Total Complaints
121 filings
GMC ENVOY DENALI · model year
121 NHTSA complaints, 5 crash reports for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2006GMCENVOY DENALI carries 121 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 5 crashes, 1 fire, 1 injury, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2006 ENVOY DENALI is fuel system, gasoline with 18 filings, followed by electrical system (17) and engine (12). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 2 investigation files overlapping the 2006 ENVOY DENALI. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
121 filings
Crashes Reported
5 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| FUEL SYSTEM, GASOLINE | 18 |
| ELECTRICAL SYSTEM | 17 |
| ENGINE | 12 |
| ELECTRONIC STABILITY CONTROL (ESC) | 7 |
| SUSPENSION | 7 |
| FUEL/PROPULSION SYSTEM | 7 |
| EXTERIOR LIGHTING | 6 |
| UNKNOWN OR OTHER | 4 |
| POWER TRAIN | 4 |
| VEHICLE SPEED CONTROL | 3 |
| POWER TRAIN:AUTOMATIC TRANSMISSION | 3 |
| STEERING | 3 |
| AIR BAGS | 2 |
| FUEL SYSTEM, OTHER | 2 |
| ENGINE AND ENGINE COOLING:ENGINE | 2 |
TAKATA RECALL ? AIR RIDE SUSPENSION FAILURE, OVER INFLATION RESULTING IN A EXCESSIVE BOUNCING RIDE AND LOSS OF TRACTION ON OTHER SITES I SEE THAT THIS WAS A 92% COMPLAIN RATE
Mileage: 155,000
MY 2006 ENVOY DENALI'S LOW BEAM LIGHTS ARE CUTTING OUT ON ME AT NIGHT. I'VE READ SEVERAL CASES ON THE INTERNET THAT THERE WAS A RECALL ON THIS. I'M CONCERNED THAT THIS SITUATION MAY CAUSE AN ACCIDENT AT NIGHT UNEXPECTANY.
Mileage: 189,000
HEAT NOT BLOWING HOT LIKE PASSENDER SIDE
TL* THE CONTACT OWNS A 2006 GMC ENVOY DENALI. THE CONTACT STATED THAT THE VEHICLE FAILED TO START AND ALL THE WARNING INDICATORS ILLUMINATED. THE CONTACT MENTIONED THAT WHEN THE VEHICLE WOULD START, IT WOULD CUT OFF IMMEDIATELY. THE VEHICLE WAS TAKEN TO BETTEN BAKER CHEVROLET BUICK GMC (14120 NORTHLAND DR, BIG RAPIDS, MI 49307 (231) 629-4340) WHERE IT WAS DIAGNOSED THAT AN ELECTRICAL FAILURE WAS FOUND, BUT THE DEALER DID NOT KNOW THE EXACT CAUSE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND REFERRED THE CONTACT TO NHTSA. THE FAILURE MILEAGE WAS APPROXIMATELY 126,000.
Mileage: 126,000
TL* THE CONTACT OWNS A 2006 GMC ENVOY DENALI. THE CONTACT STATED THAT THE VEHICLE FAILED TO START AND ALL THE WARNING INDICATORS ILLUMINATED. THE CONTACT MENTIONED THAT WHEN THE VEHICLE WOULD START, IT WOULD CUT OFF IMMEDIATELY. THE VEHICLE WAS TAKEN TO BETTEN BAKER CHEVROLET BUICK GMC (14120 NORTHLAND DR, BIG RAPIDS, MI 49307 (231) 629-4340) WHERE IT WAS DIAGNOSED THAT AN ELECTRICAL FAILURE WAS FOUND, BUT THE DEALER DID NOT KNOW THE EXACT CAUSE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND REFERRED THE CONTACT TO NHTSA. THE FAILURE MILEAGE WAS APPROXIMATELY 126,000.
