HONDA: A POWERTRAIN WARRANTY EXTENSION RESULTING FROM SETTLEMENT, COVERING REPAIRS OF ENGINE MISFIRE, REGARDING PISTON RINGS ON CERTAIN CYLINDERS THAT ROTATE AND ALIGN, CAN LEAD TO SPARK PLUGS FOULING, ON SOME VEHICLES. MODEL 2008-2012 ACCORD.
full bulletin at NHTSA ↗2011 Honda Accord powertrain problems
severe Owners of the 2011 Honda Accord have filed 17 NHTSA complaints about the powertrain, typically surfacing around 13,582 miles at roughly $2,500 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See powertrain across all vehicles →
Failure mileage
Complaints
17
Recalls
0
Avg fix
$2,500
| Model year | powertrain complaints |
|---|---|
| 2007 Accord | 45 |
| 2008 Accord | 63 |
| 2009 Accord | 28 |
| 2010 Accord | 38 |
| 2011 Accord (this page) | 17 |
| 2012 Accord | 26 |
| 2013 Accord | 100 |
| 2014 Accord | 58 |
| 2015 Accord | 36 |
1crash
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain 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.
The failure pattern owners describe
The 2011 Accord's powertrain shows a pattern of serious defects. Owners report loud grinding noise at cold start tied to faulty VTC actuators; Honda issued a technical service bulletin but refuses to cover replacement costs despite knowing the issue affects 2008–2012 model years.
Transmission and acceleration problems dominate complaints. Multiple owners describe unpredictable hesitation (2–5 seconds) when accelerating from stops or turns—one nearly caused a collision. Dealers consistently cannot duplicate these issues despite no diagnostic codes, leaving them unrepaired. One owner experienced unintended acceleration while braking during a left turn, crashing into an embankment; Honda found no codes and the factory test drive reproduced nothing.
Drive shaft failures are documented: one snapped during a left turn, another broke stranding the vehicle on a freeway off-ramp. Owners found 292+ related complaints but Honda issued only selective recalls on limited VIN numbers. CV axle isolators are cracking and corroding from salt and moisture entrapment—owners note similar recalls on other model years.
Manual transmission clutch broke at 11,500 miles; Honda denied warranty claiming misuse. Automatic transmissions slip, seals leak, and downshifts are rough. One owner reports idle creep at 10 MPH without accelerator input, problematic in reverse. The inconsistent behavior—occurring randomly, unreproducible at dealerships, yet dangerous during actual driving—leaves owners stuck with unfixed safety defects.
Same Honda Accord powertrain reports on nearby years: 2008 · 2009 · 2010 · 2012 · 2013
Failure modes owners describe
Cold-start grinding noise from VTC actuator
Loud grinding sound when engine is started in cold conditions. Related to faulty variable timing control actuator. Honda issued TSB for this issue affecting 2008–2012 Accords. Complaint indicates concern about potential catastrophic engine failure and Honda's lack of response to safety inquiry.
When: Cold start, everyday occurrence
Symptoms owners cite: loud grinding noise at startup; cold-start condition
Repairs/costs cited: Honda issued TSB but some owners report Honda requiring owners to pay for replacement parts despite Honda's apparent knowledge of the defect.
Recalls/TSBs owners mention: Honda TSB SB-10087883-2280 issued; no recall issued as of complaint date; Honda did not respond to owner inquiries about safety.
Unintended acceleration with brake applied
Car accelerated despite brake pedal being firmly pressed. Occurred while completing a left-hand turn. Owner hit embankment/tree. Honda diagnostic found no error codes; factory engineer test drive of 5–6 miles reproduced no issue. Owner notes 18+ complaints of acceleration problems on 2011 Accord in database.
When: During left-hand turn, no mileage specified
Symptoms owners cite: vehicle accelerated despite brake pressure; crash/collision
Recalls/TSBs owners mention: Honda performed diagnostic test, found no codes, conducted test drive without reproducing issue; vehicle not repaired.
Drive shaft breakage
Left or right front drive shaft broke, stranding vehicle on freeway off-ramp. Owner found 292+ NHTSA complaints regarding this failure. Honda has issued selective recalls on limited VIN numbers but did not cover this vehicle despite the widespread complaint pattern.
When: No mileage specified
Symptoms owners cite: vehicle stranded; drive shaft breakage
Recalls/TSBs owners mention: Honda issued selective recalls on limited VIN numbers; vehicle not covered by recall.
Transmission hesitation and loss of acceleration response
Engine hesitates 2–5 seconds when braking to stop or accelerating from low speeds, then returns to normal idle. Occurs randomly about 2% of the time. No warning lights or error codes. Dealer unable to duplicate issue. Owner nearly hit by another vehicle during left turn when hesitation occurred.
When: Under 1,500 miles, hot or cold conditions
Symptoms owners cite: engine hesitation 2–5 seconds; acceleration delay; near-collision due to hesitation; remains in idle mode
Recalls/TSBs owners mention: Dealer unable to duplicate; no repair performed.
Rough deceleration and unexpected RPM increase
Car does not decelerate smoothly; gives rough braking and acceleration action with 100–200 RPM increase through 20 MPH and again through 15 MPH. Occurs constantly daily after 10 minutes warm-up. Check engine light does not activate. Dealer states no fault present without warning light.
