Toyota Tacoma
U0140
The U0140 code on a 2016-present Toyota Tacoma N300 indicates a communication issue between the vehicle’s control modules, specifically that the ECM (Engine Control Module) is unable to communicate with one or more other modules.
1 SolutionU-CodeNetwork
U
Error Code Type
Network
Components
1 affected
Electrical
Symptoms
5 common
- •Check engine light illuminated
- •Inability to start the vehicle
- •Erratic behavior of electrical components (e.g., windows, lights)
- +2 more
Most Affected Generations
1 generation
N300
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 U0140 across all generations.