Honda Accord
U0402
The U0402 code indicates an invalid data received from the engine control module (ECM) in a Honda Accord 10th Generation (2018-2022). This typically suggests a communication issue between the ECM and other control modules.
1 SolutionU-CodeNetwork
U
Error Code Type
Network
Components
1 affected
Electrical
Symptoms
6 common
- •Check engine light illuminated
- •Erratic or unresponsive vehicle controls
- •Engine stalling or rough idling
- +3 more
Most Affected Generations
1 generation
CP/CS
1
Top Affected Components
1 component
Electrical
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 U0402 across all generations.