When: Starting at 500 miles on odometer, after 10 minutes warm-up and 45 MPH speed
Symptoms owners cite: rough deceleration; rough acceleration; jerky riding feeling; unexpected RPM increase
Recalls/TSBs owners mention: Dealer states no problem since check engine light is not illuminated.
Manual transmission clutch failure
Manual transmission clutch broke on brand-new 8-month-old vehicle with 11,500 miles. Owner has extensive manual transmission driving history without prior issues. Honda claimed misuse and refused coverage under new car warranty. Vehicle became immobilized in traffic and required towing.
When: 11,500 miles, 8 months old
Symptoms owners cite: transmission failed to engage; vehicle immobilized in traffic
Repairs/costs cited: Required towing; not repaired under warranty due to Honda's misuse claim.
Recalls/TSBs owners mention: Honda denied warranty claim citing misuse; no repair covered.
CV axle rubber isolator deterioration and corrosion
Rubber vibration isolators in center of both passenger and driver side CV axles are cracking and showing rust heave underneath. Attachment method has deteriorated; rubber damper traps moisture and salt that seep underneath, causing significant corrosion and weakening the steel axle. Owner reports recalls on other model-year Accords for the same issue. No breakage has occurred yet but potential safety hazard.
When: No specific mileage provided
Symptoms owners cite: cracked rubber isolators; rust heave; axle corrosion; weakened axle structure
Recalls/TSBs owners mention: Recalls issued on other model-year Accords for same issue; none found on this vehicle.
Stiff gear shifter with grinding noise
Gear shifter becomes very stiff when attempting to shift from park to reverse and from drive to park. Loud grinding noise occurs during shifting. Failure occurred at very low mileage. Dealer unable to diagnose.
When: 120 miles
Symptoms owners cite: stiff gear shifter; loud grinding noise during shifting
Recalls/TSBs owners mention: Dealer unable to diagnose; vehicle not repaired.
Cold-weather fuel-related hesitation
While driving in cold weather and adding fuel, vehicle hesitates for a few seconds then functions normally. Dealer visited twice and unable to duplicate failure. Manufacturer contacted and requested vehicle inspection but no repair was performed.
When: 3,900 miles, cold weather conditions
Symptoms owners cite: hesitation when refueling in cold weather; delay resolves after few seconds
Recalls/TSBs owners mention: Dealer unable to duplicate; manufacturer requested inspection but no repair performed.
Slow-speed acceleration hesitation with surge
At very slow speeds, 2–3 second hesitation occurs upon depressing accelerator. Driver tendency to press accelerator further results in sudden power return and car lurches forward. Dealer states electronic linkage is working as expected. Owner considers behavior dangerous and has not experienced it in other Honda vehicles.
When: No specific mileage provided
Symptoms owners cite: 2–3 second acceleration hesitation at slow speeds; sudden surge and lurch forward when accelerator pressed further
Recalls/TSBs owners mention: Dealer states electronic linkage is functioning as designed.
Transmission seal leak and slipping
While driving at approximately 45 MPH, transmission began to slip. Dealer diagnosed seal around transmission as cause of leak. Vehicle was not repaired. Manufacturer was not made aware of failure.
When: 45,000 miles
Symptoms owners cite: transmission slipping at 45 MPH; transmission fluid leak
Idle creep at low speeds
Vehicle rolls forward at 10 MPH speeds without foot on accelerator. Problematic during reverse maneuvers such as backing out of garage. Owner reports this behavior is consistently reproducible.
When: No specific mileage provided
Symptoms owners cite: vehicle creeps forward at 10 MPH without accelerator input; occurs in reverse
Acceleration hesitation and pausing from stops and turns
Vehicle hesitates or pauses when accelerating from a stop or through a rolling stop. Occurs frequently when accelerating forward or making left/right turns. No warning lights activate. Problem can occur within minutes or hours of driving.
When: No specific mileage provided
Symptoms owners cite: hesitation from stop; acceleration pause; occurs during turns
Engine shudder and power loss during gear changes
Engine shudders and loses power when there is a change in gears. Owner research and mechanic consultation suggest torque converter issue, similar to Honda Odyssey problems that Honda resolved with software fix.
When: No specific mileage provided
Symptoms owners cite: engine shudder during gear change; power loss during gear change
Rough transmission downshift 2nd to 1st gear
Automatic transmission exhibits rough shift when downshifting from 2nd to 1st gear only.
When: No specific mileage provided
Symptoms owners cite: rough downshift from 2nd to 1st gear
Drive shaft axle breakage during turning
Drive shaft axle snapped when driver made a left turn while driving. Sudden structural failure during normal driving maneuver.
When: No specific mileage provided
Symptoms owners cite: axle snapped during left turn; sudden structural failure
Synthesized from 17 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 0 most recent
Had powertrain trouble with your 2011 Honda Accord?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the powertrain problem on the 2011 Honda Accord?
It's a meaningful issue. 17 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $2,500.
At what mileage does the powertrain typically fail?
Across the 9 complaints that reported odometer mileage, most powertrain failures cluster between 3,900 and 45,000 miles, with the median around 13,582. A quarter of owners report trouble before 3,900; a quarter make it past 45,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain 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 powertrain?
No active recalls currently cover powertrain 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.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2011/Honda/Accord.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.