What are the causes of Audi oil level sensor failure?

[SamanthaRose]

Audi oil level sensor failure causes are as follows: 1. The oil level sensor is faulty. 2. There is an open circuit or poor contact in the connection line between the oil level and the instrument panel. 3. The instrument panel itself is faulty. The treatment measures and fault analysis are as follows: 1. Treatment measures: Replace the oil level sensor, the fault indicator light will no longer illuminate, and the fault is eliminated. 2. Fault analysis: The engine oil level converts the oil surface height and temperature of the engine oil pan into a pulse signal whose width changes with the oil level, and inputs it into the instrument panel ECU. The ECU analyzes and calculates this pulse signal and then outputs a control signal to display the oil level and temperature on the instrument panel, and uses it as the basis for whether the low oil level warning light is illuminated. When the oil level sensor has no signal output, or the signal is not within the normal range, the ECU will illuminate the oil level sensor fault indicator light to remind the driver to repair the fault in time.