OBD Guide

U010A

Lost Communication With Exhaust Gas Recirculation Control Module A

U010A is an OBD-II diagnostic trouble code meaning: Lost Communication With Exhaust Gas Recirculation Control Module A. Common causes: open or short circuit in wiring to egr module, egr control module malfunction. Estimated repair cost: $56–278.

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

FAQ

What does the U010A code mean?

U010A is an OBD-II diagnostic trouble code that indicates: Lost Communication With Exhaust Gas Recirculation Control Module A

What causes a U010A error code?

The most common causes of U010A include: Open or short circuit in wiring to EGR module; EGR control module malfunction; Connector problems or contact corrosion; ECU software failures.

How do I fix a U010A diagnostic trouble code?

To fix U010A: Check the integrity of the wiring and connectors to the EGR module. Check fuses related to the EGR system. Diagnose the EGR module for faults. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U010A?

Yes, but get it checked soon

How much does it cost to fix U010A?

The estimated repair cost for U010A is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat