P1540 AUDI - VSS Signal Too High
P1540 AUDI Possible Causes
- Faulty Vehicle Speed Sensor
- Faulty Instrument cluster
- Vehicle Speed Sensor harness is open or shorted
- Vehicle Speed Sensor circuit poor electrical connection
How is the P1540 AUDI code repair?Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
What is the cost to diagnose the P1540 AUDI code
Labor: 1.0The cost to diagnose the P1540 AUDI code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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- Engine Light ON (or Service Engine Soon Warning Light)
P1540 AUDI MeaningThe Vehicle Speed Sensor (VSS)outputs a pulse signal which is transmitted to the Transmission Control Module (TCM) where it is converted to vehicle speed. The transfer clutch drum is connected directly to the rear wheel driving propeller shaft. Vehicle speed sensor 1 on the AWD model detects rear-wheel speed.
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