Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSVOLKSWAGEN2012JETTA TDI, 4D WAGON, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 28 (ELECTRICAL SYSTEM - (BATTERY, STARTER, GENERATOR & CRUISE CONTROL) (SEDAN))
2012 Volkswagen Jetta TDI, 4D Wagon, Standard Trans
Section 28 (Electrical System - (Battery, Starter, Generator & Cruise Control) (Sedan))
2012 Volkswagen Jetta TDI, 4D Wagon, Standard TransSECTION Section 28 (Electrical System - (Battery, Starter, Generator & Cruise Control) (Sedan))
WARNING: This page is about a different variant/trim than selected.
- Electrical System (27 Battery, Starter, Generator, Cruise Control)
- General Information
- Description And Operation
- Diagnosis And Testing
- Removal And Installation
- Battery
- Battery, Disconnecting And Connecting
- Battery Tray
- GROUND CABLE WITH Battery Monitoring Control Module -J367-
- Generator
- Generator -C-, 1.2L GASOLINE ENGINE, 77 KW
- Generator -C- , 1.4L GASOLINE ENGINE, 90/110/118 KW
- Generator -C-, 1.6L GASOLINE ENGINE, 77 KW
- Generator -C- , 2.0L GASOLINE ENGINE, 85 KW
- Generator -C- , 2.0L GASOLINE ENGINE, 147 KW
- Generator -C- , 2.5L GASOLINE ENGINE, 125 KW
- Generator -C- , 1.8L GASOLINE ENGINE, 125 KW
- Generator -C-, 1.6L DIESEL ENGINE, 77 KW
- Generator -C- , 2.0L DIESEL ENGINE, 81/103 KW
- Ribbed Belt Pulley
- Voltage Regulator
- Starter
- Starter, 1.6L Gasoline Engine 77 Kw, Automatic Transmission
- Starter , 2.0L Gasoline Engine 85 Kw, Automatic Transmission
- Starter , 2.5L Gasoline Engine 125 Kw, Automatic Transmission
- Starter , 1.8L Gasoline Engine 125 Kw, Automatic Transmission
- Starter, 1.2L Gasoline Engine 77 Kw, DSG Transmission
- Starter , 1.4L Gasoline Engine, 90/110/118 Kw, DSG Transmission
- Starter , 2.0L Gasoline Engine 85 Kw, DSG Transmission
- Starter , 2.0L Gasoline Engine 147 Kw, DSG Transmission
- Starter, 1.6L Diesel Engine 77 Kw, DSG Transmission
- Starter , 2.0L Diesel Engine, 81/103 Kw, DSG Transmission
- Starter, 1.2L Gasoline Engine 77 Kw, Manual Transmission
- Starter, 1.4L Gasoline Engine, 90/110/118 Kw, Manual Transmission
- Starter, 1.6L Gasoline Engine 77 Kw, Manual Transmission
- Starter , 2.0L Gasoline Engine 85 Kw, Manual Transmission
- Starter , 2.0L Gasoline Engine 147 Kw, Manual Transmission
- Starter , 2.5L Gasoline Engine 125 Kw, Manual Transmission
- Starter, 1.6L Diesel Engine 77 Kw, Manual Transmission
- Starter , 2.0L Diesel Engine, 81/103 Kw, Manual Transmission
- Voltage Stabilizer
- Special Tools
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.