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They replaced the Integration Relay first and issue was not resolved. (I verified the horn was not working after solely replacing the IR.) It was...
Just to follow up, the dealership said it was both the spiral cable and the integration relay that failed. Charged 1k for the fixes smh.
Wow, thank YOU! for the detailed response and for providing the wiring diagram and relay diagram. The logic makes complete sense, and it’s helped...
any update on how this was resolved? Facing similar issue.
I'm facing similar issue and trying to troubleshoot. Did the other buttons on your steering wheel work? For me, it's just the horn that doesn't...
I'm running into similar issue. The rest of the buttons on steering wheel work just fine for me. Was that your experience, too? @Delo404
[ATTACH] Hey everyone, I'm trying to troubleshoot a horn issue I'm experiencing on my 2010 Toyota Prius III. The passenger-side horn is working...
