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2016 Acura Mdx Recalls, Issues & Maintenance

The 2016 Acura Mdx carries 7 open NHTSA recalls — most recently covering fuel pump and tail lights. Owners report 5 recurring issue clusters, led by “Connecting rod bearing failure with engine knock.” Acura's Maintenance Minder calculates oil life from real engine conditions and shows service codes instead of fixed mileages — code A or B (oil / oil + inspection) plus sub-codes for items like tire rotation (1), air filters (2), or transmission fluid (3). Follow the codes, not the calendar. One interval you should never stretch: most Acura 3.5L V6 engines (MDX, TL) use a timing belt with a roughly 105,000-mile / 7-year replacement — a snapped belt on this interference engine means bent valves. SH-AWD models add a rear-differential fluid service that's essential for the torque-vectoring unit.

7 Open Recalls

Source: NHTSA

FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP

Campaign #19V060000 · Jan 29, 2019

Issue: Honda (American Honda Motor Co.) is recalling certain 2016-2018 Acura MDX, 2015-2019 Acura TLX and 2015-2017 Honda Accord vehicles, equipped with a 3.5L V6 engine. Particulates in fuel may adhere to the internal components of the fuel pump, reducing its performance.

Risk: Reduced fuel pump performance can result in an engine stall, increasing the risk of crash.

Fix: Honda will notify owners, and dealers will update the fuel injection engine control unit (FI-ECU) software and, if necessary, replace the fuel pump, free of charge. The recall began March 25, 2019. Owners may contact customer service at 1-888-234-2138. Acura's recall number for this recall is P3W. Honda's recall number for this recall is N3X.

EXTERIOR LIGHTING:TAIL LIGHTS

Campaign #19V256000 · Mar 28, 2019

Issue: Honda (American Honda Motor Co.) is recalling certain 2014-2019 Acura MDX and 2017-2019 Acura MDX Sport Hybrid vehicles. Moisture may enter the tailgate lid lights, possibly causing a loss of the tailgate lid lights and the taillights.

Risk: Loss of the taillights reduces the vehicle's visibility, increasing the risk of crash.

Fix: Acura will notify owners, and dealers will modify the tailgate lid lights and install updated gaskets and a wiring sub-harness or will replace both tailgate lid lights. The repairs will be performed free of charge. The recall began May 7, 2019. Owners may contact Acura customer service at 1-888-234-2138. Acura's number for this recall is M49.

FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

Campaign #16V417000 · Sep 6, 2016

Issue: Honda (American Honda Motor Co.) is recalling certain model year 2015 Acura MDX 2WD and MDX 4WD vehicles, 2016 Acura MDX 4WD vehicles, 2015-2016 Honda Odyssey vehicles, and 2016 Honda Pilot 2WD and 4WD vehicles. The affected vehicles have fuel tanks that were manufactured with insufficient welds which may separate and allow fuel to leak out.

Risk: A fuel leak in the presence of an ignition source may result in a fire.

Fix: Honda will notify owners, and dealers will replace the fuel tanks, free of charge. Owners may contact Honda/Acura customer service at 1-888-234-2138. The recall began on July 29, 2016. Honda's numbers for this recall are KA9 (Honda vehicles) and KB0 (Acura vehicles).

ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL

Campaign #23V751000 · Nov 13, 2023

Issue: Honda (American Honda Motor Co.) is recalling certain 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2016 and 2018-2019 Pilot, 2017 and 2019 Ridgeline, and 2018-2019 Odyssey vehicles. Due to a manufacturing error, the connecting rod bearing in the engine may wear and seize, damaging the engine.

Risk: A damaged engine may run improperly or stall while driving, increasing the risk of a fire, crash, or injury.

Fix: Dealers will inspect and repair, or replace the engine as necessary, free of charge. Owner letters were mailed March 28, 2024. 2016-2017 Acura MDX owner letters were mailed November 1, 2024. 2016-2020 Acura MDX owner letters are expected to be mailed in mid-December 2024. Honda began mailing owner notification letters as of March 18, 2024. 2015-2016 Acura owner letters are expected to be mailed mid-December 2024, 2018 Acura TLX owner letters are expected to be mailed the end of March/early April 2024, 2019 Acura TLX owner letters are expected to be mailed mid-May 2024, 2020 Acura TLX owner letters are expected to be mailed mid-June 2024, and 2016-2020 Acura MDX owner letters are expected to be mailed January 27, 2025. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for these recalls are XG1 and GG0.

