OBD Guide

P1715

Input Speed Sensor Primary Speed Sensor

P1715 is an OBD-II diagnostic trouble code meaning: Input Speed Sensor Primary Speed Sensor. Common causes: faulty input shaft speed sensor, open or short circuit in the sensor circuit. Estimated repair cost: $17–67.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Incorrect gear shifting
  • Transmission slipping
  • Transmission of the gearbox into emergency mode
  • Check Engine Light Illuminates
  • Cruise control doesn't work

Causes

  • Faulty input shaft speed sensor
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Mechanical damage to the sensor
  • Transmission control module (TCM) malfunction

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect the sensor connector and contacts for corrosion
  3. Check sensor resistance (compare with factory values)
  4. If necessary, replace the speed sensor
  5. Reset the error and check the operation of the transmission

Related codes

Error P1715 by Vehicle Brand

FAQ

What does the P1715 code mean?

P1715 is an OBD-II diagnostic trouble code that indicates: Input Speed Sensor Primary Speed Sensor

What causes a P1715 error code?

The most common causes of P1715 include: Faulty input shaft speed sensor; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Mechanical damage to the sensor.

How do I fix a P1715 diagnostic trouble code?

To fix P1715: Check the integrity of the sensor circuit. Inspect the sensor connector and contacts for corrosion. Check sensor resistance (compare with factory values). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1715?

Limited driving only, diagnose soon

How much does it cost to fix P1715?

The estimated repair cost for P1715 is $17–67. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat