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International Automotive Technicians Network
Re: 2003 Chev Cavalier
Posted to Technical Discussion Forum on 1/28/2009

[...trimmed text...]

Hello Earl. Can you clarify this,

"I have check power and grounds to the PCM and the BCM, I unhooked Class 2 serial data to the radio, instrument cluster, and the PCM and attempted to communicate w... Login to read more.