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B011C

Fluid Reservoir Level Sensor A

Fault on fluid reservoir level sensor A. Tracks fluid level in a wash, brake or coolant reservoir.

  • Check engine light: Yes
  • Emissions related: No
  • Repair difficulty: easy

Symptoms

  • Warning light or symbol related to the affected system
  • Comfort or safety function impaired

Common causes

Ordered by how often each turns out to be the cause.

  • Float or sensor failedCommon

Parts involved

  • Fluid Reservoir Level Sensor A
  • Sensor Wiring

B011C is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.