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Campaign #23V858000 · Dec 18, 2023

Issue: Honda (American Honda Motor Co.) is recalling certain 2013-2023 Honda Accord, Civic Coupe, Civic Sedan, Civic Hatchback, Civic Type R, CR-V, HR-V, Ridgeline, Odyssey, Acura ILX, MDX, MDX Hybrid, RDX, RLX, TLX, 2019-2022 Honda Insight, Passport, 2020 Honda CR-V Hybrid, 2018-2019 Honda Clarity PHEV, Fit, and 2015-2020 Honda Accord Hybrid, Pilot, Acura NSX vehicles. The fuel pump inside the fuel tank may fail.

Risk: Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.

Fix: Dealers will replace the fuel pump module, free of charge. Owner letters were mailed September 6, 2024. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are KGC and KGD. This recall is an expansion of NHTSA recall numbers 21V-215 and 20V-314.

EXTERIOR LIGHTING

Campaign #25V259000 · Apr 17, 2025

Issue: Honda (American Honda Motor Co.) is recalling certain 2014-2020 Acura MDX vehicles. Moisture may enter the tailgate lid light assembly and wiring harness, which can cause the interior and exterior lights to fail, including the lid lights, position lights, license plate lights and taillights.

Risk: Vehicle lights that fail to illuminate can decrease visibility and increase the risk of a crash.

Fix: Dealers will inspect the wiring and install a fuse harness, replace the lid light, and repair the body dust sealer, as necessary, free of charge. Owner notification letters were mailed May 30, 2025. Owners may contact Acura's customer service at 1-800-382-2238. Acura's number for this recall is FLI. Vehicles included in this recall that were previously repaired under NHTSA recall number 19V-256 will need to have the new remedy completed.

STRUCTURE:FRAME AND MEMBERS

Campaign #26V365000 · Apr 6, 2026

Issue: American Honda Motor Company (Honda) is recalling certain 2016-2022 Honda Pilot, 2017-2023 Ridgeline, 2019-2023 Passport, and 2014-2020 Acura MDX vehicles that were sold in Connecticut, Delaware, District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, Virginia, West Virginia, or Wisconsin. The rear subframe may corrode at the suspension mounting points, which can result in rear suspension component failure.

Risk: Failure of rear suspension components, such as the rear control arm, can cause a loss of vehicle handling and control, increasing the risk of a crash or injury.

Fix: Dealers will inspect the rear subframe and install a rear subframe reinforcement kit and, as necessary, repair or replace the rear subframe components, free of charge. Interim letters notifying owners of the safety risk were mailed July 27, 2026. Additional letters will be sent once the final remedy is available, anticipated in the fall of 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's numbers for this recall are AOU and AOT. Vehicle Identification Numbers (VINs) involved in this recall will become searchable on NHTSA.gov beginning June 10, 2026.

Recall data refreshed Sep 6, 2026.

Known issues for this vehicle

What drivers and federal regulators have officially reported about the 2016 Acura Mdx.

2 active NHTSA investigations

Source: NHTSA

  • No Restart After Auto Start/Stop Engages

    Action #EA25004 · opened Mar 26, 2025

    On June 3, 2022, the Office of Defects Investigation (ODI) opened Preliminary Evaluation PE22005 after the agency received VOQs and several field reports concerning the Auto Idle Stop (AIS) feature on 2016-2019MY Honda Pilot vehicles. The complaints allege that the engine fails to r…

    View on NHTSA →

  • Engine failure

    Action #PE25008 · opened Aug 20, 2025

    The Office of Defects Investigation (ODI) has received 414 reports of connecting rod bearing failures in the 3.5L V6 engine used in the following vehicles: Model Years (MY) 2018-2020 Acura TLX, MY2016-2020 Acura MDX, MY2016-2020 Honda Pilot, MY2018-2020 Honda Odyssey, and MY2017-…

    View on NHTSA →

Reported to NHTSA

Connecting rod bearing failure with engine knock

ENGINE

91 NHTSA complaints · 2023-11 → 2026-08

“Catastrophic Engine failure. Engine shook, then loss power. Multiple lights went off. Repair shop found metal shavings in the oil pan. Later diagnosed by specialist with cam/rocker engine issue. Recommended action was engine replacement”
— Owner report, NHTSA ODI #11751144
“Engine began knocking, brass colored shaving in drained oil due to bearing damage. This vin is not covered by the recall scope”
— Owner report, NHTSA ODI #11749666
“Engine blew a rod at 130,000 miles. Replaced engine. Maintained vehicle correctly And changed oil regularly. contacted Acura, but no help. Other vehicles reported similar problems and recalls issued., but not for my particular vehicle”
— Owner report, NHTSA ODI #11628261

