2006 Infiniti QX56 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
79 owner complaints analyzed
3 distinct recall campaigns
91,642 mi median reported failure mileage
Scope: 2006 model year. Data snapshot: . 71 complaints include usable failure mileage.
Most common problems
Service Brakes is the most frequently named component, appearing in 46 of 79 complaints (58.2%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 56 | 70.9% |
| Engine operation | 8 | 10.1% |
| Steering behavior | 4 | 5.1% |
| Transmission and shifting | 3 | 3.8% |
| Electrical and battery issues | 3 | 3.8% |
| Fuel system concerns | 3 | 3.8% |
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 | 46 |
| Service Brakes, Hydraulic | 11 |
| Electrical System | 8 |
| Engine | 6 |
| Power Train | 5 |
| Exterior Lighting | 4 |
| Unknown Or Other | 3 |
| Electronic Stability Control (Esc) | 2 |
Service Brakes: 46; Service Brakes, Hydraulic: 11; Electrical System: 8; Engine: 6; Power Train: 5; Exterior Lighting: 4; Unknown Or Other: 3; Electronic Stability Control (Esc): 2
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 2 |
| 25,000 to 49,999 | 10 |
| 50,000 to 74,999 | 12 |
| 75,000 to 99,999 | 17 |
| 100,000 to 149,999 | 18 |
| 150,000 and above | 12 |
Under 25,000: 2; 25,000 to 49,999: 10; 50,000 to 74,999: 12; 75,000 to 99,999: 17; 100,000 to 149,999: 18; 150,000 and above: 12
100,000 to 149,999 miles has the most reports with usable mileage (18). 8 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 | 2 |
| 2010 | 10 |
| 2011 | 6 |
| 2012 | 4 |
| 2013 | 13 |
| 2014 | 10 |
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 8 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
2006: 2; 2010: 10; 2011: 6; 2012: 4; 2013: 13; 2014: 10; 2015: 2; 2016: 5; 2017: 3; 2018: 8; 2019: 6; 2020: 7; 2021: 1; 2022: 1; 2023: 1
Pattern summary
Service Brakes leads the component reports. Braking behavior appears in 56 complaint narratives. Engine operation appears in 8 complaint narratives. Steering behavior appears in 4 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 10305583 · 2010-02-04 (February 4, 2010)
BRAKE FAILURE ON 2006 INFINITI QX56. ONE TIME. SITUATION DANGEROUS, DRIVER AVOIDING PEDESTRIANS AND VEHICLES ON A BUSY THOROUGHFARE. *TR
Owner-reported narrative. 43,834 miles reported. Look up ODI 10305583 at NHTSA ↗
Owner report 10316913 · 2010-03-04 (March 4, 2010)
MY WIFE WAS DRIVING OUR SUV WHEN A CAR CUT IN FRONT OF HER AND SHE SLAMMED ON HER BRAKE TO AVOID HITTING THE CAR THAT HAD CUT HER OFF. HER FOOT ON THE PEDAL WENT ALL THE WAY TO THE FLOOR AND HER BRAKE LIGHT FLASHED REPEATEDLY. SHE HAD NO BRAKE AND PUT THE CAR IN NEUTRAL TO ALLOW THE CAR TO COME TO A STOP. WE HAD THE CAR TOWED TO THE DEALERSHIP. INITIALLY WE WERE TOLD THAT THE POWER BOOSTER/MASTER CYLINDER AND POSSIBLY A VDC PROBLEM THAT NEEDS TO BE REPLACED. I WAS CALLED LATER ON THAT DAY AND WAS TOLD THAT INFINITI HAD ISSUED A BULLETIN WH…
Owner-reported narrative. 49,159 miles reported. Look up ODI 10316913 at NHTSA ↗
Owner report 10321839 · 2010-03-24 (March 24, 2010)
TL* THE CONTACT OWNS A 2006 INFINITI QX56. THE CONTACT STATED THAT WHILE DRIVING AT SPEEDS OF 65 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE DEALER PERFORMED A DIAGNOSTIC TEST AND REPLACED BOTH THE BATTERY AND FUEL PUMP. THE CONTACT CONFIRMED THAT THEY RECEIVED NOTIFICATION OF A RECALL CAMPAIGN (NHTSA CAMPAIGN ID NUMBER: 10V074000-FUEL SYSTEM, OTHER: STORAGE: FUEL GAUGE SYSTEM) FOR HIS SPECIFIC VEHICLE. THE DEALER ADVISED MAINTAINING AT LEAST HALF A TANK OF GASOLINE AT ALL TIMES. THE DEALER ALSO CONFIRMED THE PARTS NEEDED TO PERFORM THE NECE…
