2012 Volkswagen Passat Service and Repair Manual

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Factory-Grade Data

2012 Volkswagen Passat 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

  • Comfortline Sedan 4-Door
  • Base Sedan 4-Door
  • Sportline Sedan 4-Door
  • Highline TDI Sedan 4-Door
  • Trendline TDI Sedan 4-Door
  • SE Sedan 4-Door
  • S Sedan 4-Door
  • Comfortline TDI Sedan 4-Door
  • SEL Premium Sedan 4-Door
  • Trendline Sedan 4-Door
  • SEL Sedan 4-Door
  • Highline Sedan 4-Door
  • TDI SEL Sedan 4-Door
  • TDI SE Sedan 4-Door

Engines covered

  • 2.5L 2480CC 151Cu. In. l5 GAS DOHC Naturally Aspirated
  • 3.6L 3597CC 219Cu. In. V6 GAS DOHC Naturally Aspirated
  • 2.0L 1968CC 120Cu. In. l4 DIESEL 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 Volkswagen Passat Recalls & Complaints

NHTSA #16V17100024/03/2016Component: ELECTRICAL SYSTEM:WIRING

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2012-2014 Passat vehicles equipped with TDI engines. Due to improperly assembled wire seals in a connector for an underb

Consequence

An electrical short can cause the electrical connectors of the sensor to overheat, increasing the ri

Remedy

Volkswagen will notify owners, and dealers will inspect the connector, replacing it as necessary, fr

NHTSA #19V38900022/05/2019Component: EXTERIOR LIGHTING:HEADLIGHTS

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2012-2020 Volkswagen Passat and 2018-2019 Atlas vehicles. The blocking cap disabling the adjustment of the headlight's horizontal a

Consequence

Without the blocking cap, the headlight aim can be adjusted out of specification, reducing visibilit

Remedy

Volkswagen will notify owners, and dealers will inspect and, as necessary, block the headlight horiz

NHTSA #17V30900011/05/2017Component: ENGINE AND ENGINE COOLING:ENGINE:DIESEL

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2012-2014 Passat vehicles, equipped with diesel engines and Direct-Shift Transmissions (DSG). The vehicle's underbody heat shield m

Consequence

If the leaking grease contacts a heated surface, such as the exhaust system and/or the diesel partic

Remedy

Volkswagen will notify owners, and dealers will replace the driveshaft heat shield, free of charge.

NHTSA #16V07800010/02/2016Component: AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2010-2014 Golf, 2007-2010 Passat sedans and wagon, 2012-2014 Passat sedan and Eos, 2009-2014 CC, 2009-2012 Audi Q5, 2010-

Consequence

In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could

Remedy

Volkswagen will notify owners, and dealers will replace the driver's frontal air bag inflators, free

NHTSA #12V14600005/04/2012Component: FUEL SYSTEM, DIESEL

VOLKSWAGEN IS RECALLING CERTAIN MODEL YEAR 2012 PASSAT VEHICLES, MANUFACTURED FROM JANUARY 18, 2011, THROUGH JUNE 1, 2011. DURING ASSEMBLY, THESE VEHICLES WERE BUILT WITH A DIESEL FUEL FILTER ELEMENT

Consequence

OVER TIME, OR AFTER CERTAIN DRIVING DISTANCES, THESE VEHICLES ARE SUSCEPTIBLE TO FUEL LEAKAGE. LEAK

Remedy

VOLKSWAGEN WILL NOTIFY OWNERS, AND DEALERS WILL REPLACE THE DIESEL FUEL FILTER ELEMENTS, FREE OF CHA

NHTSA #19V86200004/12/2019Component: AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2012-2015 Passat, 2011-2014 Golf A6, and 2011-2013 Audi A3 diesel vehicles, thought to have been previously repaired under one of th

Consequence

An inflator explosion may result in sharp metal fragments striking the driver or other occupants res

Remedy

Volkswagen will notify owners, and dealers will replace the driver's side air bag inflators, free of

TSB #11030847

This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct the error message ERP0204E could occur during perform initial opera

TSB #11030841

Safety Related Inquiry and Reporting

TSB #11030838

Damage Inspection of Park assist sensors

TSB #11030829

This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct multiple test plans: All basic settings test for the following comp

TSB #11030828

Paint color and/or finish of the engine compartment may not match the exterior paint color

TSB #11030826

The National Highway Traffic Safety Administration (NHTSA) has issued an urgent warning regarding counterfeit replacement airbag inflators that are being installed in used vehicles.

TSB #11028490

This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct a test that is not reading any information from the battery data mo

TSB #11026185

Replace Door Lock and Cap.

Showing the 8 most recent of 1561 technical service bulletins on file with NHTSA.

20190227Component: AIR BAGSCrash reported2 injured

TAKATA RECALL I LOOKED UP VEHICLES VIN AN NOTICED 6 RECALLS ON IT I HAD GOT THE ISSUE FIXED AND I NOTICED MY SENSOR IN MY TIRE WAS BLINKING I TOOK IT BACK TO THE DEALERSHIP GUY WORKING TOLD ME ONLY A

20190227Component: UNKNOWN OR OTHERCrash reported2 injured

TAKATA RECALL I LOOKED UP VEHICLES VIN AN NOTICED 6 RECALLS ON IT I HAD GOT THE ISSUE FIXED AND I NOTICED MY SENSOR IN MY TIRE WAS BLINKING I TOOK IT BACK TO THE DEALERSHIP GUY WORKING TOLD ME ONLY A

20160211Component: AIR BAGSCrash reported2 injured

I WAS IN A CAR ACCIDENT. I WAS NOT AT FAULT, BUT I WAS T-BONED WITH ALMOST OVER $11,000 IN DAMAGE. THE CASE WAS SETTLED BUT THE VEHICLE IS STILL NOT IN GOOD SHAPE. THE AIR BAGS DID NOT GO OFF IN THE A

20160211Component: STRUCTURE:BODYCrash reported2 injured

I WAS IN A CAR ACCIDENT. I WAS NOT AT FAULT, BUT I WAS T-BONED WITH ALMOST OVER $11,000 IN DAMAGE. THE CASE WAS SETTLED BUT THE VEHICLE IS STILL NOT IN GOOD SHAPE. THE AIR BAGS DID NOT GO OFF IN THE A

20170817Component: AIR BAGSCrash reported1 injured

TL* THE CONTACT OWNED A 2012 VOLKSWAGEN PASSAT. WHILE DRIVING APPROXIMATELY 30 MPH, THE CONTACT'S VEHICLE WAS STRUCK ON THE DRIVER'S SIDE DOOR BY ANOTHER VEHICLE. THE AIR BAGS DID NOT DEPLOY. A POLICE

Showing the 5 most serious of 660 complaints filed with NHTSA.

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