OBD Guide

U069E

Lost Communication with Coolant Heater A

U069E is an OBD-II diagnostic trouble code meaning: Lost Communication with Coolant Heater A. Common causes: open or short circuit in the heater circuit, coolant heater malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Interior heating does not work
  • The engine takes a long time to warm up in cold weather
  • Check Engine Light Is On
  • Reduced efficiency of the heating system

Causes

  • Open or short circuit in the heater circuit
  • Coolant heater malfunction
  • Problems with the heater control unit
  • Wiring harness damage
  • Poor contact in connectors

How to Fix

  1. Check the integrity of the heater circuit
  2. Check fuses and relays
  3. Inspect connectors and contacts for corrosion
  4. Check the functionality of the heater
  5. Scan the system for other errors

Related codes

Error U069E by Vehicle Brand

FAQ

What does the U069E code mean?

U069E is an OBD-II diagnostic trouble code that indicates: Lost Communication with Coolant Heater A

What causes a U069E error code?

The most common causes of U069E include: Open or short circuit in the heater circuit; Coolant heater malfunction; Problems with the heater control unit; Wiring harness damage.

How do I fix a U069E diagnostic trouble code?

To fix U069E: Check the integrity of the heater circuit. Check fuses and relays. Inspect connectors and contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U069E?

Yes, but get it checked soon

How much does it cost to fix U069E?

The estimated repair cost for U069E is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat