2005 Infiniti QX56 Transmission and drivetrain Problems
- Complaints
- 5about this part
- Share
- 6%of 80 total for the year
- Median mileage
- 92,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the transmission and drivetrain of the 2005 Infiniti QX56, 6% of the 80 complaints for this model year. Where a mileage was given, the median is 92,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“My wife drove the vehicle to and from work with no visible problem and parked it in the drive. The next day I was able to back out of the driveway but when I put the vehicle in drive I noticed that the ats light is on and it is struggling to move forward. The manual says to take the vehicle to a dealer if the ats light is on so I had aaa flat bed it to my local Infiniti dealer. …”
NHTSA complaint #10499399, filed 2013-02, 69,000 miles“When car stop on stop sign, ready to go, brief a moment it hold a car & then go. I have been taking to a dealer for fix ,they couldn't fix or they couldn't find a problem. Seems to me either the transmission or fuel relate problem. My car is Infiniti QX56. Please look in to this problem.”
NHTSA complaint #10173762, filed 2006-11, 5,135 miles“While driving on the freeway I noticed that the tachometer continued rising instead of going up and down with the speed. By the time I got home the gauge was facing straight down, stuck in that position. I turned the car off and on to see if it would change the gauge, but nothing happened. Next I put the can in park, set the parking brake and hit the accelerator and the gauge began to slowly move backwards, after doing this a few times the gauge moved back around slowly. After doing this 5 times the gauge is just to the left of the red area. …”
NHTSA complaint #10501472, filed 2013-03, 92,000 miles“A 2005 infinity QX56 was being driven at 50 MPH on a highway when the automatic transmission cooler hose ruptured releasing the atf fluid. The transmission was losing atf . Lost the ability to propel the car. At that time I had my wife and 2 young children in the car. The car was driven into a nearby shopping plaza parking lot and was unable to move after that point. The rupture could have lead to a crash situation. The incident caused a short term friction material failure week later. The hose was replaced and transmission cleaned and flushed. The transmission worked until june 3 , 2014. …”
NHTSA complaint #10606804, filed 2014-06, 175,000 miles“A 2005 infinity QX56 was being driven at 35 MPH on a two lane road when the automatic transmission cooler ruptured inside the radiator releasing the atf fluid into the radiator. The transmission was losing atf through the radiator's pressure relief points an lost the ability to propel the car within one block. The car was driven into a nearby drive and was unable to move after that point. The rupture could have lead to a crash situation. The second part of incident is the coolant contaminated the transmission and caused a short term friction material failure 4 months later. …”
NHTSA complaint #10544082, filed 2013-09, 118,813 milesRelated service bulletins
- 10149806Oct 12, 2018TRANSMISSION & ENGINE AUTOMATED DATA COLLECTION AND DIAGNOSTIC REPORTING SERVICE INFORMATION To support proper diagnosis and to promote Fixed-Right-First-Time ? Infiniti may…
- 10192822May 10, 2016SERVICE INFORMATION Replacement 5-speed rear wheel drive Automatic Transmission (A/T) assemblies and replacement control valves (valve bodies) now come with blank Transmission…
- 10192475Nov 20, 2014SERVICE INFORMATION If a customer describes lack of power or poor acceleration, perform the following checks before attempting any repair: * Check for stored DTCs. * Check if the…
- 10032790Oct 6, 2011Infiniti: clicking noise from rear axles during take-off/acceleration. *pe updated 11/2/11.
- 10033227Feb 11, 2010Infiniti: 5 speed a/t dtc diagnoses for p1701, p1702, p1703, p1704, p1705, p1754, p1759, p1764, p1769, p1774. Applies to re 5r05a only transmissions (5 speed a/t). If one or more…
- 10024688Apr 28, 2008Infiniti; special automatic transmission fluid requirement. 2004 to current infinit vehicles.
- 10012879Mar 16, 2005Atf is leaking from a transmission air cooler line. *tt update
Transmission and drivetrain: other model years
Other parts of the 2005 Infiniti QX56
34 complaintsFuel system
25 complaintsElectrical system
7 complaintsAir bags
5 complaintsExterior lighting
5 complaintsSteering
4 complaintsEngine cooling
3 complaintsEngine
2 complaintsEquipment
2 complaintsOther or unknown
2 complaintsSuspension
2 complaintsLatches, locks and linkages
1 complaints
← All problems reported for the 2005 Infiniti QX56
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology