2020 Toyota Tacoma Service and Repair Manual

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Factory-Grade Data

2020 Toyota Tacoma 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, torque values, and reference data
  • Electrical diagnostics with full wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
  • Diagnostic trouble codes and troubleshooting flow
  • Maintenance schedules and fluid capacities

Trims covered

  • Limited
  • SR, 4D Pickup Crew Cab
  • SR, 4D Pickup Extra Cab
  • SR5, 4D Pickup Crew Cab
  • SR5, 4D Pickup Extra Cab
  • TRD Off-Road, 4D Pickup Crew Cab, Automatic Trans
  • TRD Off-Road, 4D Pickup Crew Cab, Standard Trans
  • TRD Off-Road, 4D Pickup Crew Cab
  • TRD Off-Road, 4D Pickup Extra Cab
  • TRD Pro, Automatic Trans
  • TRD Pro, Standard Trans
  • TRD Sport, 4D Pickup Crew Cab, Automatic Trans
  • TRD Sport, 4D Pickup Crew Cab, Standard Trans
  • TRD Sport, 4D Pickup Crew Cab
  • TRD Sport, 4D Pickup Extra Cab, Automatic Trans
  • TRD Sport, 4D Pickup Extra Cab, Standard Trans
  • TRD Sport, 4D Pickup Extra Cab

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
  • Maintenance & Lubrication
  • Specifications
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Diagnostic Trouble Codes
  • Technical Service Bulletins
  • Wiring Diagrams

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Vehicle Safety Data

2020 Toyota Tacoma Recalls & Complaints

NHTSA #20V68200004/11/2020Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2019 4Runner, 2019-2020 Avalon, 2019 Corolla Hatchback, 2017-2019 Highlander, 2018-2020 Camry, 2020 Corolla, 2018-2019 Land

Consequence

If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.

Remedy

Toyota will notify owners, and dealers will replace the fuel pump assembly with an improved one, fre

TSB #11028726

OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete. Please see T-SB-0001-26.

TSB #11028722

Some 2018 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software.

TSB #11028712

Some 2005 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Servic

TSB #11026308

Toyota has received some reports of paint peeling along the exterior door window frames, front inner fenders as can been seen with the hood open, and on the A-pillars on certain Tacoma vehicles with 040 Super White paint color. Although the

TSB #11022945

Customer Support Program 23TE08 Paint Repair Process Job Aid

TSB #11022944

TECHNICAL INSTRUCTIONS FOR CUSTOMER SUPPORT PROGRAM 23TE08 COVERAGE FOR PAINT PEELING ON EXTERIOR DOOR FRAMES, FRONT INNER FENDERS AND A-PILLARS CERTAIN 2016-2022 MODEL YEAR TACOMA

TSB #11022943

Toyota has received some reports of paint peeling along the exterior door window frames, front inner fenders as can been seen with the hood open, and on the A-pillars on certain Tacoma vehicles with 040 Super White paint color. Although the

TSB #11019332

To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be u

Showing the 8 most recent of 198 technical service bulletins on file with NHTSA.

20231205Component: LANE DEPARTURE: ASSISTCrash reported2 injured

the person run away, she left, i took a pic of the car and vin problale she left because doesnt have DL

20231205Component: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKINGCrash reported2 injured

the person run away, she left, i took a pic of the car and vin problale she left because doesnt have DL

20231205Component: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROLCrash reported2 injured

the person run away, she left, i took a pic of the car and vin problale she left because doesnt have DL

20230303Component: AIR BAGSCrash reported2 injured

Was driving doing 35mph and some one ran stop sign T boned Car who ran stop sign my air bags didn't deploy all air bags of other car deployed. My car was totaled . None of the air bags deployed acco

20230223Component: AIR BAGSCrash reported1 injured

The contact owns a 2020 Toyota Tacoma. The contact stated while driving 50 mph in the morning and in heavy fog, she was unable to visibly see the road which caused her to impact a stationed vehicle in

Showing the 5 most serious of 123 complaints filed with NHTSA.

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