GMC Sierra
B0040
The code B0040 for a GMC Sierra T1XX (2019-Present) indicates an issue with the passenger side airbag system, specifically related to the passenger presence system. This code signifies that the system has detected a malfunction that may affect the deployment of the airbag in the event of a collision.
1 SolutionB-CodeBody
B
Error Code Type
Body
Components
1 affected
Electrical
Symptoms
5 common
- •Airbag warning light illuminated on the dashboard
- •Passenger airbag status light may show 'OFF' when a passenger is present
- •Inconsistent airbag deployment in a crash simulation
- +2 more
Most Affected Generations
1 generation
T1XX
1
Top Affected Components
1 component
Electrical
1
Severity Levels
1 level
high
1
Quick Facts
1
Total Solutions
1
Affected Components
5
Common Symptoms
1
Generations
All Solutions
Showing 1 of 1 solution for error code B0040 across all generations.