Toyota Tacoma
U0121
The U0121 code indicates a loss of communication with the Anti-lock Brake System (ABS) Control Module in a 2016-present Toyota Tacoma N300.
1 SolutionU-CodeNetwork
U
Error Code Type
Network
Components
1 affected
Brakes
Symptoms
5 common
- •Check engine light illuminated
- •ABS warning light illuminated
- •Loss of traction control functionality
- +2 more
Most Affected Generations
1 generation
N300
1
Top Affected Components
1 component
Brakes
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 U0121 across all generations.