Hummer 2003 h2 “ unknown driver”

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Oct 23, 2024 | 10:52 AM

Richard nicholson

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Junior Member

Joined: Oct 2024

Posts: 1

Hummer 2003 h2 “ unknown driver”

I have the unknown driver, half my electricals don’t work, I have replaced the ECM and the BCM with no luck. Any help I sure would appreciate it.

Oct 23, 2024 | 12:28 PM

bronxteck

Senior Member

Joined: Apr 2019

Posts: 3,192

From: BX NY North East

if half the electricals dont work then you probably need to locate and clean your chassis ground points around the vehicle especialy the ones on the chassis underneath.

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Hummer 2003 h2 ? unknown driver?

Hummer 2003 h2 “ unknown driver”