Toyota RAV4
U0300
The U0300 code indicates a communication problem with the vehicle's control modules, specifically that the PCM (Powertrain Control Module) is not receiving or sending signals correctly on a 2019-2024 Toyota RAV4 XA50.
1 SolutionU-CodeNetwork
U
Error Code Type
Network
Components
1 affected
Electrical
Symptoms
5 common
- •Check engine light illuminated
- •Poor engine performance or stalling
- •Inconsistent throttle response
- +2 more
Most Affected Generations
1 generation
XA50
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 U0300 across all generations.