OBD Guide

P1936

Fuel Level Signal

P1936 is an OBD-II diagnostic trouble code meaning: Fuel Level Signal. Common causes: fuel level sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Inaccurate fuel level readings on the dashboard
  • Fuel level arrow does not work
  • Low fuel indicator flashes
  • Unable to determine remaining fuel
  • Error on the dashboard

Causes

  • Fuel level sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Problems with the control unit
  • Contact corrosion

How to Fix

  1. Check the resistance of the fuel level sensor
  2. Inspect the sensor wiring and connectors
  3. Check the voltage in the sensor circuit
  4. Replace the fuel level sensor if necessary
  5. Check the operation of the control unit

Related codes

FAQ

What does the P1936 code mean?

P1936 is an OBD-II diagnostic trouble code that indicates: Fuel Level Signal

What causes a P1936 error code?

The most common causes of P1936 include: Fuel level sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Problems with the control unit.

How do I fix a P1936 diagnostic trouble code?

To fix P1936: Check the resistance of the fuel level sensor. Inspect the sensor wiring and connectors. Check the voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1936?

Yes, but get it checked soon

How much does it cost to fix P1936?

The estimated repair cost for P1936 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat