OBD Guide

P0319

Rough Road Sensor B Signal Circuit

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Rough engine idling
  • Deterioration of suspension performance
  • Malfunction lamp (Check Engine) lights up
  • Incorrect operation of the stabilization system

Causes

  • Open or shorted sensor wiring harness
  • Rough road sensor B fault
  • Poor contact in the sensor connector
  • Damage to ground circuit
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Check the connection and condition of the sensor connector
  3. Check the resistance and functionality of the sensor
  4. Replace sensor if necessary
  5. Reset the error code and check for its reappearance

Related codes

Error P0319 by Vehicle Brand