2020 Volkswagen Jetta 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
- R-Line Sedan 4-Door
- SE Sedan 4-Door
- S Sedan 4-Door
- GLI Sedan 4-Door
- GLI S Sedan 4-Door
- Execline Sedan 4-Door
- Wolfsburg Sedan 4-Door
- SEL Premium Sedan 4-Door
- Trendline Sedan 4-Door
- SEL Sedan 4-Door
- Highline Sedan 4-Door
- Startline Sedan 4-Door
- GLI Autobahn Sedan 4-Door
Engines covered
- 1.4L 1395CC 85Cu. In. l4 GAS DOHC Turbocharged
- 2.0L 1984CC 121Cu. In. l4 GAS DOHC Turbocharged
- 1.6L 1598CC 98Cu. In. l4 GAS SOHC 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
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2019 Golf, Golf Alltrack, Golf Sportwagen, 2019-2020 Golf GTI, and Jetta vehicles equipped with a conventional ignition switch. The
Ignition switch failure can cause the electrical system to shut down and the engine to stall while d
Dealers will replace the ignition switch, free of charge. Owner notification letters were mailed Fe
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2020-2021 Jetta and Jetta GLI vehicles. The air bag control module was welded in the incorrect position.
Incorrect positioning of the air bag control module can cause the vehicle's air bags to deploy impro
Dealers will replace the air bag control module, free of charge. Owner notification letters were ma
Volkswagen Group of America, Inc. (Volkswagen ) is recalling certain 2020 Volkswagen Atlas Cross Sport, Jetta, Jetta GLI and Tiguan and Audi Q5 and SQ5 and 2021 Volkswagen Atlas vehicles. Parts of th
In the event of a rear-end crash, the backrest adjustment could break, possibly reducing the amount
Volkswagen will notify owners, and dealers will inspect the front seats, and, as necessary, replace
Volkswagen Group of America, Inc. (Volkswagen) is recalling one 2020 Jetta vehicle. The front brake caliper bolts may come loose.
If a brake caliper bolt comes loose, it may affect the vehicle's brake performance, increasing the r
Volkswagen will notify the owner, and a dealer will replace all four front brake caliper bolts, free
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain front-wheel drive 2015-2020 Audi A3 Sedan, 2015-2019 Audi A3 Cabriolet, 2019-2020 Volkswagen Jetta GLI, 2018 Golf Sportwagen GP, 201
A fuel leak in the presence of an ignition source increases the risk of a fire.
Dealers will replace the suction pump, free of charge. Final owner notification letters for Audi ow
Difference between Component fluid leakage and seepage
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
Moisture Accumulation
customer reports that the vehicle performed an unwarranted Autonomous Emergency Braking (AEB).
Safety Related Inquiry and Reporting
Damage Inspection of Park assist sensors
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
Paint color and/or finish of the engine compartment may not match the exterior paint color
Showing the 8 most recent of 477 technical service bulletins on file with NHTSA.
MY CAR ROLLED INTO A WALL ON THE OTHER SIDE OF A PARKING LOT WHILE I WAS INSIDE THE OPPOSITE BUILDING. THERE IS NO ALERT/INDICATOR/NOTIFICATION THAT THE E-BRAKE IS ENGAGED. THERE ARE ALERTS FOR THE SE
MY CAR ROLLED INTO A WALL ON THE OTHER SIDE OF A PARKING LOT WHILE I WAS INSIDE THE OPPOSITE BUILDING. THERE IS NO ALERT/INDICATOR/NOTIFICATION THAT THE E-BRAKE IS ENGAGED. THERE ARE ALERTS FOR THE SE
There is a spring that it out of place and when I turned to get out of the seat it scratched my back.
The contact owns a 2020 Volkswagen Jetta. The contact stated while driving 65 MPH, the panoramic sunroof shattered without impact. The contact stated that he was cut by shards of falling glass from th
Volkswagen mandatory software update/campaign 24Fi corrupted the OCU/Telematics firmware on my vehicle. This firmware corruption deactivated the critical emergency SOS safety system (Automatic Crash N
Showing the 5 most serious of 78 complaints filed with NHTSA.
