2020 Acura MDX Service and Repair Manual

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Factory-Grade Data

The 2020 Acura MDX service and repair manual is a practical, OEM-style reference for maintenance, diagnostics, and repair work. You’ll get step-by-step procedures, specifications, torque values, diagrams, and system information to help you troubleshoot accurately and finish jobs faster.

Ideal for professional technicians and DIY owners, this manual covers core vehicle systems including engine, brakes, steering, suspension, HVAC, and wiring diagrams. Instant digital access after purchase.

Trims covered

  • SH-AWD Sport Utility 4-Door
  • Sport Hybrid Sport Utility 4-Door
  • Base Sport Utility 4-Door
  • Tech Sport Utility 4-Door
  • A-Spec Sport Utility 4-Door

Engines covered

  • 3.5L 3471CC V6 GAS SOHC Naturally Aspirated
  • 3.0L 2997CC V6 FULL HYBRID EV-GAS (FHEV) SOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Body Repair
  • Body Repair Basic
  • Brakes
  • Control System DTCs
  • Driving Support & Restraints
  • Engine
  • HVAC
  • Network Communication
  • Paint Repair Basic
  • Steering
  • Suspension
  • Symptom
  • Trans/Driveline
  • Vehicle General Information
  • Wiring Diagrams

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Vehicle Safety Data

2020 Acura MDX 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 #21V21500025/03/2021Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

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

Consequence

Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.

Remedy

Honda will notify owners, and dealers will replace the fuel pump assembly, free of charge. Owner le

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 #23V75100013/11/2023Component: ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL

Honda (American Honda Motor Co.) is recalling certain 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2016 and 2018-2019 Pilot, 2017 and 2019 Ridgeline, and 2018-2019 Odyssey vehicles. Due to a manufacturi

Consequence

A damaged engine may run improperly or stall while driving, increasing the risk of a fire, crash, or

Remedy

Dealers will inspect and repair, or replace the engine as necessary, free of charge. Owner letters

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 #11028523

Owner Notification Letter - Under certain circumstances, after coming to a stop and the idle stop feature engaging, the vehicle may not automatically restart. Acura is providing a product update with a new PGM-FI software update to fix this

TSB #11026692

Dealer Message - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Typically, the client can immediately restart the vehicle by selecting Park and pushing the E

TSB #11020584

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 client can immediately res

TSB #11015014

Service Bulletin - The AWD warning light is on with one or more AWD DTCs having been set due to water intrusion into the electric oil pump motor connector area corrodes the terminals.

TSB #11011046

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 #11002724

Service Bulletin - Client complaint of A/C not blowing cold air due to oil/refrigerant leak from the A/C compressor shaft seal.

TSB #11000723

Owner Notification Letter - Under certain circumstances, after coming to a stop and the idle stop feature engaging, the vehicle may not automatically restart. Acura is providing a product update with a new PGM-FI software update to fix this

TSB #11000147

Service News - Due to On-Board Diagnostic (OBD) regulation change starting with 2019 vehicles, American Hondas Variable Valve Timing and Lift Electronic Control (VTEC) On-Board Diagnostic monitors are now included in the EGR/VVT OBD Monitor

Showing the 8 most recent of 110 technical service bulletins on file with NHTSA.

20240715Component: SEAT BELTSCrash reported

On May 30, 2024, the vehicle associated with the VIN associated with the report was involved in an accident. The vehicle is inoperable due to the seatbelt no longer working since the accident. The v

20240715Component: SEAT BELTS:PRETENSIONERCrash reported

On May 30, 2024, the vehicle associated with the VIN associated with the report was involved in an accident. The vehicle is inoperable due to the seatbelt no longer working since the accident. The v

20230504Component: SERVICE BRAKESCrash reported

While braking into a parking spot, vehicle experienced sudden unintended acceleration. Brake did not engage, car rapidly surged forward over parking block, sidewalk and hitting building. Previously i

20230504Component: ELECTRICAL SYSTEMCrash reported

While braking into a parking spot, vehicle experienced sudden unintended acceleration. Brake did not engage, car rapidly surged forward over parking block, sidewalk and hitting building. Previously i

20230504Component: VEHICLE SPEED CONTROLCrash reported

While braking into a parking spot, vehicle experienced sudden unintended acceleration. Brake did not engage, car rapidly surged forward over parking block, sidewalk and hitting building. Previously i

Showing the 5 most serious of 330 complaints filed with NHTSA.

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