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abs inop and trac wont lights on, tried body scan but says cant communicate with BCM

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Old 03-09-2008, 04:08 PM
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Default abs inop and trac wont lights on, tried body scan but says cant communicate with BCM

i changed my rotors on my 02 ta and ever since these lights have been on and i have no abs or traction control....... i took it to school and used one of our snapon tech 2's and it says can not communicate with the BCM or body control module...any ideas?????????????
Old 03-09-2008, 09:45 PM
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you may have a ground issue. check alldata, gm, etc to get a flow chart of no comm with bcm. same thing happened on my 96 and it just had a bad ground. sanded it down and it was fine.
Old 03-09-2008, 11:32 PM
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+1 it sounds like a ground issue . also double check around where you did your mods .
Old 03-10-2008, 10:36 AM
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ill check the grounds today
Old 03-10-2008, 01:35 PM
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Make sure the cig lighter fuse is good also. If it's popped you won't be able to connect to any module.




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