ACURA: A MALFUNCTION IN BRAKE LIGHT RELAY CIRCUIT CAUSES ACC/CMBS INDICATOR TO COME ON, DUE TO MISINTERPRETING CONTROL UNIT, FROM BRAKE PEDAL SWITCH POSITION. MODEL 2010-2013 MDX.
full bulletin at NHTSA ↗2013 Acura MDX lighting problems
moderate 3 complaints filed with NHTSA · avg repair $250 · see lighting across all vehicles →
When does it fail?
Of the 3 lighting complaints filed for the 2013 Acura MDX, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
No new NHTSA lighting complaint has been filed on this vehicle in over 7 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering lighting on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 3 most recent
Backup camera has extremely poor performance in low light or night time settings if there is no other ambient light like street lights. Reverse lights are not sufficient to be able to see obstacles or dangers in the backup monitor. Body panels produce a blind spot requiring the backup camera to see behind you. The backup camera has shifted angle slightly causing the markings intended to allow…
Emergency flashers were stuck in the on position. We had pulled over briefly on the freeway and turned on the hazard flashers. Shortly thereafter we wanted to resume driving but the flashers would not turn off for a couple minutes, so we did not want to drive. The switch did not respond, during a couple minutes of pressing the switch. Unknown why the switch became stuck or how it became…
The car is giving external right head light issue. The light turns off suddenly at night which we need to turn on again after 2 minutes. This happens frequently and we have to turn on the lights very often. The dealer examined the issue and he expressed regret in repairing the vehicle and estimated price of $2.500.The Service Manager though stated that the issue is same as it pertains to the rear…
Common questions
How serious is the lighting problem on the 2013 Acura MDX?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $250 and most owners catch it before it causes a breakdown.
At what mileage does the lighting typically fail?
Based on the 3 complaints filed, lighting issues most often appear around 64,760 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $250 for lighting repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to lighting?
No active recalls currently cover lighting issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.