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Re: 05 silverado can't program ecm error codeE4399
Posted to Technical Discussion Forum on 2/27/2024 5 Replies

Reman module so nothing on it at all. All other modules I can read/see, only code is an air bag sensor. SPS hooks up asks all the normal stuff, I get to the part where click on what I want to program and that is it. Hooked up the old module which has dead fuel... Login to read more.

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