2015 Hyundai Equus Service and Repair Manual

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Factory-Grade Data

2015 Hyundai Equus 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

  • Ultimate Sedan 4-Door
  • Signature Sedan 4-Door

Engines covered

  • 5.0L 5038CC V8 GAS 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

2015 Hyundai Equus Recalls & Complaints

NHTSA #23V65100022/09/2023Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED

Hyundai Motor America (Hyundai) is recalling certain 2011-2015 Elantra, Genesis Coupe, Sonata Hybrid, 2012-2015 Accent, Azera, Veloster, 2013-2015 Elantra Coupe, Santa Fe, 2014-2015 Equus, 2010-2012 V

Consequence

An engine compartment fire while parked or driving can increase the risk of injury.

Remedy

Owners are advised to park outside and away from structures until the recall repair is complete. De

TSB #11032523

The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous drivers-side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN). These infla

TSB #11032522

The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driverside airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN),

TSB #11025476

This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of condensation inside th

TSB #10253275

This TSB provides a procedure to diagnose and replace, if necessary, an automatic transmission with Incorrect Ratio DTC (transmission clutch slip in gear above limit) listed on Page 2.

TSB #10251285

This bulletin contains information about the proper removal of the windshield wiper blade protective cover on all models. If the protective cover is not removed correctly, there is a possibility of the rubber insert and rail spring becoming

TSB #10247189

This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.

TSB #10235566

Hyundai applies a Paint Protection Film (PPF) on new vehicles before delivery to dealerships. It provides a barrier between the paint and contaminants, such as rail dust, acid rain, and industrial fallout. In rare cases, the paint can becom

TSB #10235526

In certain areas, a vehicles underbody may exhibit corrosion due to road-salt usage. As a preventative measure, a cavity wax coating is applied to the internal surfaces of underbody components and an undercoating spray is applied to exterio

Showing the 8 most recent of 54 technical service bulletins on file with NHTSA.

20241125Component: SEATS1 injured

On August, 2nd around noon, I was driving alone, west on a rural road called 1869 in Liberty Hill, TX. I believe the speed limit on this winding rural road is 55mph, and I was about 1 mile west of 18

20240921Component: EXTERIOR LIGHTING

Within last two years I've been dealing with random and intermittent headlight flickering/turning off when the light stalk switch is in AUTO mode. Also, the cabin lights flicker and turn off at the sa

20240401Component: SERVICE BRAKES, HYDRAULIC

The contact owns a 2015 Hyundai Equus. The contact stated that while the vehicle was parked in the garage, there was an unknown liquid leaking from under the hood. The contact received notification of

20230605Component: SUSPENSION

The contact owns a 2015 Hyundai Equus. The contact stated that while driving into the driveway, the front air suspension suddenly failed causing the front-end of the vehicle to collapse onto the front

20221004Component: AIR BAGS

Active headrest on front passenger side inadvertently deployed while driving on a smooth toll road at normal speed. Any passenger could have been severely injured and there could be risk of driver sid

Showing the 5 most serious of 12 complaints filed with NHTSA.

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