2015 Lexus GS 350 Service and Repair Manual

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Factory-Grade Data

2015 Lexus GS 350 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

  • Base
  • F Sport

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

2015 Lexus GS 350 Recalls & Complaints

NHTSA #20V01200013/01/2020Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Toyota Motor Engineering & Manufacturing (Toyota) recalled certain 2018-2019 4Runner, Highlander, Camry, Land Cruiser, Sequoia, Sienna, Tacoma and Tundra, and Lexus RC 300, RC 350, GS 350, GX 460, IS

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, free of charge. The recall began

TSB #10235215

TSB: Some 2013 ? 2020 model year Lexus vehicles may exhibit a hard start and/or MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): ?DTC P0171 and/or P0174 (System Too Lean Bank 1/Bank 2) ?DTC P0087 Fuel Rail

TSB #10235219

DL: On December 20, 2022, a settlement of claims for certain low pressure fuel pumps was approved by the federal court. The settlement includes Lexus?s agreement to provide a Customer Support Program for certain 2013-2020 model year (MY) ve

TSB #10235220

DL: On December 20, 2022, a settlement of claims for certain low pressure fuel pumps was approved by the federal court. The settlement includes Lexus?s agreement to provide a Customer Support Program for certain 2015-2020 model year (MY) ve

TSB #10230352

DP: Limited Service Campaign KLG expired December 01, 2022

TSB #10230350

DP: Customer Support Program 19LE05 expired December 1, 2022.

TSB #10230353

TI: 19LE05 Expired December 1, 2022

TSB #10230351

TI: 19LE05 Expired December 1, 2022

TSB #10224118

TSB: Some 2013 ? 2022 model year Lexus vehicles equipped with a 2WD drivetrain and the F Sport package may exhibit a clicking noise from the front wheel area during slow (parking lot) speed turns. The clicking noise that can be heard during

Showing the 8 most recent of 240 technical service bulletins on file with NHTSA.

20200924Component: ELECTRICAL SYSTEMCrash reported2 injured

I PURCHASED MY VEHICLE 2018 AND WITHIN APPROX. A MONTH I WAS INVOLVED IN AN ACCIDENT ON THE FREEWAY WHERE MY VEHICLE STALLED WHICH RESULTED IN MAJOR DAMAGES TO MY CAR . I COULDN'T EXPLAIN WHAT HAPPENE

20200924Component: ENGINECrash reported2 injured

I PURCHASED MY VEHICLE 2018 AND WITHIN APPROX. A MONTH I WAS INVOLVED IN AN ACCIDENT ON THE FREEWAY WHERE MY VEHICLE STALLED WHICH RESULTED IN MAJOR DAMAGES TO MY CAR . I COULDN'T EXPLAIN WHAT HAPPENE

20200924Component: FUEL/PROPULSION SYSTEMCrash reported2 injured

I PURCHASED MY VEHICLE 2018 AND WITHIN APPROX. A MONTH I WAS INVOLVED IN AN ACCIDENT ON THE FREEWAY WHERE MY VEHICLE STALLED WHICH RESULTED IN MAJOR DAMAGES TO MY CAR . I COULDN'T EXPLAIN WHAT HAPPENE

20230314Component: STEERING

Steering: Car pulls to the right when travelling above 50mph. Done 4 wheels alignment at Lexus dealership already but the problem still persists. Technician said the steering rack is the problem b

20230314Component: SERVICE BRAKES

Steering: Car pulls to the right when travelling above 50mph. Done 4 wheels alignment at Lexus dealership already but the problem still persists. Technician said the steering rack is the problem b

Showing the 5 most serious of 20 complaints filed with NHTSA.

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