Mileage: 126,000
MY HUSBAND AND I WERE TRAVELING WHEN THE VEHICLE SHUT OFF WITH NO WARNING AT ALL AND ALL THE DASH BOARD LIGHTS CAME ON. THE VEHICLE WOULD NOT RESTART BUT WOULD TURN. THIS HAPPENED SATURDAY 9/2/17 ON A COUNTRY HIGHWAY OUT IN NOWHERE . WE CALLED A TOW TRUCK. THANK GOD FOR CELLPHONES. ON 11/12/2016 HUB BEARINGS REPLACED. 11/15/16 MODULE AND CONNECTOR REPLACED AND FUEL LEVEL SENSORS AND RING REPLACED. THREE YEARS AGO A/C WENT OUT. REPLACED.
Mileage: 90,447
MY HUSBAND AND I WERE TRAVELING WHEN THE VEHICLE SHUT OFF WITH NO WARNING AT ALL AND ALL THE DASH BOARD LIGHTS CAME ON. THE VEHICLE WOULD NOT RESTART BUT WOULD TURN. THIS HAPPENED SATURDAY 9/2/17 ON A COUNTRY HIGHWAY OUT IN NOWHERE . WE CALLED A TOW TRUCK. THANK GOD FOR CELLPHONES. ON 11/12/2016 HUB BEARINGS REPLACED. 11/15/16 MODULE AND CONNECTOR REPLACED AND FUEL LEVEL SENSORS AND RING REPLACED. THREE YEARS AGO A/C WENT OUT. REPLACED.
Mileage: 90,447
MY HUSBAND AND I WERE TRAVELING WHEN THE VEHICLE SHUT OFF WITH NO WARNING AT ALL AND ALL THE DASH BOARD LIGHTS CAME ON. THE VEHICLE WOULD NOT RESTART BUT WOULD TURN. THIS HAPPENED SATURDAY 9/2/17 ON A COUNTRY HIGHWAY OUT IN NOWHERE . WE CALLED A TOW TRUCK. THANK GOD FOR CELLPHONES. ON 11/12/2016 HUB BEARINGS REPLACED. 11/15/16 MODULE AND CONNECTOR REPLACED AND FUEL LEVEL SENSORS AND RING REPLACED. THREE YEARS AGO A/C WENT OUT. REPLACED.
Mileage: 90,447
AT EVERY FILLUP WE CAN SMELL GAS LIKE THERE IS A FUEL LEAK. I HAD A SHOP DO A FOG TEST AND THEY CONFIRMED A LEAK "SOMEWHERE FROM THE TOP OF THE TANK". THE TANK WOULD NEED TO BE DROPPED TO VISUALLY INSPECT AT A COST OF $400-$500 JUST FOR THE DROPPING OF THE TANK. THEN THERE WOULD BE ADDED COSTS TO REPAIR WHATEVER IS CAUSING THE LEAK AND SMELL OF GAS. AFTER HEARING THAT I CAME HOME TO START MY SEARCHING FOR RECALLS & SAFETY NOTICES TO FIND THAT GM HAD A NOTICE ISSUED AS WELL AS THE NHTSA, BUT IT SEEMS THEY CUT THE YEAR OFF AT 2004 & 120,000 MILES. ACCORDING TO THE THREAD BELOW, IT APPEARS THIS WAS EXTENDED TO VEHICLE UNDER 150,000 MILES WHICH WE ARE WELL UNDER, BUT WE DON'T HAVE A 2002-2004 MODEL. THREAD - HTTP://FORUMS.TRAILVOY.COM/SHOWTHREAD.PHP?T=22530 VIN - [XXX] A VIN SEARCH FOR THIS ENVOY DIDN'T BRING UP THE FUEL LEAK ISSUES, BUT WE CAN SMELL GAS & CONFIRMED A LEAK EXISTS ON THE TOP OF THE TANK SOMEWHERE. WAS THIS PROBLEM EVER REPORTED FOR NEWER MODELS YET?
