2023 Honda Accord Service and Repair Manual

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Factory-Grade Data

2023 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

  • Prime Sedan 4-Door
  • Hybrid EX-L Sedan 4-Door
  • Hybrid Sport Sedan 4-Door
  • EX Sedan 4-Door
  • Hybrid Sport-L Sedan 4-Door
  • LX Sedan 4-Door
  • Hybrid Touring Sedan 4-Door

Engines covered

  • 1.5L 1497CC l4 GAS DOHC Turbocharged
  • 2.0L 1993CC 122Cu. In. l4 FULL HYBRID EV-GAS (FHEV) DOHC 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

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Vehicle Safety Data

2023 Honda Accord Recalls & Complaints

NHTSA #23V78200021/11/2023Component: SEAT BELTS:FRONT

Honda (American Honda Motor Co.) is recalling certain 2023-2024 Accord and HR-V vehicles. The front seat belt pretensioners may be missing the rivet that secures the quick connector and wire plate.

Consequence

A seat belt pretensioner missing a rivet will not properly restrain the occupant, increasing the ris

Remedy

Dealers will inspect and replace the seat belt pretensioner assemblies as necessary, free of charge.

NHTSA #23V85800018/12/2023Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

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,

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, 2

TSB #11032798

Over The Air - Due to a software programming issue of the Telematics Control Unit (TCU, also referred to as TSU), certain functions may not operate as designed when accessed from the Screen Audio display. This condition results in an error

TSB #11031760

Service Bulletin - There is a dull creaking, rubbing, popping, or clicking noise coming from the front of the vehicle while turning at low speeds potentially due to the bump stop contacting the top of the front damper body.

TSB #11031289

Tech Line Summary - The vehicle's infotainment system displays previously viewed SMS messages upon each ignition cycle, when the customer's Android phone is connected via Bluetooth.

TSB #11031280

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2023-2026 Accords with a customer complaint of a noise from the instrument panel garnish in the center and passenger vent outlet areas with HVAC system off. The

TSB #11030675

Dealer Message - Due to a software programming issue of the telematics control unit (TCU/TSU), certain functions may not operate as designed when accessed from the Screen Audio display. This condition results in an error message being displ

TSB #11030198

Service Bulletin - Customer complains of a clicking, light ticking, or binding sound while turning the steering wheel due to lack of sufficient clearance between the steering gearbox motor housing and the steering rack.

TSB #11029280

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2023-2026 Accords with a customer complaint of a noise from the instrument panel garnish. The noise can be described as buzzing, rattling, or ticking. To better

TSB #11029233

Over The Air - Due to a software programming issue of the Telematics Control Unit (TCU, also referred to as TSU), certain functions may not operate as designed when accessed from the Screen Audio display. This condition results in an error

Showing the 8 most recent of 74 technical service bulletins on file with NHTSA.

20230730Component: AIR BAGSCrash reported1 injured

I got in a car accident where the front of the car was hit and the car is totaled and the airbags in the front did not deploy. I got injured because my face hit the steering wheel. I submitted a compl

20260318Component: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKINGCrash reported

On December 9, 2023, while driving my brand new 2023 Honda Accord Hybrid Touring HPD package on the highway during snowy conditions at less than 50 mph less than 8000 miles on the odometer after my fi

20260318Component: SERVICE BRAKESCrash reported

On December 9, 2023, while driving my brand new 2023 Honda Accord Hybrid Touring HPD package on the highway during snowy conditions at less than 50 mph less than 8000 miles on the odometer after my fi

20260318Component: FORWARD COLLISION AVOIDANCE: WARNINGSCrash reported

On December 9, 2023, while driving my brand new 2023 Honda Accord Hybrid Touring HPD package on the highway during snowy conditions at less than 50 mph less than 8000 miles on the odometer after my fi

20251228Component: FORWARD COLLISION AVOIDANCE: WARNINGSCrash reported

To Whom It May Concern, I am submitting this complaint to report a serious vehicle safety issue involving a Honda vehicle that was under a lease agreement. From the start of the lease, the vehicle s

Showing the 5 most serious of 131 complaints filed with NHTSA.

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