Having problems with your 2002 Chevrolet Impala ?

My ABS brakes went out and was fixed but I now get a buzzing sound as I am driving. Any ideas what it could be?

Posted / edited by AnonymousUser on : 01-03-2021

Answers :

I think this is what happened to me. My ABS and traction control lights would come on for no reason. The buzzing noise you are hearing is the ABS being engaged.
\015\012The problem is the wiring harnesses of the speed sensors in the front wheels. GM routed them in bad spot so they'll rub against the tie rods. Over time, the wires get exposed and create a short causing the ABS and/or traction control to engage.
\015\012The solution is to replace the harnesses. It is a very easy fix and cost should be minimal. I think I paid $60 for the harnessess and took an hour to splice them in. Before I found the solution, I read a lot of posts from people getting hosed by dealerships. They spent a lot of money on new ECM, ABSs, wheel hubs etc and it never fixed the problem. Seems like some dealers or shops are in the dark about the real cause.
\015\012Hope this helps. It worked for me. GM should've had a recall.
Bring it back to the shop and till them to fix it...
Repair Help & Product Troubleshooting for 2002 Chevrolet Impala

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