Powertrain complaints and recalls from NHTSA
Summary
The 2006 GMC Sierra has 27 NHTSA powertrain complaints and 0 powertrain-related recalls.
27
Complaints
0
Recalls
0
Injuries Reported
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 9, 2026
| Date ↓ | Component | Summary |
|---|---|---|
| Aug 15, 2016 | POWER TRAIN,SERVICE BRAKES | 1.RUSTED BRAKE LINES BLOWOUT.FORTUNATELY MINE HAPPENED IN A PARKING LOT,NOT ON THE TURNPIKE,AND REQU... |
| Jun 1, 2016 | POWER TRAIN | 2006 GMC SIENNA. CONSUMER WRITES IN REGARDS TO TRANSMISSION GEAR SHIFTER STICKS/ GRINDS WHEN CLUTCH... |
| Jun 22, 2014 | POWER TRAIN,ENGINE | WE WERE IN A STORAGE FACILITY PARKING OUR CAMPER WHEN I GOT OUT OF MY GMC TRUCK...I LEFT IT RUNNING ... |
| Feb 3, 2014 | POWER TRAIN,SERVICE BRAKES | TL* THE CONTACT OWNS A 2006 GMC SIERRA 1500. THE CONTACT STATED THAT THERE WAS AN UNKNOWN SUBSTANCE ... |
| Jul 12, 2013 | POWER TRAIN | THE TRANSMISSION BEGAN TO SLIP. AT TIMES, I HAD TO STOP THE TRUCK AND PUT IN PARK BEFORE IT WOULD E... |
| Oct 8, 2010 | POWER TRAIN | I OWN A 2006 GMC SIERRA. I PURCHASED THIS VEHICLE FROM A RELATIVE (70 YEAR OLD WOMAN) AND IT HAS 22... |
| Aug 15, 2010 | POWER TRAIN | TRANSMISSION COOLING LINES LEAKING. *TR |
| Mar 28, 2010 | POWER TRAIN | 2006 GMC DIESEL WITH ALLISON TRANSMISSION...LINES TO TRANSMISSION COOLER LEAKING. IT IS A FIRE HAZAR... |
| Dec 28, 2009 | POWER TRAIN | TL* THE CONTACT OWNS A 2006 GMC SIERRA 1500. THE CONTACT STATED THAT WHEN DRIVING AT VARIOUS SPEEDS ... |
| Dec 10, 2009 | POWER TRAIN | TL* THE CONTACT OWNS A 2006 GMC SIERRA 3500. WHILE EXAMINING THE VEHICLE HE NOTICED FLUID LEAKING FR... |
| Aug 27, 2009 | POWER TRAIN | WE WERE ON VACATION IN ALABAMA AND OUR 2006 GMC SIERRA TRUCK WITH 62,000 MILES ON IT. WHEN THE TRAN... |
| Apr 7, 2009 | POWER TRAIN | TL* THE CONTACT OWNS A 2006 GMC SIERRA 1500. THE CONTACT STATED THAT WHILE DRIVING 75 MPH, THE SERVI... |
| Mar 12, 2009 | POWER TRAIN | TL*THE CONTACT OWNS A 2006 GMC SIERRA 1500. WHILE THE VEHICLE WAS PARKED ON A NON-LEVELED SURFACE, ... |
| Mar 4, 2009 | POWER TRAIN | I HAVE A 2006 GMC SIERRA 2500 WITH THE LBZ DURAMAX AND ALLISON TRANSMISSION. TWO OF THE TRANSMISSIO... |
| Jan 11, 2009 | POWER TRAIN | I AM THE SHOP FOREMAN FOR A CONSTRUCTION COMPANY IN ALASKA. I DROPPED OFF A 2006 GMC 2500 PICKUP LAS... |
| Sep 18, 2008 | POWER TRAIN | I OWN A 2006 GMC 2500HD DURAMAX/ALLISON CREW CAB. I TOOK OWNERSHIP IN FEB OF 2007 WITH 32K MILES. TR... |
| Jun 1, 2008 | POWER TRAIN | TL*THE CONTACT OWNS A 2006 GMC SIERRA 2500. THE CONTACT HAS A MANUAL TRANSMISSION VEHICLE WITH THE ... |
| Jan 30, 2008 | POWER TRAIN | WENT TO GMC DEALER BECAUSE TRUCK HAS A TRANSMISSION OIL LEAK. TECHNICIAN NOTED THAT ALL THREE TRANSM... |
| Jan 18, 2008 | POWER TRAIN | I HAVE A 2006 GMC SIERRA THAT HAS HAD TRANSMISSION LINES REPLACED AND THAT KEEP HAVING TO BE REPLACE... |
| Jan 15, 2008 | POWER TRAIN | TRANSMISSION COOLER LINE LEAKING TRANSMISSION FLUID AT AN ALUMINUM CRIMP THAT CONNECTS A RUBBER HOSE... |