Toyota Tacoma
U0100
The U0100 code indicates a loss of communication with the Transmission Control Module (TCM) in a 2016-present Toyota Tacoma N300. This can lead to various drivability issues.
8 SolutionsU-CodeNetwork
U
Error Code Type
Network
Components
2 affected
TransmissionElectrical
Symptoms
10 common
- •Check engine light illuminated
- •Transmission stuck in limp mode
- •Erratic shifting or inability to shift
- +7 more
Most Affected Generations
1 generation
N300
8
Top Affected Components
2 components
Electrical
7
Transmission
1
Severity Levels
1 level
high
8
Quick Facts
8
Total Solutions
2
Affected Components
10
Common Symptoms
1
Generations
All Solutions
Showing 8 of 8 solutions for error code U0100 across all generations.