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.
Fuel Level Sensor, Connector Assignment
-- Disconnect the 5 pin electrical connector from the flange of the fuel tank. Refer to Diagnosis and Testing .
Terminal Assignment of the 5 Pin Connector for the fuel level sensor -G-
- Transfer Fuel Pump (FP) -G6- switched positive
- Wire connection from the fuel level sensor to the instrument cluster (sensor mass) - pin 5
- Wire connection from the fuel level sensor to the instrument cluster (fuel gauge) - pin 7
- Wire connection from the fuel level sensor to the instrument cluster (fuel gauge) - pin 6
- Transfer FP ground
On vehicles with Fuel Straight Injection (FSI) and Turbo Fuel Straight Injection (TFSI) engines, pins -2, 3 and 4- are looped through the FP control module -J538-.
NO RELATED
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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.