OBD Guide

B011F

Fluid Reservoir Level Sensor D

B011F is an OBD-II diagnostic trouble code meaning: Fluid Reservoir Level Sensor D. Common causes: liquid level sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $22–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • False fluid level readings
  • Fault indicator is on
  • Inability to check fluid level via on-board computer

Causes

  • Liquid level sensor malfunction
  • Open or short circuit in the sensor circuit
  • Wiring harness damage
  • Problems with the control unit

How to Fix

  1. Check the fluid level in the reservoir
  2. Check the integrity of the sensor and its connections
  3. Check wiring harness for damage
  4. Replace sensor if necessary
  5. Reset the error code and check if it returns

Related codes

Error B011F by Vehicle Brand

FAQ

What does the B011F code mean?

B011F is an OBD-II diagnostic trouble code that indicates: Fluid Reservoir Level Sensor D

What causes a B011F error code?

The most common causes of B011F include: Liquid level sensor malfunction; Open or short circuit in the sensor circuit; Wiring harness damage; Problems with the control unit.

How do I fix a B011F diagnostic trouble code?

To fix B011F: Check the fluid level in the reservoir. Check the integrity of the sensor and its connections. Check wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B011F?

Limited driving only, diagnose soon

How much does it cost to fix B011F?

The estimated repair cost for B011F is $22–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat