2020 Honda Odyssey Service and Repair Manual
2020 Honda Odyssey service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical diagnostics with wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
Trims covered
- LX Mini Passenger Van 4-Door
- Prime Mini Passenger Van 4-Door
- EX-L Mini Passenger Van 4-Door
- Elite Mini Passenger Van 4-Door
- Touring Mini Passenger Van 4-Door
- EX Mini Passenger Van 4-Door
Engines covered
- 3.5L 3471CC V6 GAS SOHC Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
Honda (American Honda Motor Co.) is recalling certain 2019-2021 Pilot, 2019-2020 Odyssey and 2019-2020 Passport vehicles. Incorrect central network software programming may cause several errors to oc
A delayed or inoperative rearview camera display can reduce the driver's view of what is behind the
Honda will notify owners that updated software is available. Owners have the option to either follo
American Honda Motor Co. (Honda) is recalling certain 2019-2020 Odyssey vehicles. Water may get into the rearview camera mounting holes and enter the camera lens and cause a distorted image, or no im
A distorted or inoperative rearview camera display can reduce the driver's view of what is behind th
Honda will notify owners, and dealers will replace the rearview camera, free of charge. The recall
Honda (American Honda Motor Co.) is recalling certain 2018-2020 Odyssey, 2019-2020 Passport, and 2019-2021 Pilot vehicles. Incorrect instrument panel control module software can cause the instrument
Operating a vehicle without a functioning instrument panel or rearview camera display increases the
Honda will notify owners, and dealers will reprogram the instrument panel control module software, f
Honda (America Honda Motor Co.) is recalling certain 2018-2020 Odyssey vehicles. Water may enter the outer door handle cables for the sliding doors. If this occurs, the outer door handle cables may
A power sliding door that fails to latch may open while moving, increasing the risk of injury.
Honda will notify owners, and dealers will replace the power sliding door outer handle cables, free
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,
Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
Dealers will replace the fuel pump module, free of charge. Owner letters were mailed September 6, 2
Honda (American Honda Motor Co) is recalling certain 2020-2021 Pilot and Ridgeline, and 2020-2022 Passport and Odyssey vehicles. The heating pads behind both side-view mirrors may not be bonded prope
Detached mirror glass can reduce driver visibility, increasing the risk of a crash.
Dealers will replace both left and right side-view mirrors, free of charge. Owner letters were mail
Honda (American Honda Motor Co.) is recalling certain 2018-2023 Odyssey, 2019-2022 Pilot, and 2019-2023 Passport vehicles. Due to a faulty Media Oriented Systems Transport (MOST) communication coaxia
A rearview camera that does not display an image can reduce the driver's rear view, increasing the r
Dealers will replace the MOST cable harness and install a straightening cover over the vehicle cable
Braun Corporation (Braun) is recalling certain 2018-2021 Braun-modified Honda Odyssey vehicles. The fuel tank assembly installed by Braun may be susceptible to the fuel tank overfilling into the char
A fuel leak in the presence of an ignition source may increase the risk of fire.
Braun will notify owners, and dealers will inspect vehicles. If evidence of a fuel leak is present,
Honda (American Honda Motor Co.) is recalling certain 2018-2022 Odyssey vehicles. A software programming error can cause the side and side curtain air bags to deploy unexpectedly.
Air bags that deploy unexpectedly can increase the risk of injury.
Dealers will reprogram the supplemental restraint system (SRS) electronic control unit (ECU) softwar
Honda (American Honda Motor Co.) is recalling certain 2017-2020 CR-V, 2018-2019 Accord and Accord Hybrid, 2018-2020 Odyssey, 2019 Insight, and 2019-2020 Acura RDX vehicles. A manufacturing issue with
An unlatched seat belt cannot properly restrain the seat occupant during a crash, increasing their r
Dealers will replace the driver and front passenger seat belt buckle release buttons or the buckle a
Honda (American Honda Motor Co.) is recalling certain 2018-2020 Odyssey vehicles. The wire harness for the third row seat accessory power outlet may get pinched between the unibody and rear trim pane
An intermittent electrical short could overheat the wire harness, increasing the risk of a fire.
Honda will notify owners, and dealers will inspect the third row seat accessory power outlet wire ha
Honda (American Honda Motor Co.) is recalling certain 2020-2022 Pilot, Accord, Civic sedan, HR-V, Odyssey, 2020 Civic coupe, Fit, 2021-2022 Civic hatchback, 2021 Civic Type R, Insight, 2020-2021 CR-V,
An air bag that deploys unintentionally during a crash can increase the risk of injury.
Dealers will replace the seat weight sensors, free of charge. Owner notification letters were maile
Owner Notification Letter - Under certain circumstances, after coming to a stop and the idle stop feature engaging, your vehicle may not automatically restart.
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 Odysseys with a customer complaint of the power sliding door not opening or closing under its own power. To better understand the cause of this conditi
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 Odysseys with a customer complaint of the power sliding door not opening or closing under its own power. To better understand the cause of this conditi
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 Odysseys with a customer complaint of the power sliding door not opening or closing under its own power. To better understand the cause of this conditi
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 Odysseys with a customer complaint of the power sliding door not opening or closing under its own power. To better understand the cause of this conditi
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 Odysseys with a customer complaint of the power sliding door not opening or closing under its own power. To better understand the cause of this conditi
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 Odysseys with a customer complaint of the power sliding door not opening or closing under its own power. To better understand the cause of this conditi
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 Odysseys with a customer complaint of the power sliding door not opening or closing under its own power. To better understand the cause of this conditi
Showing the 8 most recent of 184 technical service bulletins on file with NHTSA.
In 2020 I was driving in Sequoia national forest and hit a small pothole/erosion hole in front of a gate at approximately 2-3mph. I slightly bottomed out the car. The airbags deployed. Mild abrasion f
Was driving to work while raining.hit a water puddle hydroplaned, The stop brake warning light came,vehiical slammed on the brakes, and the steering wheel locked up. There where not other vehicals on
Was driving to work while raining.hit a water puddle hydroplaned, The stop brake warning light came,vehiical slammed on the brakes, and the steering wheel locked up. There where not other vehicals on
Was driving to work while raining.hit a water puddle hydroplaned, The stop brake warning light came,vehiical slammed on the brakes, and the steering wheel locked up. There where not other vehicals on
The contact owned a 2020 Honda Odyssey. The contact stated that while driving at an undisclosed speed, the vehicle stalled without warning. The contact stated that the vehicle failed to restart. As a
Showing the 5 most serious of 798 complaints filed with NHTSA.
