OBD Guide

P2068

Fuel Level Sensor B Circuit High

P2068 is an OBD-II diagnostic trouble code meaning: Fuel Level Sensor B Circuit High. Common causes: short circuit in the sensor circuit to ground, fuel level sensor b malfunction. Estimated repair cost: $17–67.

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

FAQ

What does the P2068 code mean?

P2068 is an OBD-II diagnostic trouble code that indicates: Fuel Level Sensor B Circuit High

What causes a P2068 error code?

The most common causes of P2068 include: Short circuit in the sensor circuit to ground; Fuel level sensor B malfunction; Wiring harness damage; Poor contact in the sensor connector.

How do I fix a P2068 diagnostic trouble code?

To fix P2068: Check resistance of fuel level sensor B. Inspect the wiring harness for damage. Check connections and contacts in connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2068?

Limited driving only, diagnose soon

How much does it cost to fix P2068?

The estimated repair cost for P2068 is $17–67. Actual cost depends on your vehicle, location, and labor rates.

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