FOR STOP SIGN/THE BRAKE PEDAL WENT RIGHT DOWN TO THE FLOOR AND BRAKE LIGHT/CHECK IDIOT LIGHT AND MESSAGE CAME ON DASH,OIL REMINDER AS SERVICE BRAKE FAILURE CAME ON UP AS THE MESSAGE. BARELY WAS I ABLE TO STOP HAD TO SHIFT TRUCK TO 3 LOW FOR ADDITIONAL ENGINE BRAKING AS I GOT UP TO THE INTERSECTION AND ALMOST BLEW THROUGH THE STOP SIGN,DROVE IT BOUT A MILE HOME,LOOKED U…
Owner-reported narrative. 58,682 miles reported. Look up ODI 10564693 at NHTSA ↗