Read all complaints on NHTSA →

Roof paint delamination and peeling

STRUCTURE

19 NHTSA complaints · 2022-08 → 2026-04

“The factory‑applied exterior paint on the roof panel of my 2016 Acura MDX has experienced clear‑coat and base‑coat delamination, resulting in complete separation of paint layers and exposure of bare metal. This is not a cosmetic blemish or paint discoloration. The failure”
— Owner report, NHTSA ODI #11730700
“Paint on the roof just suddenly peeled off 2 days ago. There's a Service Bulletin 19-029: [XXX] , but ACURA says the extended warranty is expired and they cannot do anything. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)”
— Owner report, NHTSA ODI #11650322
“Our 2016 MDX starting peeling paint off the roof. Acura said they extended the warranty for this known defect for an 8 year period. Since this problem just happened we are outside the 8 year extension. The internet is full of similar stories of people like us who have the paint”
— Owner report, NHTSA ODI #11629839

Read all complaints on NHTSA →

Transmission loss of drive power or shift to neutral

POWER TRAIN

33 NHTSA complaints · 2022-07 → 2026-05

“Transmission issues with my 2016 Acura MDX slipping into neutral and staying there while driving at high speeds on interstates. This could've caused injury to myself, my passengers, and other drivers on the road due to the high speeds. Without being to able to accelerate when”
— Owner report, NHTSA ODI #11475517
“The contact owns a 2016 Acura MDX. The contact stated that on several occasions while driving at various speeds, the vehicle downshifted inadvertently. The vehicle was towed to a dealer where the failure was not able to be replicated. The contact stated that on one occasion”
— Owner report, NHTSA ODI #11634907
“The contact's wife owns a 2016 Acura MDX. The contact stated while driving 60 MPH and depressing the accelerator pedal, the vehicle failed to respond and lost motive power. A message indicating a transmission failure was displayed. The contact was able to veer to the side of the”
— Owner report, NHTSA ODI #11564610

Read all complaints on NHTSA →

Rear taillight assembly failure

EXTERIOR LIGHTING

7 NHTSA complaints · 2024-09 → 2026-07

“The contact owns a 2016 Acura MDX. The contact stated that while the vehicle was parked and attempting to open the trunk, the contact became aware that the inner driver’s side taillight was inoperable. The contact associated the failure with NHTSA Campaign Number: 19V256000”
— Owner report, NHTSA ODI #11753988
“Rear inner tail light on driver side is not working (34155-TZ5-H03). There is active recall on models between 2014-2019 but when checked my VIN it shows it is not covered. I went through the detail of recall and it can be clearly seen that the damage is same as shown in the”
— Owner report, NHTSA ODI #11633157
“The contact owns a 2016 Acura MDX. The contact stated that the driver's side rear taillight bulb had burned out. The contact replaced the bulb, but the failure reoccurred. The contact stated that the driver's side rear taillight failure was intermittent but was a persistent”
— Owner report, NHTSA ODI #11657737

Read all complaints on NHTSA →

Idle-stop system stall with delayed restart

ENGINE

8 NHTSA complaints · 2023-04 → 2025-10

“I drive a 2016 Acura MDX, with less than 80K mileage. My car has an idle stop feature which was not working and I was having trouble starting my car in the mornings when it was cold. I assumed the battery was getting low, replaced to a new battery and the idle stop began working”
— Owner report, NHTSA ODI #11652442
“The auto engine idle feature activated at a stoplight as normal, but when I lifted my foot from the brake to accelerate, the car shut down, shifted into neutral, and wouldn’t restart. This happenwd 3 times in the last two days , leaving me stalled in heavy traffic for several”
— Owner report, NHTSA ODI #11615829
“Car failed at stops when auto stop is engaged. Vehicle would not restart. This happened at stop lights, stop signs etc. I took in for repair and the starter was replaced. American Honda subsequently issued a notice (not a full recall) for my vehicle for this issue. They offered”
— Owner report, NHTSA ODI #11554177

Read all complaints on NHTSA →

Note: NHTSA also opened 1 defect investigation(s) on this vehicle that closed without action.

Issues on other model years

Source: NHTSA Office of Defects Investigation (ODI). Complaint data refreshed Sep 11, 2026. Investigation data refreshed Sep 11, 2026.

We display NHTSA's record with attribution; we don't editorialize on what these complaints mean for any specific vehicle.

Essential maintenance

Critical for safety and preventing major damage

Oil & Filter (Maintenance Minder A/B)

Every 8,000 mi

Change when the Maintenance Minder reaches 15% oil life or shows code A/B — typically every 7,500-10,000 miles with 0W-20 synthetic. Short-trip city driving triggers the code sooner; that's the algorithm doing its job.

Estimated cost — typical U.S. ranges

Dealer

~$120–$160

Shop

~$85–$115

DIY

~$25–$55

Full synthetic costs more than conventional. 5-quart 0W-20 + filter is the typical bill.

