OBD Guide

U010A

Lost Communication With Exhaust Gas Recirculation Control Module A

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine idling
  • Problems with passing the environmental test

Causes

  • Open or short circuit in wiring to EGR module
  • EGR control module malfunction
  • Connector problems or contact corrosion
  • ECU software failures
  • Problems with EGR module power supply

How to Fix

  1. Check the integrity of the wiring and connectors to the EGR module
  2. Check fuses related to the EGR system
  3. Diagnose the EGR module for faults
  4. Check and, if necessary, update ECU software
  5. If necessary, replace the EGR control module

Related codes

Error U010A by Vehicle Brand