2009 Acura MDX Problems, Recalls & Reliability

76 owner complaints sit in the federal file for the 2009 Acura MDX, alongside 0 recall campaigns and 0 defect investigations. It scores 19/100 on the trouble index — one of this model's quieter years. Electrical leads the reports, typically around 66,200 miles.

One of the quieter years. Relative to its siblings, the 2009 Acura MDX has drawn well-below-average complaint volume with at least four years on the road.

76Complaints
19/100Trouble index
0Recalls
45,000Typical trouble mileage

Better year

Where 2009 sits among all MDX years

Darker = quieter yearsBrighter amber = more trouble

What owners report

Electrical 25 complaints (33%) · typically ~66,200 miles
“I just got this car in September and it is now throwing all kinds of different codes to the point where I can’t drive it sh-awd /check charging station / emission light etc”— owner report to NHTSA, 2009 MDX
Engine 11 complaints (14%) · typically ~45,000 miles
Transmission & drivetrain 8 complaints (11%)
Speed control 5 complaints (7%)
Other 5 complaints (7%)
Wheels & tires 5 complaints (7%)

Mileage when trouble shows up

Among the 55 reports that include an odometer reading, problems most often appear around 45,000 miles. Half of those reports fall between 10,000 and 90,000 miles — a useful range to weigh against the mileage of the exact car you're looking at.

Recalls

No recall campaigns on file for the 2009 Acura MDX.

Technical service bulletins

35 manufacturer communications — service bulletins, the biggest share on suspension and electrical — are on file for the 2009 Acura MDX. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

See the 2009 MDX TSB list →

Complaint history for this model year

When owners filed their reports — a long tail means problems kept surfacing for years.

2009peak 13 in 20152026

Questions buyers ask

Is the 2009 Acura MDX reliable?

The 2009 Acura MDX drew 76 complaints in federal safety records — one of this model's quieter years. Its trouble index is 19/100, scored against the model's worst year (2016).

What are the most common 2009 Acura MDX problems?

The top reported problems for the 2009 Acura MDX are electrical (25 complaints), engine (11), and transmission & drivetrain (8).

At what mileage do 2009 Acura MDX problems show up?

Owners most often report 2009 Acura MDX problems around 45,000 miles. Half of all reports that include an odometer reading fall between 10,000 and 90,000 miles.

Does the 2009 Acura MDX have recalls?

No recall campaigns are on file for the 2009 Acura MDX. Recalls can be issued at any time, so check the VIN before buying.

← 2008 MDX All MDX years 2010 MDX →
Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.