OBD Guide

P1735

Speed Sensor Reference High

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect gear shifting
  • Enabling emergency transmission mode
  • Incorrect speedometer readings
  • Check engine light comes on
  • Reduced vehicle dynamics

Causes

  • Speed sensor malfunction
  • Damage to the sensor wiring harness
  • Short circuit in the sensor circuit
  • Grounding problems
  • Mechanical damage to the drive shaft

How to Fix

  1. Check the condition of the speed sensor and its connection
  2. Check the integrity of the wiring harness
  3. Measure the resistance and voltage in the sensor circuit
  4. Periodically clean contacts and connectors
  5. If necessary, replace the speed sensor

Related codes

Error P1735 by Vehicle Brand