2004 Infiniti Qx56 Problems

High Complaint Volume

Real NHTSA owner complaints for the 2004 Infiniti Qx56.

< older2005
Complaints
147
Crashes
7
Fires
1
Injuries
3
Fatalities
Recalls
1

Worst 2004 Infiniti Qx56 Problems

Top 3 most-reported issues with average mileage at failure.

#133 complaints

Brakes

Avg mileage:94,550 mi
#217 complaints

Hydraulic Brakes

Avg mileage:74,998 mi
Crash-related:2
#314 complaints

Electrical Faults

Avg mileage:95,123 mi
Crash-related:1
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All Problems by Category

Every NHTSA complaint category for the 2004 Infiniti Qx56.

Brakes
33
complaints
Crashes
Fires
Avg Miles
94,550
Hydraulic Brakes
17
complaints
Crashes
2
Fires
Avg Miles
74,998
Electrical Faults
14
complaints
Crashes
1
Fires
Avg Miles
95,123
Service Brakes, Hydraulic:Foundation Components:Disc:Rotor
9
complaints
Crashes
Fires
Avg Miles
5,062
Airbags
8
complaints
Crashes
1
Fires
Avg Miles
93,461
Engine Problems
5
complaints
Crashes
1
Fires
Avg Miles
130,600
Gasoline Fuel System
4
complaints
Crashes
Fires
Avg Miles
Engine & Cooling
3
complaints
Crashes
Fires
Avg Miles
Automatic Transmission
3
complaints
Crashes
1
Fires
Avg Miles
Seats:Front Assembly:Power Adjust
3
complaints
Crashes
Fires
Avg Miles
Steering Defects
3
complaints
Crashes
Fires
Avg Miles
Air Bags:Frontal:Sensor/Control Module
2
complaints
Crashes
Fires
Avg Miles
Fuel System
2
complaints
Crashes
Fires
Avg Miles
Seat Belt Issues
2
complaints
Crashes
Fires
Avg Miles
Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip
2
complaints
Crashes
Fires
Avg Miles
Service Brakes, Hydraulic:Foundation Components:Disc
2
complaints
Crashes
Fires
Avg Miles
Service Brakes, Hydraulic:Foundation Components:Disc:Pads
2
complaints
Crashes
Fires
Avg Miles
Body Structure
2
complaints
Crashes
Fires
Avg Miles
Structure:Body:Hatchback/Liftgate
2
complaints
Crashes
Fires
Avg Miles
Suspension Failures
2
complaints
Crashes
Fires
Avg Miles
Unintended Acceleration
2
complaints
Crashes
1
Fires
Avg Miles
Visibility
2
complaints
Crashes
Fires
Avg Miles
Visibility:Power Window Devices And Controls
2
complaints
Crashes
Fires
Avg Miles
Back Over Prevention:Warnings:External/Pedestrian Alert
1
complaints
Crashes
Fires
Avg Miles
Instrument Cluster
1
complaints
Crashes
Fires
Avg Miles
Electrical System:Wiring
1
complaints
Crashes
Fires
1
Avg Miles
Electronic Stability Control
1
complaints
Crashes
Fires
Avg Miles
Engine And Engine Cooling:Cooling System
1
complaints
Crashes
Fires
Avg Miles
Engine And Engine Cooling:Exhaust System
1
complaints
Crashes
Fires
Avg Miles

Search Owner Complaints

Read what owners actually reported to NHTSA for the 2004 Infiniti Qx56. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.

Recalls for 2004 Infiniti Qx56

1 NHTSA recall campaign affecting ~747,480 vehicles.

10V517000Engine & Cooling
~747,480 affected

NISSAN IS RECALLING CERTAIN MODEL YEAR 2004-2006 ARMADA, TITAN, INFINITI QX56 AND MODEL YEAR 2005-2006 FRONTIER, PATHFINDER AND XTERRA VEHICLES. THE INTELLIGENT POWER DISTRIBUTION MODULE (IPDM) ASSEMBLY CONTAINS AN ENGINE CONTROL MODULE (ECM) RELAY THAT HAS A DIODE FOR ELECTRICAL CURRENT NOISE REDUCTION. THE ECM RELAY MAY ALLOW SILICON VAPOR TO FORM AND, OVER TIME, THE SILICON EVAPORATES FROM THE DIODE MOLDING WHICH CAUSES SILICON OXIDE TO DEVELOP ON THE ECM RELAY CONTACT DUE TO ARCING.

Other Infiniti Qx56 Years

2004 Infiniti Qx56 — FAQ

Answers based on real NHTSA complaint and recall data for this specific model year.

Is the 2004 Infiniti Qx56 reliable?
Verdict: High Complaint Volume. The 2004 Infiniti Qx56 has 147 NHTSA complaints, 7 crash-related, and 1 recall campaign. The most common issue is Brakes with 33 complaints. Source: NHTSA via VinItel.
What are common problems with the 2004 Infiniti Qx56?
Top reported problems: Brakes (33 complaints, avg 94,550 mi); Hydraulic Brakes (17 complaints, avg 74,998 mi); Electrical Faults (14 complaints, avg 95,123 mi). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2004 Infiniti Qx56?
The weighted average mileage at time of complaint is about 83,408 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 2004 Infiniti Qx56?
NHTSA complaints for the 2004 Infiniti Qx56 include 7 crash-related reports, 1 fire reports, 3 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 2004 Infiniti Qx56 have any recalls?
Yes — 1 NHTSA recall campaign affecting an estimated 747,480 vehicles. Recalls are free to fix at the dealer. Always verify by VIN whether the specific car you're looking at has had its recalls addressed.
Should I buy a 2004 Infiniti Qx56?
This year has a higher-than-normal complaint volume. It's not an automatic no, but focus inspection on the top reported issue (brakes) and verify open recalls have been addressed.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.

Wider context: See the full Infiniti Qx56 reliability report with year-by-year comparison and generation analysis.

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