GMC Sierra
B1000
The B1000 code for the GMC Sierra T1XX (2019-Present) indicates a malfunction in the body control module (BCM), specifically related to the configuration or communication issues within the body control systems.
1 SolutionB-CodeBody
B
Error Code Type
Body
Components
1 affected
Electrical
Symptoms
6 common
- •Check engine light illuminated
- •Malfunctioning interior lights
- •Inoperative power windows or locks
- +3 more
Most Affected Generations
1 generation
T1XX
1
Top Affected Components
1 component
Electrical
1
Severity Levels
1 level
medium
1
Quick Facts
1
Total Solutions
1
Affected Components
6
Common Symptoms
1
Generations
All Solutions
Showing 1 of 1 solution for error code B1000 across all generations.