OBD Guide

U064E

Lost Communication With EGR Cooler Bypass Position Sensor Bank 1

U064E is an OBD-II diagnostic trouble code meaning: Lost Communication With EGR Cooler Bypass Position Sensor Bank 1. Common causes: open or short circuit in the sensor circuit, egr cooler bypass position sensor malfunction. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Deterioration in acceleration dynamics
  • Increased fuel consumption
  • Unstable operation at idle

Causes

  • Open or short circuit in the sensor circuit
  • EGR cooler bypass position sensor malfunction
  • Problems with the connector or wiring harness
  • EGR cooler malfunction
  • Problems with the engine ECU

How to Fix

  1. Check the integrity of the sensor circuit
  2. Check the connector and wiring harness for damage
  3. Test EGR cooler bypass position sensor
  4. Check the operation of the EGR cooler
  5. If necessary, replace the EGR sensor or cooler

Related codes

Error U064E by Vehicle Brand

FAQ

What does the U064E code mean?

U064E is an OBD-II diagnostic trouble code that indicates: Lost Communication With EGR Cooler Bypass Position Sensor Bank 1

What causes a U064E error code?

The most common causes of U064E include: Open or short circuit in the sensor circuit; EGR cooler bypass position sensor malfunction; Problems with the connector or wiring harness; EGR cooler malfunction.

How do I fix a U064E diagnostic trouble code?

To fix U064E: Check the integrity of the sensor circuit. Check the connector and wiring harness for damage. Test EGR cooler bypass position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U064E?

Yes, but get it checked soon

How much does it cost to fix U064E?

The estimated repair cost for U064E is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat