I HAVE ACCURA MDX 2009.UNABLE TO OPEN CAR DOOR USING MY KEY.COULD NOT OPEN TRUNK.BOTH SIDES LIGHT SIGNALS DO NOT WORK.CALLED AAA SERVICE TO OPEN DOOR.VEHICLE WAS STATIONARY
2009 acura MDX electrical problems
moderate 14 complaints filed with NHTSA · avg repair $850
What owners are reporting 6 most recent
APPROXIMATELY 3 MONTHS AGO I WENT TO START THE MEDIC AND IT WOULD NOT START. NO LIGHTS OR ANY OTHER ACCESSORIES WERE LEFT ON. THE CAR WAS JUMPED AND STARTED. BEING THE CAR WAS 4 YEARS OLD AND I HAD REVIEWS OF BATTERY PROBLEMS IN THE MEDIC, I HAD THE BATTERY REPLACED. ABOUT TWO WEEKS LATER IT WOULD NOT START AGAIN. IT WAS JUMPED AGAIN AND TAKEN TO AN AUTO REPAIR SHOP TO BE TESTED. THE REPAIR …
ACURA MDX 2009 HAPPENED TWO TIMES WITHIN 3 WEEKS. WHILE DRIVING CAR LOST ALL ELECTRIC, ENTIRE DASHBOARD WENT DEAD, NO HEADLIGHTS, NO DOOR/TRUNK LOCKS, NO NAVIGATION, NO DVD, NO RADIO, CAR STALLED AND COULDN'T BE STARTED AGAIN. HAD TO BE TOWED. SECOND TIME SAME THING HAPPENED WHILE APPROACHING AN INTERSECTION AND TRYING TO MAKE A LEFT TURN. CAR WAS TOWED AGAIN. *TR
MY MDX HAS ONLY 62,400 MILES AND TODAY I GOT A MESSAGE "CHECK STARTER SYSTEM" DUE TO THE HFL MODULE IS DRAINING THE BATTERY. LUCKILY THE CAR WAS IN MY GARAGE AT THE TIME. I HAD TO CHARGE THE BATTERY SO I COULD START THE CAR. ALL THE INFO I HAVE READ ONLINE STATES THE THE HFL MODULE GETS REAL HOT AND CAN CAUSE FIRE. MY GARAGE IS UNDER MY BEDROOM. THIS IS A PART MADE BY JOHNSON CONTROLS, ACURA NEED…
THE BLUETOOTH MODULE DRAINS THE BATTERY WHEN THE VEHICLE IS TURNED OFF AND I AM AFRAID THAT MY VEHICLE COULD BE TURNED OFF BY DRAINING THE BATTERY WHEN RUNNING CAUSING A SAFETY ISSUE. I HAVE REGISTERED THE CASE WITH ACURA CUSTOMER SERVER AND HAVE NOT HELPED ME WITH THE FREE REPLACEMENT. THE ACURA CASE NUMBER IS [XXX] 2009 ACURA MDX AWD VIN: 2HNYD28679H[XXX] [XXX] INFORMATION REDACTED PU…
The battery has been drained on three separate occasions this year (2021). I replaced the battery after the first occurrence. Each time I have had to use a battery jump to restart the vehicle which sufficed to get it operating and return home. On the last occasion, the car started to display dash board warning messages before arriving at home after driving only 15 miles. This came with a fully…
Common questions
How serious is the electrical problem on the 2009 acura MDX?
It's a documented issue but not catastrophic. 14 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $850 for electrical 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 electrical?
No active recalls currently cover electrical 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.