Vehicle Speed Sensor Range/Performance Problem

Table of contents

P1791 ACURA Possible Causes

  • Faulty Vehicle Speed Sensor
  • Vehicle Speed Sensor harness is open or shorted
  • Vehicle Speed Sensor circuit poor electrical connection

How do I fix code P1791 ACURA?

  Check 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.

Cost of diagnosing the P1791 ACURA code

  The cost of diagnosing the P1791 ACURA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1791 ACURA Description

  The Vehicle Speed Sensor (VSS) is driven by the differential. It generates a pulsed signal from an input 5 volts. The number of pulses per minute increases/decreases with the speed of the vehicle.


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