OBD Guide

U069D

Lost Communication With Exhaust Gas Temperature Sensor Bank 2 Sensor 4

U069D is an OBD-II diagnostic trouble code meaning: Lost Communication With Exhaust Gas Temperature Sensor Bank 2 Sensor 4. Common causes: open or short circuit in wiring harness, poor contact in the egt sensor connector. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced engine power
  • Increased fuel consumption
  • Incorrect operation of the exhaust gas recirculation system
  • Possible misfires

Causes

  • Open or short circuit in wiring harness
  • Poor contact in the EGT sensor connector
  • Exhaust temperature sensor malfunction
  • Problems with the engine control unit
  • Corroded contacts or damaged wires

How to Fix

  1. Check the integrity of the wiring harness to the EGT sensor
  2. Inspect the sensor connector for damage and corrosion.
  3. Check the resistance of the exhaust temperature sensor
  4. Replace EGT sensor if necessary
  5. Check and update ECU firmware if manufacturer's recommendations are available

Related codes

Error U069D by Vehicle Brand

FAQ

What does the U069D code mean?

U069D is an OBD-II diagnostic trouble code that indicates: Lost Communication With Exhaust Gas Temperature Sensor Bank 2 Sensor 4

What causes a U069D error code?

The most common causes of U069D include: Open or short circuit in wiring harness; Poor contact in the EGT sensor connector; Exhaust temperature sensor malfunction; Problems with the engine control unit.

How do I fix a U069D diagnostic trouble code?

To fix U069D: Check the integrity of the wiring harness to the EGT sensor. Inspect the sensor connector for damage and corrosion.. Check the resistance of the exhaust temperature sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U069D?

Yes, but get it checked soon

How much does it cost to fix U069D?

The estimated repair cost for U069D is $33–89. Actual cost depends on your vehicle, location, and labor rates.

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