Mileage: 108,000
TAKATA RECALL, GAS GAUGE WILL ONLY SHOW EMPTY.
Mileage: 820,000
LOW BEAM HEADLIGHTS AND DAYTIME RUNNING LIGHTS HAVE BEGAN FAILING INTERMITTENTLY. VEHICLE WAS IN MOTION. LOW BEAMS FAILED ON AN UNLIGHTED INTERURBAN HIGHWAY AT NIGHT. SCARY! THEY STAYED OFF FOR ABOUT 5 MINUTES, AND THEN RETURNED TO OPERATION. DURING THIS TIME I WAS DRIVING, TRYING TO VACATE THE HIGHWAY, USING HIGH BEAMS AND FOG LAMPS. DTL FAILURE NOTICED WHEN ENTERING GARAGE. HEADLIGHT DELAY ALSO FAILS AT THESE TIMES. LOSING LIGHTS AT 45 MPH ON A DARKENED ROAD IS VERY UNSAFE. DEALER SERVICE DEPARTMENT SAYS PROBLEM MAY BE A LIGHT RELAY THAT IS KNOWN TO HAVE ISSUES.
Mileage: 82,600
INITIALLY, WHEN THE CAR WAS FILLED WITH FUEL, IT IMMEDIATELY INDICATED THAT THE CAR WAS EMPTY AND THE ENGINE LIGHT CAME ON. ONCE YOU USED A COUPLE OF GALLONS THE FUEL GAUGE BEGAN WORKING AND THE ENGINE LIGHT WENT OFF. JUST RECENTLY THE SYSTEM IS NOT CORRECTING ITSELF AND THE FUEL GAUGE WILL CONSTANTLY GO BETWEEN FULL AND EMPTY SO I NEVER KNOW HOW MUCH FUEL I HAVE IN IT. ALSO THE ENGINE LIGHT IS REMAINING ON.
Mileage: 140,000
INITIALLY, WHEN THE CAR WAS FILLED WITH FUEL, THE FUEL GAUGE WOULD AUTOMATICALLY GO TO EMPTY AND THE ENGINE LIGHT WOULD COME ON. AFTER DRIVING SEVERAL MILES, THE GAUGE WOULD CORRECT ITSELF AND THE ENGINE LIGHT WOULD GO OFF. AFTER MONTHS OF THIS, THE SYSTEM DOES NOT CORRECT ITSELF AND I NEVER KNOW HOW MUCH GAS I HAVE - IT CONSTANTLY GOES FROM FULL TO EMPTY.
WHEN STARTING MY VEHICLE AND START TO DRIVE I NOTICE 2 CHECK ENGINE LIGHTS POP ON. ONE ENGINE LIGHT HAS A ARROW POINTING DOWN AND THE OTHER JUST HAVE THE ENGINE LIGHT SYMBOL AND THE MY SPEED STARTS TO REDUCE A LOT. I WILL PULL OVER TO THE SIDE OF THE ROAD SHUT THE CAR OFF WAIT FOR 5-10 MINUTES AND CRANK IT UP AND AFTER MAYBE 15-20 MINUTES OF DRIVING IT POPS BACK ON. I'VE HAD THE MECHANIC TO DIAGNOSTIC MACHINE AND HE HAS SAID THE THROTTLE BODY NEEDS CHANGING, HAD THAT DONE AND THE SAME PROBLEM CAME BACK. SO I HAD MY OLD ONE PUT BACK ON AND THEN THE MECHANIC SAY MAYBE IT'S THE GAS PEDAL SENSOR. HAD THAT CHANGED AND THE PROBLEM IS STILL THEIR. I LOVE MY TRUCK BUT I DON'T HAVE THE MONEY TO KEP TRYING TO FIX THIS PROBLEM. I NEED HELP, FROM SOMEONE, PLEASE
JUST LIKE ALL THE OTHERS MY 2006 GMC ENVOY DENALI HAS A BAD #7 LIFTER. WHERE ARE THE RECALLS????? GM IS GETTING AWAY WITH RIPPING OFF THE PUBLIC AND NO ONE CARES. JUST BAIL THEM OUT AND THEN LET THEM ROB ALL OF US ALSO???????????????
