2021 Honda Passport Service and Repair Manual

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Factory-Grade Data

2021 Honda Passport 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

  • EX-L Sport Utility 4-Door
  • Touring Sport Utility 4-Door
  • Sport Sport Utility 4-Door
  • Elite Sport Utility 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

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Vehicle Safety Data

2021 Honda Passport Recalls & Complaints

NHTSA #23V45800029/06/2023Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

Honda (American Honda Motor Co.) is recalling certain 2020-2021 Civic, 2020-2023 Ridgeline, 2021-2023 Passport, 2021-2022 Pilot, and 2020 Acura MDX vehicles. The tie rod fastener that connects the br

Consequence

Brake master cylinder separation can cause a loss of brake function and increase the risk of a crash

Remedy

Dealers will inspect and repair the brake booster assembly as necessary, free of charge. Owner noti

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

NHTSA #23V17400016/03/2023Component: VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR

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

Consequence

Detached mirror glass can reduce driver visibility, increasing the risk of a crash.

Remedy

Dealers will replace both left and right side-view mirrors, free of charge. Owner letters were mail

NHTSA #23V43100015/06/2023Component: BACK OVER PREVENTION:DISPLAY FUNCTION

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

Consequence

A rearview camera that does not display an image can reduce the driver's rear view, increasing the r

Remedy

Dealers will replace the MOST cable harness and install a straightening cover over the vehicle cable

NHTSA #24V06400001/02/2024Component: AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER

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,

Consequence

An air bag that deploys unintentionally during a crash can increase the risk of injury.

Remedy

Dealers will replace the seat weight sensors, free of charge. Owner notification letters were maile

TSB #11025607

Service Bulletin - The wireless charger starts charging the phone and then stops charging, even when the phone remains in the correct position on the charger due to software specifications that can cause some phones to have issues charging.

TSB #11021752

Service Bulletin - One or more accessory running board lights are flickering or not working due to a faulty running board light assembly.

TSB #11020578

Service Bulletin - Under certain circumstances, after coming to a stop and engaging idle stop, the vehicle may not restart automatically due to excessive cylinder pressure and/or low cranking torque. Typically, the customer can immediately

TSB #11011045

Service Bulletin - The AWD warning light is on potentially due to water intrusion into the rear differential pump motor connector area that corrodes the terminals.

TSB #11009193

Service Bulletin - The wireless charger starts charging the phone and then stops charging, even when the phone remains in the correct position on the charger.

TSB #11008043

Service Bulletin - The wireless charger starts charging the phone and then stops charging, even when the phone remains in the correct position on the charger.

TSB #11006251

Service Bulletin - Customer complaint of the A/C not blowing cold air due to Oil/Refrigerant leak from the A/C compressor shaft seal.

TSB #11005272

Service Bulletin - MIL flashes and vehicle will not accelerate, low power. After cycling the ignition, the symptom does not return with no stored DTCs. This issue is more common in regions with cold weather (specifically near or below freez

Showing the 8 most recent of 93 technical service bulletins on file with NHTSA.

20230410Component: BACK OVER PREVENTION: WARNINGSCrash reported1 injured

I don't know which system failed or malfunctioned. It is available for inspection. While parking at the community parking lot the car accelerated. I wan't able to stop it. It jumped a bumper stop th

20230410Component: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKINGCrash reported1 injured

I don't know which system failed or malfunctioned. It is available for inspection. While parking at the community parking lot the car accelerated. I wan't able to stop it. It jumped a bumper stop th

20230410Component: FORWARD COLLISION AVOIDANCE: WARNINGSCrash reported1 injured

I don't know which system failed or malfunctioned. It is available for inspection. While parking at the community parking lot the car accelerated. I wan't able to stop it. It jumped a bumper stop th

20230315Component: SEAT BELTSCrash reported1 injured

The contact owns a 2021 Honda Passport. The contact stated that while driving at low speeds, crossing an intersection, crashed into the rear wheel of an unknown vehicle. The seat belt fractured. Ther

20250507Component: SEATSCrash reported

There were no warning light, malfunction errors or anything prior to 1/4/2025. My passenger seat weight sensor was supposedly finally replaced on 4/9/2025 (I kept being turned away due to the part not

Showing the 5 most serious of 200 complaints filed with NHTSA.

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