ECU gone bad??

[ToyotaTrk]

Can an ECU go bad but give no error code when scanned by OBD?

 

[CharlieS]

Yes, absolutely

 

[bentonrover]

So what happened? What makes you think it's the ECU?

 

[ToyotaTrk]

Yes, absolutely

So is there a way to test it?

 

[ToyotaTrk]

So what happened? What makes you think it's the ECU?

In this thread:

Headlight Auto Leveling help - https://forum.ih8mud.com/threads/headlight-auto-leveling-help.1301837/#post-14785353

Trying to figure out why the auto leveling headlights no longer auto level. I’m thinking it’s the ECU…. Don’t know what else to check???