Mileage: 148,001
INFLATOR STOPPED WORKING, AIR BAG BLEW OUT WHILE ON FREEWAY!
Mileage: 112,430
FAILURE OF THE DOD LIFTER, ALSO KNOWN AS THE ACTIVE FUEL MANAGEMENT SYSTEM. WHILE AT SPEED ON THE FREEWAY, THE DOD LIFTER ON CYLINDER #7 FAILED CAUSING A MISFIRE ON THE CYLINDER WHICH CAUSED TEH ENGINE TO SHAKE VIOLENTLY. THIS IS THE 2ND FAILURE OF A DOD LIFTER ON MY TRUCK. IN NOV 2014, A DOD LIFTER ON CYLINDER #6 FAILED, CAUSING A ENGINE MISFIRE AND A VIOLENT SHAKE. THE CAUSE OF THE FAILURE WAS DETERMINED TO BE LACK OF OIL PRESSURIZE THE DOD LIFTER. UPON DECIDING TO REBUILD THE MOTOR RATHER THAN REPLACING THE MOTOR, WE DECIDED TO REPLACE ALL INTERNAL COMPONENTS OF THE MOTOR SIMPLY BECAUSE THE MOTOR WOULD NEED A FULL TEAR DOWN ANYWAY. THE LIFTERS, OIL PRESSURE SOLENOIDS OF THE DOD LIFTERS, ROCKERS, ROCKER ARMS, SPRINGS AND CAMSHAFT WERE ALL REPLACED THINKING THAT WE MIGHT AS WELL REBUILD THE BLOCK WITH NEW COMPONENTS TO SAVE OFF ANY FUTURE ISSUES. AFTER 1 MONTH IN THE GMC SERVICE CENTER, THE VEHICLE WAS BACK ON THE ROAD IN DEC 2014. THIS REPAIR WAS $5,900.00 IN MARCH 20
Mileage: 140,000
I HAVE HAD 4 BATTERY AND LIGHTS FLASH AND HARD DRAW ON ALT HAVE REPLACED ALT WITH NEW DELCO NEW LIGHTS STILL FLASH DRAWS LIGHTS DOWN. BEEN TO DEALER DEALER FROM2008 TO NOW AND THEY TELL ME I DON'T DRIVE VERY NEED TO DRIVE MORE CARE HAS 40"000 MILES THEY CAN'T FIND ANYTHING WRONG. YOU CAN DRIVE OR BE SETTING RUNNING STILL DOES THIS IT PULL DOWN ON ENGINE PULLS ALT GOES TO12 VOLTS THEN GOES ON
Mileage: 20,000
TL* THE CONTACT OWNS A 2006 GMC ENVOY DENALI. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 14V755000 (VISIBILITY) HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. THE VIN WAS NOT AVAILABLE. UPDATED 03/09/16*LJ *CN
FIRST OFF MY ELECTRICAL PANEL IN MY STEERING WHEEL NONE OF THE LIGHTS ARE ON AND WITH MY WINDSHIELD WIPERS SOME TIME THEY WILL COME AND WHEN IT START TO RAIN AND THEY WILL STOP WORKING THIS IS VERY DANGEROUS BECAUSE I NEVER KNOW WHEN THEY GOING TO WORK OR NOT DRIVING LIKE THIS CAN BE A DEATH TRAP, THIS BEEN GOING FOR ABOUT 6 MONTHS I TOLD THEM AFTER THE RECALL FOR MY DOOR PANEL THEY SAID IT MIGHT BE RECALL FOR THIS AS WELL NOTHING YET.
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.