Timing Belt (3.5L V6 — MDX, TL)

Every 105,000 mi

J-series V6: replace the timing belt around 105,000 miles or 7 years (Maintenance Minder sub-code 4). It's an interference engine — a failed belt destroys valves. Replace the water pump and tensioner in the same job. (2022+ MDX 3.5L remains belt-driven; the Integra's turbo four is chain-driven.)

Estimated cost — typical U.S. ranges

Dealer

~$935–$1175

Shop

~$655–$825

DIY

Pro only

On interference engines, a snapped belt destroys valves. Worth doing on schedule. Bundle water pump + tensioner — labor is already there.

Tire Rotation (Sub-code 1)

Every 7,500 mi

Rotate when sub-code 1 appears — roughly every 7,500 miles. SH-AWD models: keep tread depths matched across all four corners.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Often free at the shop where you bought the tires — worth asking before paying.

Brake Inspection

Every 10,000 mi

Inspect pads, rotors, and fluid level with every A/B service. Type S models with Brembo front calipers: pads wear faster and cost more — budget ahead.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Most shops do this free as a courtesy with any service. Don't pay separately if you can avoid it.

Brake Fluid

Every 30,000 mi

Replace every 3 years regardless of mileage — Honda/Acura schedules this on time because the fluid absorbs moisture.

Estimated cost — typical U.S. ranges

Dealer

~$180–$200

Shop

~$125–$140

DIY

~$10–$25

DOT 3 or 4 — match the cap. Vacuum bleeders make this a one-person DIY.

Important maintenance

Keeps your vehicle running smoothly and efficiently

Transmission Fluid (Sub-code 3)

Every 30,000 mi

Replace ATF when sub-code 3 appears — commonly every 30,000-60,000 miles depending on duty. Use Honda/Acura ATF only (DW-1, or the 10-speed's specified fluid); aftermarket 'universal' ATF causes shudder in these gearboxes.

Estimated cost — typical U.S. ranges

Dealer

~$330–$500

Shop

~$235–$355

DIY

~$60–$180

Some sealed transmissions have no dipstick — fill is precise and best left to a shop. Many drivers can still DIY drain-and-fill.

SH-AWD Rear Differential Fluid

Every 30,000 mi

SH-AWD (MDX, TLX, RDX): replace the rear differential fluid roughly every 30,000 miles (sub-code 6) — the torque-vectoring clutch packs run in this fluid, and whining or binding in tight turns is the classic overdue symptom.

Estimated cost — typical U.S. ranges

Dealer

~$150–$195

Shop

~$105–$135

DIY

~$20–$50

Spark Plugs (Sub-code 4)

Every 100,000 mi

Iridium plugs around 100,000 miles on most models. Turbocharged Integra/ADX engines: check the manual — forced induction typically shortens the interval.

Estimated cost — typical U.S. ranges

Dealer

~$285–$390

Shop

~$200–$275

DIY

~$25–$100

Iridium plugs cost more but last 100k+ miles. V6/V8 access varies wildly — some are tough.

Engine Air Filter (Sub-code 2)

Every 30,000 mi

Replace with sub-code 2, roughly every 30,000 miles — sooner in dusty conditions.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

5-minute job on most cars; the airbox lid usually has clips, no tools needed.

Recommended maintenance

Extends the life of your vehicle and improves comfort

Cabin Air Filter (Sub-code 2)

Every 30,000 mi

Replace with sub-code 2 alongside the engine air filter. Behind the glovebox — an easy DIY on most Acuras.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

Usually behind the glovebox. Shops charge labor for a 10-minute job — easy DIY win.

Coolant Replacement (Sub-code 5)

Every 100,000 mi

Honda/Acura Type 2 coolant: first change around 10 years / 100,000 miles, then every 5 years / 50,000. Use the blue Type 2 coolant only.

Estimated cost — typical U.S. ranges

Dealer

~$285–$330

Shop

~$200–$235

DIY

~$25–$60

Use the manufacturer-specified coolant — wrong color/chemistry can damage the cooling system.

Fatal crash history & reported problems

Occupant deaths in fatal crashes (FARS)

13 crashes 2010–2024

FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road. How to read this number

Owner-reported problem signals

Separate from the federal fatality data above: complaints owners filed with NHTSA about this year and model. These are reports of problems, unverified, and are counted here only as signals.

10

complaints mentioning a crash

5

complaints mentioning a fire

Reviewed known issues for this vehicle·Open recalls for this vehicle

Typical U.S. ranges. Actual quotes vary by shop, parts choice, and vehicle condition.

How we estimate: Dealer = OEM parts × 1.4 + labor × $165/hr. Shop = parts + labor × $115/hr. DIY = parts only.

This maintenance schedule for the 2016 Acura Mdx reflects Acura's published service intervals and the Maintenance Minder system. Your actual service needs may vary based on driving conditions, climate, and vehicle usage. Always consult your owner's manual for model-specific recommendations.

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