U0678

Lost Communication With Fuel Level Sensor C

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$9–39 (est.)

Symptoms

Inaccurate fuel level readings on the dashboard
Check Engine light comes on
Problems with calculating fuel consumption
Unstable engine operation

Causes

Fuel level sensor C malfunction
Open or short circuit in wiring
Problems with sensor connectors
ECU malfunction
Grounding problems

How to Fix

Check the integrity of the sensor wiring and connectors
Check the resistance of fuel level sensor C
Replace the fuel level sensor if necessary
Check the operation of the computer

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