OBD Guide

P2068

Fuel Level Sensor B Circuit High

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Incorrect fuel level readings on the dashboard
  • Check Engine Light
  • Unstable fuel level readings
  • Errors in calculating remaining mileage
  • The system can show a full tank when the tank is incomplete

Causes

  • Short circuit in the sensor circuit to ground
  • Fuel level sensor B malfunction
  • Wiring harness damage
  • Poor contact in the sensor connector
  • Control unit malfunction

How to Fix

  1. Check resistance of fuel level sensor B
  2. Inspect the wiring harness for damage
  3. Check connections and contacts in connectors
  4. Check the voltage in the sensor circuit
  5. If necessary, replace fuel level sensor B

Related codes

Error P2068 by Vehicle Brand