2018 Honda Odyssey: check engine light

Filed Nov 2, 2026 · Engine · IN

I was driving and my check engine. Light came on, the car was slow to accelerate. I pulled over and I had it towed to a honda dealership, the closest one. They diagnosed it with needing a transmission replacement and replaced a transmission. Then, after the transmission was replaced, suddenly there was a knock in the engine. The dealership sent me a video with them. Revving, the engine very strongly, and I couldn't really discern any knocking noise, but the engine revving was excessive. Then, I asked for an additional video to try and hear what they were hearing. They sent me another video where there was a clear knock. This did not get disclosed to me at all, because they said it was hard to get it into, because it wasn't really accelerating, they couldn't barely get it into the bay after the cart was towed to the facility. If the cart was making a knocking noise at that moment, it should have been noted initially, but it was not noted until after the transmission was replaced. I never had a knocking sound prior to having my car. Delivered to this dealership.

Filed Sep 1, 2026 · Transmission · TX

The vehicle would not accelerate over 40MPH, we took the vehicle into the dealership for what we thought was a failed fuel injector, upon inspection they found metal shavings in the oil and mentioned the engine is not repairable and would need a whole new replacement. We had this vehicle 9 months. Upon investigation there was a known recall that is identical to the issues we are experiencing. The whole engine is failed and we cannot utilize it. It was inspected by the dealership. The check engine light is illuminating, and does not increase in speed. My family and I were unable to drive at a reasonable speed on the highway once it failed.

Filed Jul 17, 2026 · Electrical, Fuel system · VA

I am reporting American Honda’s ongoing failure to safely remedy critical safety defects and recalls on my 2018 Honda Odyssey (purchased new), resulting in severe vehicle degradation and a life-threatening traffic hazard. The vehicle has been to an authorized dealer over 21 times.SAFETY RECALL NEGLIGENCE & POWERTAIN DAMAGE: At 95k miles, the vehicle displayed active check engine codes P0087 (Low Fuel Pressure), P0420, and P0430. The dealer replaced injectors, but severe fuel issues persisted. The dealer utilized stall tactics, claiming they "could not duplicate" ongoing stalling/hesitation symptoms. When the official fuel pump recall was issued, the bulletin mandated priority service for vehicles actively displaying symptoms. My vehicle met these parameters. However, when I attempted to get the recall performed at 111k and 120k miles, the dealer denied service due to part shortages, instructing me to drive the vehicle until it "completely broke down." Because Honda failed to supply recall parts to a symptomatic vehicle, I was forced to drive it a defective car for an additional 46,000 miles. A replacement pump was installed at 166k miles, but the prolonged forced operation directly caused the high pressure pump to fail and raw fuel to melt both catalytic converters. The dealer issued a $6,000 repair estimate for damage engineered entirely by Honda's recall delays.LIFE-THREATENING TCM FAILURE: One day after a related service visit, the Transmission Control Module suffered a catastrophic electrical failure. The engine completely shut off without warning while I was actively facing four lanes of oncoming traffic, creating an immediate, severe collision risk.BROKEN SLIDING DOORS: The power sliding doors failed under 12 months of ownership. Despite 7+ repair attempts, they remain broken, posing a severe structural/occupant safety hazard. Requests for trade-in intervention since 60k miles were systematically ignored.

Filed Jun 1, 2026 · Transmission · 80,000 miles · VA

The contact owns a 2018 Honda Odyssey. The contact stated that while driving at various speeds, the vehicle would hesitate upon depression of the accelerator pedal as the check engine and several other various warning messages appear on the instrument panel. The vehicle was taken to a dealer for service; however, the dealer was unable to diagnose or duplicate the failure. The contact then stated that while driving at 70 MPH, the vehicle suddenly downshifted and failed to shift out of neutral(N). The contact pulled over and attempted to correct the failure; however, the vehicle shut off. Due to the failure, the vehicle was towed to the dealer where the diagnosed the vehicle with a failed torque converter and transmission. The manufacturer was notified of the failure and was given a case number. The vehicle remained in the dealer's possession and was not repaired. The failure mileage was approximately 80,000.

Filed May 13, 2026 · Engine · TX

While driving down an interstate going approximately 70 mph, the engine, all of a sudden started losing power and showing a check engine light. I immediately pulled over to a safe location. Check the oil which appeared okay and called a tow truck. Bring my vehicle to a local shop. The shop did some inspections and found that there was some failures on the connecting rods. Nothing else has been done at this point

Filed Apr 16, 2026 · Engine · TX

Noise coming from engine. No engine light nor warnings otherwise. Van was taken to dealership where it was confirmed that a rod bearing inside the engine assembly is faulty, which could cause sudden stalling of the vehicle, even while traveling at high speeds on the highway. This is a known issue (Honda Service Bulletin 24-003) with this model van manufactured at the same time, for which a national recall notice was issued. However, my vehicle’s vin was not included in the recall.

