2020 Honda Accord 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
- Hybrid Sedan 4-Door
- Sport Plus Sedan 4-Door
- Sport Sedan 4-Door
- Hybrid EX-L Sedan 4-Door
- EX Sedan 4-Door
- SE Sedan 4-Door
- Hybrid EX Sedan 4-Door
- Touring Sedan 4-Door
- LX Sedan 4-Door
- EX-L Sedan 4-Door
- Hybrid Touring Sedan 4-Door
Engines covered
- 2.0L 1993CC 122Cu. In. l4 FULL HYBRID EV-GAS (FHEV) DOHC Naturally Aspirated
- 1.5L 1497CC l4 GAS DOHC Turbocharged
- 2.0L 1996CC 122Cu. In. l4 GAS DOHC Turbocharged
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 2019-2020 Acura MDX, MDX Sport Hybrid, RDX, TLX, Honda Accord, Civic Hatchback, Insight, 2019 Acura ILX, Honda Accord Hybrid, Civic Coupe, Civic C
Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
Honda will notify owners, and dealers will replace the fuel pump assembly, free of charge. Owner le
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 2020-2022 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
Tech Line Summary - Customers who have purchased the Accessory CarPlay /Android Auto upgrade are complaining that a pop-up message appears on the audio unit display stating, Please insert USB drive containing valid software license file, an
Dealer Message - Some customers have reported a pop-up message on the audio unit display stating: Please insert USB drive containing valid software license file and press OK button. When this message appears, the audio unit becomes unrespon
Dealer Message - Some customers have reported a pop-up message on the audio unit display stating: Please insert USB drive containing valid software license file and press OK button. When this message appears, the audio unit becomes unrespon
Service Bulletin - Oil leak at timing chain tensioner inspection cover due to possible insufficient sealant adhesion on inspection cover.
Service News - From our investigation, we've found the reason could be customers are trying to pull open the fuel fill door, not realizing it's been locked by the Walk Away Auto Lock feature. When activated, the Walk Away Auto Lock feature
Service News - Honda has received reports of broken fuel fill door clips. From our investigation, Honda has found that the reason could be customers are trying to pull open the fuel fill door, not realizing it's been locked by the Walk Away
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2024 Accord 1.5Ls, 2021-2024 Civics 1.5Ls, 2023-2024 CR-Vs 1.5Ls, and 2017 Fits with customer complaint of Check Engine Light (CEL) on with DTC P0420 [Catal
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2024 Accord 1.5Ls, 2021-2024 Civics 1.5Ls, 2023-2024 CR-Vs 1.5Ls, and 2017 Fits with customer complaint of Check Engine Light (CEL) on with DTC P0420 [Catal
Showing the 8 most recent of 244 technical service bulletins on file with NHTSA.
FOLLOWING A COLLISION, THE VEHICLE CAUGHT FIRE RESULTING IN OPERATOR DEATH
The contact owns a 2020 Honda Accord. The contact stated while driving at 25 MPH, the front driver's side air bag, the front passenger's side air bag, and the knee air bags were deployed unintendedly.
The contact owns a 2020 Honda Accord. The contact stated while driving at 25 MPH, the front driver's side air bag, the front passenger's side air bag, and the knee air bags were deployed unintendedly.
The contact owned a 2020 Honda Accord. The contact stated that while driving at 40 MPH, the airbags deployed without incident and without warning. Due to the shock of the failure, the contact also sta
I [XXX] AM WRITING THIS LETTER ABOUT MY 2020 HONDA ACCORD. VIN NUMBER [XXX]. I LEASED THIS CAR IN JANUARY OF 2019 FROM TAMPA HONDA. MY BROTHER'S NAME IS ON THE LEASE AND HIS NAME IS [XXX] . HE HAS BEE
Showing the 5 most serious of 519 complaints filed with NHTSA.
