2012 Hyundai Genesis Coupe Service and Repair Manual

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Factory-Grade Data

2012 Hyundai Genesis Coupe 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

  • 3.8 R-Spec Coupe 2-Door
  • 2.0T Premium Coupe 2-Door
  • 3.8 Grand Touring Coupe 2-Door
  • 3.8 GT Coupe 2-Door
  • 2.0T R-Spec Coupe 2-Door
  • 2.0T Coupe 2-Door
  • 3.8 Coupe 2-Door
  • 2.0T GT Coupe 2-Door
  • 3.8 Track Coupe 2-Door

Engines covered

  • 3.8L 3778CC 231Cu. In. V6 GAS DOHC Naturally Aspirated
  • 2.0L 1998CC 122Cu. In. l4 GAS DOHC Turbocharged

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 Coupe 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

NHTSA #16V72200007/10/2016Component: AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION

Hyundai Motor America (Hyundai) is recalling certain model year 2010-2016 Genesis Coupe vehicles manufactured December 12, 2008, to June 11, 2016. The electrical harness connector for the front passe

Consequence

In the event of a crash necessitating deployment of the passenger frontal air bag, the disconnected

Remedy

Hyundai will notify owners, and dealers will secure the OCS connector to prevent it from disconnecti

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 #11000788

A class settlement against Hyundai Motor America (HMA) that had alleged that certain 2011 2022 model year Hyundai vehicles that were not equipped with an engine immobilizer (called the Class Vehicles) contain design flaws, including the fai

TSB #11000314

A class settlement against Hyundai Motor America (HMA) that had alleged that certain 2011 2022 model year Hyundai vehicles that were not equipped with an engine immobilizer (called the Class Vehicles) contain design flaws, including the fai

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 #10251282

Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), and anti-theft ignition cylinder protector campaign (Campaign 9A5) in res

Showing the 8 most recent of 44 technical service bulletins on file with NHTSA.

20240601Component: SERVICE BRAKES

Sep 22, 2023 Manufacturer Recall Number251 NHTSA Recall Number23V651000 Recall Status: Recall Incomplete, remedy not yet available June, 2024 It has been 10 months since an alert from Hyundai to park

20240601Component: UNKNOWN OR OTHER

Sep 22, 2023 Manufacturer Recall Number251 NHTSA Recall Number23V651000 Recall Status: Recall Incomplete, remedy not yet available June, 2024 It has been 10 months since an alert from Hyundai to park

20240319Component: SERVICE BRAKES

Re: [XXX] It has been 6 months since a recall notice was sent indicating: FIRE RISK WHEN PARKED As of 3/9/2024, the recall is still marked: REMEDY NOT YET AVAILABLE This is unacceptable. What are m

20221228Component: SERVICE BRAKES

Brakes are spongy and do not engage properly

20220311Component: ENGINE

All maintenance done on vehicle when needed however the vehicle stalled in traffic and almost caught on fire when driving it doesn’t take off like it should now vehicle is not drivable engine failur

Showing the 5 most serious of 14 complaints filed with NHTSA.

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