Filed Mar 16, 2026 · Engine · FL

While driving on the highway, the engine light came on and off. Pulling over, I inspected the engine compartment and heard what I believe was cylinder knocking, but could not obtain an engine code with an OBD code reader. Oil was of sufficient level as it had just been replaced within 1,000. After this I attempted to drive it to the dealership, where on going 45 MPH, I pulled to the right lane for emergency police vehicles and when the vehicle was stopped, the engine stopped and seized up. After not being able to start the vehicle, I could not find the neutral safety switch to put the transmission in neutral to move the vehicle from the flow of traffic (turns out the switch is not readily accessible and is on the side of the transmission underneath the air intake and battery compartment. Police officers pulled behind the vehicle and assisted me in getting a tow truck to take the vehicle to the dealership for inspection. At Coggin Honda in Jacksonville, the vehicle was inspected and the engine would not turn over manually by the crankshaft. The engine was deemed to have catastrophic failure and would need to be replaced at 126,000 miles. This vehicle is a 2018 which is on TSB 24-003, however is not listed on the applicable VINs. This TSB is for connecting bearing rod failure which would lock this vehicle’s engine the way the dealership found it. I believe this to be the issue as several Honda engines have had this failure. The vehicle was maintained per Honda’s maintenance programs and even had an extended warranty of up to 100,000 miles which when the TSB the vehicle was underneath that mileage and would have been covered by Honda if they had released the full list of VINs for that year to be inspected instead of a sub list of VINs of the production. Honda needs to be investigated to see if that TSB needs to be expanded since 2023-2024 timeframe other users have had a similar failure and seized engines.

Filed Feb 25, 2026 · Engine · IL

Before my vehicle reached the 100,000-mile mark, the check engine light began appearing intermittently. I brought the car to my local dealership multiple times, but they were unable to provide a diagnosis and repeatedly reset the light. Once the light remained on permanently, the dealer finally identified a known Honda recall/extended warranty issue and replaced the spark plugs at no cost. However, approximately six months after that repair, the check engine light returned. The dealership has now diagnosed a failure in both the front and rear catalytic converters at a cost of $5200 to replace them. I need to replace to pass my state of Illinois car emissions tests. I have been working with Honda Goodwill Assistance (Case #161-655-70), but their offer to cover only 20% of the replacement cost is unacceptable. This failure is not a standard "wear and tear" issue; it is a direct consequence of the spark plug issues I repeatedly attempted to address before my warranty expired. I was told the 20% determination was based on my vehicle exceeding 100,000 miles, but this fails to account for the fact that I brought the car in for this specific issue multiple times while it was still under warranty. I am looking for Honda corporate to acknoweldge the new spark plugs they directed my dealer to install caused this issue and cover the cost of the repairs. My local Honda dealer service manager, Brian, is willing to speak on this issue on my behalf. He can be reached at [XXX] . INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Feb 5, 2026 · Engine · IN

The vehicle started running rough and the check engine light with other error lights were coming on the dashboard display. 1. Engine Failure due to connecting rod/bearings 2. Vehicle ran rough and struggled to start 3. Problem was reproduced and confirmed by dealer (as seen in attached invoice) 4. Vehicle has been inspected 5. No warning lamps or messages prior to incident Sortly after I replaced my engine (per dealer recommendation) Honda released a recall (the federal safety agency Recall No. : 23V‑751) but said that my vehicle was not covered under -- even though it appeared to have the exact same issue as my vehicle... they said that the recall was only for a smaller set for engines produced as a specific manufacturing plant... and I believe that it is likely more wide spread.

Filed Jan 27, 2026 · Transmission · CA

2018 Honda Odyssey (10-speed automatic transmission) What happened: The vehicle is experiencing intermittent loss of reverse and delayed gear engagement from a stop. When shifting into reverse or drive, the engine revs but the vehicle does not immediately move, then jerks into gear. The issue is worse when cold. Warning lights / codes: Check Engine Light on. Honda dealer retrieved diagnostic trouble code P0763 – Shift Solenoid C Electrical. The code returned as a hard code after being cleared. Safety risk: The vehicle hesitates or fails to move when shifting into reverse or from a stop, creating a safety risk in traffic, parking situations, and when backing up. Current status: Diagnosed by Honda dealership. Repair recommended. Honda corporate case opened.

Filed Jan 7, 2026 · Engine · NJ

A rattle noise when initially pressing the accelerator pedal. When starting a vehicle, I had to press the start button multiple times. Kept stalling. All the lights on a dashboard started flashing. Saying check engine! We took it to the dealership and they confirmed engine problems. This was their diagnosis: Confirmed concern - found noise coming from engine internally due to CYL NO 2 rod knocking - oil heavily contaminated w/metal particles - recommend engine replacement! Mileage is only 93805.

Filed Dec 12, 2025 · Engine · 132,000 miles · CA

The contact owns a 2018 Honda Odyssey. The contact stated while driving 60-62 MPH, there was an abnormal sound coming from the front of the vehicle, and the vehicle lost drive power. The check engine warning light was illuminated. The contact pulled over to the side of the road. The vehicle failed to restart and was towed to Tire Choice Auto Service Centers, where it was diagnosed and determined that one of the engine banks had failed. The mechanic determined that the engine needed to be replaced with a used or brand-new engine. The vehicle was not repaired. The contact related the failure to the federal safety agency Campaign Number: 23V751000 (Engine and Engine Cooling); however, the VIN was not included. The dealer was notified of the failure and informed the contact that he would receive a call back later. The manufacturer was notified of the failure and informed the contact that a case would be filed, and the contact would receive a call back later. The failure mileage was approximately 132,000.