The 2015 Odyssey with the 3.5L V6 is generally solid, but suffers from a notorious transmission problem and a serious engine defect that can grenade motors if ignored. These two issues define ownership risk.
VCM (Variable Cylinder Management) System Causing Premature Engine Wear
Common · high severity
Typical onset: 80,000-150,000 mi
Symptoms: Excessive oil consumption (1qt per 1,000 mi or worse), Misfires on cylinders 1, 2, or 3 (the ones that deactivate), Fouled spark plugs on one bank, Check engine light with P0300-series misfire codes, Cold start knock or rattle that goes away when warm
Fix: VCM causes piston ring wear and carbon buildup on the deactivating cylinders. Minor cases: VCM disable device ($300-500 installed) stops further damage. Advanced cases: complete engine rebuild or replacement with all new rings, honing, valve work. Rebuild is 25-35 hours labor. Many owners bypass VCM preemptively after purchase.
Estimated cost: $4,500-7,500
Transmission Judder and Torque Converter Shudder
Common · medium severity
Typical onset: 60,000-100,000 mi
Symptoms: Vibration or shudder during light acceleration at 20-50 mph, Feels like driving over rumble strips when cruising, Hesitation or delayed engagement from stop, Worse when transmission is warm
Fix: Honda's 6-speed automatic develops torque converter lockup shudder. Start with fluid drain-and-fill with genuine Honda DW-1 ATF (3x services, 10 days apart, 1.5 hours total). If that doesn't fix it, torque converter replacement is 8-10 hours. Some cases need full transmission replacement if clutch packs are damaged.
Estimated cost: $400-4,200
Fuel Injector Failure
Occasional · medium severity
Typical onset: 100,000-140,000 mi
Symptoms: Rough idle, especially when cold, Misfires on specific cylinders that don't clear with plug/coil replacement, Poor fuel economy (3-5 mpg drop), Strong fuel smell from exhaust
Fix: Direct injection system runs high pressure and injectors clog or fail electrically. Diagnosis requires leak-down test and injector flow testing. Replacement is 3-4 hours for all six if doing them together. Honda recommends replacing all at once due to age. Intake manifold removal required.
Estimated cost: $1,200-1,800
Front Engine Mount (Transmission Mount) Failure
Common · low severity
Typical onset: 70,000-110,000 mi
Symptoms: Clunk or thud when shifting into Drive or Reverse, Vibration at idle that goes away under load, Engine rocks excessively when revving in Park, Visible separation or fluid leak from mount
Fix: The hydraulic front mount supporting the transverse V6 breaks down from heat. Visual inspection from underneath confirms. Replacement is 2-3 hours with engine support. OEM Honda part strongly recommended—aftermarket mounts fail in 20k-30k miles.
Estimated cost: $350-550
Power Sliding Door Motor/Cable Failure
Occasional · low severity
Typical onset: 80,000-130,000 mi
Symptoms: Door opens but won't close, or closes but won't latch, Grinding or clicking noise during operation, Door stops mid-cycle and error beeps sound, Manual operation still works but power function dead
Fix: The cable-driven power door system wears out, usually the motor or cable tensioner. Diagnosis requires removing interior door panel and testing motor function. Motor replacement is 2.5-3.5 hours per door. Cable replacement adds another hour. Door computer module failures are rarer but happen.
Estimated cost: $600-1,200
Starter Motor Failure
Occasional · medium severity
Typical onset: 90,000-140,000 mi
Symptoms: Single click when turning key, no crank, Intermittent no-start that works after sitting 10-20 minutes, Grinding noise during cranking, Hot-start failures more common than cold
Fix: Original Denso starters develop worn bushings or bad solenoid contacts. Located under intake manifold on V6, requires partial intake removal. 3-4 hours labor. Testing is straightforward—voltage drop test and tap test confirm. Remanufactured starters are hit-or-miss; OEM or quality reman only.
