OBD Guide

P25DB

Fuel Level Sensor C Circuit Intermittent

P25DB is an OBD-II diagnostic trouble code meaning: Fuel Level Sensor C Circuit Intermittent. Common causes: fuel level sensor c malfunction, open or short circuit in the sensor circuit. 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 indicator flashing
  • Check Engine Light Illuminates
  • Problems with calculating fuel consumption
  • Intermittent sensor operation

Causes

  • Fuel level sensor C malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • Corrosion of contacts or wiring
  • Problems with the ECU

How to Fix

  1. Check the continuity of the fuel level sensor C circuit
  2. Inspect connectors and contacts for damage and corrosion
  3. Check the resistance of the fuel level sensor
  4. Replace the fuel level sensor if necessary
  5. Clean or replace damaged wires

Related codes

Error P25DB by Vehicle Brand

FAQ

What does the P25DB code mean?

P25DB is an OBD-II diagnostic trouble code that indicates: Fuel Level Sensor C Circuit Intermittent

What causes a P25DB error code?

The most common causes of P25DB include: Fuel level sensor C malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Corrosion of contacts or wiring.

How do I fix a P25DB diagnostic trouble code?

To fix P25DB: Check the continuity of the fuel level sensor C circuit. Inspect connectors and contacts for damage and corrosion. Check the resistance of the fuel level sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P25DB?

Yes, but get it checked soon

How much does it cost to fix P25DB?

The estimated repair cost for P25DB is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat