GMC Sierra
C0242
The GMC Sierra T1XX (2019-Present) is showing a C0242 code, indicating a possible issue with the vehicle's anti-lock braking system (ABS) or traction control system.
4 SolutionsC-CodeChassis
C
Error Code Type
Chassis
Components
1 affected
Brakes
Symptoms
10 common
- •ABS warning light illuminated on the dashboard
- •Traction control light activated
- •Possible loss of ABS function
- +7 more
Most Affected Generations
1 generation
T1XX
4
Top Affected Components
1 component
Brakes
4
Severity Levels
1 level
high
4
Quick Facts
4
Total Solutions
1
Affected Components
10
Common Symptoms
1
Generations
All Solutions
Showing 4 of 4 solutions for error code C0242 across all generations.