2020 Volkswagen Passat Service and Repair Manual

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Factory-Grade Data

2020 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
  • Execline Sedan 4-Door
  • SEL Sedan 4-Door
  • SE Sedan 4-Door
  • R-Line Sedan 4-Door
  • Highline Sedan 4-Door
  • S Sedan 4-Door

Engines covered

  • 2.0L 1984CC 121Cu. 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

2020 Volkswagen Passat Recalls & Complaints

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 #19V21800020/03/2019Component: AIR BAGS:SIDE/WINDOW

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2019 Atlas and 2020 Passat vehicles. An incorrect driver and/or front passenger side impact air bag may have been installed.

Consequence

In an event of a side impact crash, an incorrect side airbag may not deploy as intended, increasing

Remedy

Volkswagen has inspected and replaced the side air bags, free of charge. The recall was completed i

NHTSA #20V53300002/09/2020Component: AIR BAGS:PASSENGER SIDE FRONTAL:CUSHION

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2020 Passat vehicles. The passenger frontal air bag may have been folded incorrectly affecting its deployment force. As such, thes

Consequence

An incorrectly folded air bag can deploy with too much force, increasing the risk of injury.

Remedy

Volkswagen will notify owners, and dealers will replace the passenger frontal air bag, free of charg

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 #11028492

Assessment of Damage to steering wheel leather

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

Showing the 8 most recent of 438 technical service bulletins on file with NHTSA.

20230519Component: AIR BAGSCrash reported1 injured

HELLO MY DOUGHTER HAD A ACCIDENT CAR WAS TOTAL LOSS AND AIR BAGS DID NOT POP UP AND SEAT BELT WAS NOT TIGHT ENOUGH

20230519Component: SEAT BELTSCrash reported1 injured

HELLO MY DOUGHTER HAD A ACCIDENT CAR WAS TOTAL LOSS AND AIR BAGS DID NOT POP UP AND SEAT BELT WAS NOT TIGHT ENOUGH

20260323Component: ENGINE

2020 Volkswagen Passat SE 2.0L VIN: [XXX] Complaint Summary: I am reporting a persistent and unresolved fault involving the secondary air injection system (DTC P0491 – insufficient airflow) that h

20260323Component: UNKNOWN OR OTHER

2020 Volkswagen Passat SE 2.0L VIN: [XXX] Complaint Summary: I am reporting a persistent and unresolved fault involving the secondary air injection system (DTC P0491 – insufficient airflow) that h

20251218Component: STEERING

Steering wheel controls stopped working, no horn either. Probably no airbag but haven't got into an accident. There was recall on the same part for the until 2018, but the new part I was going to inst

Showing the 5 most serious of 24 complaints filed with NHTSA.

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