OBD Guide

P2162

Vehicle Speed Sensor A/B Correlation

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

Symptoms

  • Check Engine Light Is On
  • Incorrect speedometer readings
  • Problems with cruise control
  • Errors in related systems (ABS, ESP)
  • Reduced engine performance

Causes

  • Malfunction of one of the speed sensors
  • Damage to wiring or sensor connectors
  • Mechanical damage to the ring gear (for magnetic sensors)
  • Software error in the ECU
  • Contamination of sensors with metal shavings or dirt

How to Fix

  1. Check the condition and connection of both speed sensors
  2. Clean the sensors from dirt
  3. Check the integrity of wiring and connectors
  4. Compare sensor readings using diagnostic equipment
  5. If necessary, replace the faulty sensor

Related codes

Error P2162 by Vehicle Brand