OBD Guide

P25D7

Fuel Level Sensor C Circuit

P25D7 is an OBD-II diagnostic trouble code meaning: Fuel Level Sensor C Circuit. Common causes: open or short circuit in the sensor circuit, fuel level sensor c 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
  • Complete absence of fuel level readings
  • Flashing fuel level indicator
  • Incorrect operation of the fuel level indicator

Causes

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

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Measure the resistance of the fuel level sensor
  3. Check the voltage in the sensor circuit
  4. Replace the fuel level sensor if necessary
  5. Clean contacts from corrosion

Related codes

Error P25D7 by Vehicle Brand

FAQ

What does the P25D7 code mean?

P25D7 is an OBD-II diagnostic trouble code that indicates: Fuel Level Sensor C Circuit

What causes a P25D7 error code?

The most common causes of P25D7 include: Open or short circuit in the sensor circuit; Fuel level sensor C malfunction; Poor contact in connectors; Corrosion of contacts or wiring.

How do I fix a P25D7 diagnostic trouble code?

To fix P25D7: Check the integrity of the sensor wiring and connectors. Measure the resistance of the fuel level sensor. Check the voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P25D7?

Yes, but get it checked soon

How much does it cost to fix P25D7?

The estimated repair cost for P25D7 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat