B0091

Left Side Restraints Sensor 1

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Airbag light is on
The passive safety system may not work in an accident.
Error B0091 is stored in the ECU memory

Causes

Restraint sensor malfunction
Open or short circuit in wiring harness
Contact corrosion
Problems with the security control module

How to Fix

Check the integrity of the wiring harness to the sensor
Check the condition of the sensor contacts
Replace the faulty sensor if necessary
Clear error memory and check if error is returned

Related codes

B0090 B0092 B0093