B011E

Fluid Reservoir Level Sensor C

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Airbag light is on
Passive safety system memory error
Inability to activate pretensioners during diagnostics

Causes

Liquid level sensor malfunction
Liquid leak from reservoir
Open or short circuit in wiring harness
Poor contact in the sensor connector
Low fluid level in reservoir

How to Fix

Check fluid level in circuit C reservoir
Visually inspect the tank and sensor for leaks
Check the integrity of the wiring harness and the condition of the contacts
Test sensor resistance (compare with specifications)
If necessary, replace the sensor or add fluid

Related codes

B011A B011B B011C B011D