Estimated cost: $650-950
Owner tips
Disable VCM immediately after purchase with a device like VCMuzzler to prevent engine damage—$300 now vs. $6,000 later
Use only genuine Honda DW-1 ATF for transmission services; other fluids cause shudder
Change transmission fluid every 30k miles if towing or driving in hilly terrain
Check engine oil level every 500-1,000 miles; oil consumption is an early VCM warning sign
Replace front engine mount at first sign of clunking—failed mounts accelerate transmission wear
Buy only if VCM is already disabled or you budget $500 immediately to prevent catastrophic engine damage; otherwise it's a $7,000 repair waiting to happen around 100k miles.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
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Rollx Vans (Rollx) is recalling certain GMC Yukon, Sierra, Chevrolet Express 2500, Ford Transit, E-250, Toyota Sienna, Sienna Hybrid, Honda Odyssey, Chrysler Town and Country, Voyager, Pacifica, Dodge Grand Caravan, and Ram Promaster vehicles equipped with QRT-Deluxe and QRT-Max wheelchair restraints. Please refer to Rollx's recall report for specific model year information. The retractors may not lock, preventing the wheelchair from being properly secured.
Consequence: An unsecured wheelchair can move during transit, increasing the risk of injury.
Remedy: Rollx will work with Q'Straint to inspect and replace the retractors as necessary, free of charge. Owner notification letters were mailed February 5, 2026. Owners may contact Rollx's customer service at 1-800-956-6668.
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.
Consequence: Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
Remedy: 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.
SEATS:MID/REAR ASSEMBLY · 18V170000
2018-03-13
Honda (American Honda Motor Co.) is recalling certain 2014-2016 Honda Odyssey vehicles. The second row outboard seats have a lever to fold the seatback and slide the seat forward to access the third row seats. Due to a manufacturing error, if the walk-in release lever is used to fold a fully reclined left outboard seatback forward, the seatback may stay in the unlocked position (free-folding) or unexpectedly unlock without engaging the walk-in or recliner lever.
Consequence: An unlocked second row left outboard seatback increases the risk of injury to the seat occupant during a crash.
Remedy: Honda will notify owners, and dealers will confirm proper operation of the second row left outboard seatback, and install a support bracket to the seat recliner. If the seatback cannot lock, dealers will replace the seatback frame assembly. These repairs will be performed free of charge. The recall began May 7, 2018. Owners may contact Honda customer service at 1-888-234-2138. Honda's number for this recall is X0R.
SEATS:MID/REAR ASSEMBLY · 17V725000
2017-11-17
Honda (American Honda Motor Co.) is recalling certain 2011-2017 Honda Odyssey vehicles. The second row outboard seats can slide sideways to one of two positions. If a seat is placed between either of the two positions when attaching the seat to the vehicle floor, the seat will not latch properly to the seat striker, allowing the seat to tip forward unexpectedly during braking.
Consequence: If the seat tips forward during braking, it can increase the risk of injury.
Remedy: Honda will notify owners, and dealers will install a bracket to the second row outboard floor strikers, free of charge. The recall began April 2, 2018. Owners may contact American Honda Customer Support & Campaign Center at 1-888-234-2138. Honda's number for this recall is S0G.
SEATS:MID/REAR ASSEMBLY · 16V933000
2016-12-27
Honda (American Honda Motor Co.) is recalling certain model year 2011-2016 Odyssey vehicles manufactured August 17, 2010, to October 1, 2015. The affected vehicles have second row outboard seats that have a release lever that allows the seats to move for easier access to the third row of seats. This release lever may remain in the unlocked position allowing the seats to move unexpectedly.
Consequence: An unlocked second row outboard seat increases the risk of injury to the seat occupant during a crash.
Remedy: Honda will notify owners, and dealers will install an additional bracket and spring to both second row outboard seats, free of charge. Interim letter has been mailed, and a second notification will be sent . Owners may contact Honda customer service at 1-888-234-2138. Honda's number for this recall is KD5.
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.
Consequence: A fuel leak in the presence of an ignition source may result in a fire.
Remedy: 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).
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