Honda CR-V
U0423
The U0423 code indicates a communication issue with the vehicle's powertrain control module (PCM) regarding a parameter that is invalid or not received from the transmission control module (TCM) on a 2017-2022 Honda CR-V.
1 SolutionU-CodeNetwork
U
Error Code Type
Network
Components
1 affected
Transmission
Symptoms
6 common
- •Check engine light illuminated
- •Transmission shifting problems
- •Erratic engine performance
- +3 more
Most Affected Generations
1 generation
6th Gen
1
Top Affected Components
1 component
Transmission
1
Severity Levels
1 level
high
1
Quick Facts
1
Total Solutions
1
Affected Components
6
Common Symptoms
1
Generations
All Solutions
Showing 1 of 1 solution for error code U0423 across all generations.