Owner-reported narrative. 50,000 miles reported. Look up ODI 10321839 at NHTSA ↗
Owner report 10325825 · 2010-04-15 (April 15, 2010)
WE RECEIVE A LETTER FROM INFINITI COMPANY BECAUSE I'M THE OWNER OF A INFINITY QX56, YEAR 2006 NOTIFYING ME THAT THE FUEL GAUGE IN SOME OF THE VEHICLE MAY BE INACCURATE DUE TO A MALFUNCTION IN THE FUEL LEVEL SENDING UNIT, THAT CAUSE THE INSTRUMENT PANEL FUEL GAUGE TO INACCURATELY DISPLAY THAT THE VEHICLE STILL HAS SOME FUEL, TYPICALLY ABOUT ONE QUARTER TANK, WHEN THE FUEL TANK IS EMPTY AND THAT IF THIS WERE TO OCCUR ON MY VEHICLE, THE VEHICLE COULD STALL, WHICH COULD CREATE AN UNSAFE CONDITION WHICH COULD RESULT IN A CRASH. I NEVER AGO HAS THIS…
Owner-reported narrative. Look up ODI 10325825 at NHTSA ↗
Owner report 10331806 · 2010-05-23 (May 23, 2010)
VEHICLE STALLING AND LOSING POWER AND ALL WARNING LIGHTS ON DASHBOARD BEGIN TO FLASH. ON SEVERAL OCCASIONS VEHICLE COMPLETELY STALLED WHILE I WAS DRIVING ON THE FREEWAY CAUSING ME TO LOSE POWER STEERING CONTROL AND ALMOST CAUSING AN ACCIDENT. PROBLEM COMES AND GOES WITHOUT ANY PRE-WARNING. *TR
Owner-reported narrative. 91,642 miles reported. Look up ODI 10331806 at NHTSA ↗
Owner report 10373556 · 2010-12-30 (December 30, 2010)
TL*THE CONTACT OWNS A 2006 INFINITI QX56. WHILE DRIVING APPROXIMATELY 30 MPH, THE CONTACT APPLIED PRESSURE TO THE BRAKES WHEN SHE HEARD A LOUD GRINDING NOISE FOLLOWED BY EXCESSIVE SHAKING OF THE STEERING WHEEL. THE CONTACT ALSO NOTICED THAT THE EMERGENCY BRAKE WARNING LIGHT ILLUMINATED BUT THE BRAKE WAS NOT ACTUALLY ON. THE CONTACT POWERED THE VEHICLE OFF, TURNED IT ON AGAIN AND THE EMERGENCY BRAKE LIGHT SHUT OFF. THE DEALER WAS NOTIFIED AND PERFORMED A DIAGNOSTIC TEST, WHICH CONFIRMED THAT THE DELTA SENSOR IN THE BOOSTER ASSEMBLY NEEDED TO BE…
Owner-reported narrative. 107,900 miles reported. Look up ODI 10373556 at NHTSA ↗
Owner report 11170744 · 2019-01-18 (January 18, 2019)
I WAS IN MOTION ON A ROAD WHEN THE UNIVERSAL JOINT BROKE OFF, WITHOUT ANY WARNING, THEN CAUSED THE DRIVE SHAFT TO EXPLODE, UPON PULLING OVER, I DISCOVERED METAL FRAGMENTS IN THE ROAD, AND RED TRANSMISSION FLUID RUNNING OUT OF MY VEHICLE. AFTER A COMPLETE INSPECTION MY VEHICLE IS TOTALED!
Owner-reported narrative. 185,000 miles reported. Look up ODI 11170744 at NHTSA ↗
Owner report 11229276 · 2019-07-03 (July 3, 2019)
TL* THE CONTACT OWNS A 2006 INFINITI QX56. THE CONTACT STATED THAT AS SOON AS THE VEHICLE WAS STARTED, IT SHOOK UNCONTROLLABLY AND THE TRANSMISSION WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DETERMINED THAT THE TRANSMISSION FAILED AND NEEDED REPLACEMENT. THE CONTACT STATED THAT THE VEHICLE EXPERIENCED THE FAILURE EVER SINCE IT WAS PURCHASED ON DECEMBER 4, 2017. THE VEHICLE WAS TAKEN TO WENDLE NISSAN (8900 N DIVISION ST, SPOKANE, WA 90218) WHERE IT WAS DIAGNOSED THAT THE TRANSMISSION NEEDED REPLACEMENT. T…
Owner-reported narrative. 134,000 miles reported. Look up ODI 11229276 at NHTSA ↗
Owner report 10514789 · 2013-06-03 (June 3, 2013)
TL* THE CONTACT OWNS A 2006 INFINITI QX56. THE CONTACT STATED THAT THERE WAS WATER AND MOISTURE ACCUMULATION IN BOTH HEADLAMPS AS RESULT OF A SHORTAGE IN THE CONTROL DEVICE WIRING. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE VEHICLE HAD BEEN REPAIRED ON TWO SEPARATE OCCASIONS FOR THE SAME DEFECT. THE MANUFACTURER WAS NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 66,000. THE VIN WAS UNAVAILABLE.
Owner-reported narrative. 66,000 miles reported. Look up ODI 10514789 at NHTSA ↗