What causes B1812 on a Toyota?

Second stage squib wire shorted to ground Faulty spiral cable at the steering wheel Corroded or loose squib connector Failed center airbag sensor assembly Chafed harness behind the steering pad

How do I fix B1812 on a Toyota?

Disconnect the battery and wait before touching SRS circuits Confirm the code with an SRS-capable scan tool Inspect and reseat the squib connector Test the squib circuit for opens and shorts Replace the airbag part only after tests fail

B1812 Short to ground in the driver side squib second step circuit

Q: What does B1812 mean on a Toyota?

B1812. Short to ground in the driver side squib second step circuit. The second stage of the driver airbag loop touches ground and the SRS light stays on. Applies to Toyota, Lexus and Scion models that use this code.

Category: Body
Severity: Airbag Light
Applies to: Toyota, Lexus and Scion models that use this code

What does B1812 mean on a Toyota?

B1812. Short to ground in the driver side squib second step circuit. The second stage of the driver airbag loop touches ground and the SRS light stays on. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.

Common causes of B1812

Second stage squib wire shorted to ground
Faulty spiral cable at the steering wheel
Corroded or loose squib connector
Failed center airbag sensor assembly
Chafed harness behind the steering pad

How to fix B1812

Disconnect the battery and wait before touching SRS circuits
Confirm the code with an SRS-capable scan tool
Inspect and reseat the squib connector
Test the squib circuit for opens and shorts
Replace the airbag part only after tests fail