2012 Hyundai Genesis Service and Repair Manual

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Factory-Grade Data

2012 Hyundai Genesis 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

  • 5.0 R-Spec Sedan 4-Door
  • 4.6 Sedan 4-Door
  • 5.0 Sedan 4-Door
  • 3.8 Sedan 4-Door

Engines covered

  • 5.0L 5038CC V8 GAS DOHC Naturally Aspirated
  • 4.6L 4627CC V8 GAS DOHC Naturally Aspirated
  • 3.8L 3778CC 231Cu. In. V6 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

2012 Hyundai Genesis Recalls & Complaints

NHTSA #13V48900029/10/2013Component: SERVICE BRAKES, HYDRAULIC:FLUID

Hyundai is recalling certain model year 2009-2012 Genesis vehicles manufactured April 30, 2008, through March 28, 2012. The vehicles may contain brake fluid which does not protect against corrosion of

Consequence

If the module corrodes, reduced brake effectiveness may result, increasing the risk of a crash.

Remedy

Hyundai will notify owners and instruct them to bring their vehicle to a dealer for service. Hyunda

NHTSA #16V11700029/02/2016Component: VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR

Hyundai Motor America (Hyundai) is recalling certain model year 2012 Genesis vehicles manufactured August 1, 2011, to April 30, 2012, and 2011-2013 Equus vehicles manufactured July 10, 2011, to June 1

Consequence

Inoperative wipers during inclement weather can decrease driver visibility, increasing the risk of a

Remedy

Hyundai will notify owners, and dealers will replace the wiper motor cover and seal, free of charge.

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 #10251277

This bulletin outlines the basic components of the BG Fuel Test Kit and the procedure to test the quality of the fuel during vehicle diagnosis. Poor fuel quality may lead to cold engine startability issues, hesitation at idle or during acce

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

Showing the 8 most recent of 99 technical service bulletins on file with NHTSA.

20250506Component: AIR BAGSCrash reported1 injured

The contact owned a 2012 Hyundai Genesis. The contact stated that while driving at an unknown speed, she collided with another vehicle on the front driver's side. No air bags deployed. BM Automotive t

20200303Component: AIR BAGSCrash reported1 injured

TL* THE CONTACT OWNED A 2012 HYUNDAI GENESIS. THE CONTACT STATED THAT WHILE ON A HIGHWAY STATIONERY IN TRAFFIC, THE VEHICLE BEHIND HIM CRASHED INTO THE BACK OF HIS VEHICLE. THE CONTACT'S VEHICLE THEN

20200303Component: SEATS:FRONT ASSEMBLY:HEAD RESTRAINTCrash reported1 injured

TL* THE CONTACT OWNED A 2012 HYUNDAI GENESIS. THE CONTACT STATED THAT WHILE ON A HIGHWAY STATIONERY IN TRAFFIC, THE VEHICLE BEHIND HIM CRASHED INTO THE BACK OF HIS VEHICLE. THE CONTACT'S VEHICLE THEN

20140201Component: AIR BAGSCrash reported1 injured

THE VEHICLE WAS HIT IN THE RIGHT REAR QUARTER AND THEN IN THE FRONT, COMPLETELY DEMOLISHING THE FRONT BODY WORK. ONLY THE PASSENGER SIDE WINDOW CURTAIN AIRBAG DEPLOYED, LIKELY DUE TO THE INITIAL RIGH

20140201Component: STRUCTURE:BODYCrash reported1 injured

THE VEHICLE WAS HIT IN THE RIGHT REAR QUARTER AND THEN IN THE FRONT, COMPLETELY DEMOLISHING THE FRONT BODY WORK. ONLY THE PASSENGER SIDE WINDOW CURTAIN AIRBAG DEPLOYED, LIKELY DUE TO THE INITIAL RIGH

Showing the 5 most serious of 362 complaints filed with NHTSA.

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