OBD Guide

U0676

Lost Communication With Fuel Level Sensor A

U0676 is an OBD-II diagnostic trouble code meaning: Lost Communication With Fuel Level Sensor A. Common causes: open or short circuit in the fuel level sensor circuit, fuel level sensor malfunction. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect fuel level readings on the dashboard
  • Fuel level arrow does not work
  • The low fuel indicator comes on when the tank is full
  • The error is stored in the ECU memory

Causes

  • Open or short circuit in the fuel level sensor circuit
  • Fuel level sensor malfunction
  • Poor contact in sensor connectors
  • Wiring harness damage
  • ECU malfunction

How to Fix

  1. Check the continuity of the fuel level sensor circuit
  2. Inspect the sensor connectors for oxidation or damage.
  3. Check the resistance of the fuel level sensor
  4. If necessary, replace the fuel level sensor
  5. Check the performance of the ECU

Related codes

Error U0676 by Vehicle Brand

FAQ

What does the U0676 code mean?

U0676 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Fuel Level Sensor A

What causes a U0676 error code?

The most common causes of U0676 include: Open or short circuit in the fuel level sensor circuit; Fuel level sensor malfunction; Poor contact in sensor connectors; Wiring harness damage.

How do I fix a U0676 diagnostic trouble code?

To fix U0676: Check the continuity of the fuel level sensor circuit. Inspect the sensor connectors for oxidation or damage.. Check the resistance of the fuel level sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0676?

Yes, but get it checked soon

How much does it cost to fix U0676?

The estimated repair cost for U0676 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat