PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

abs and pcm communicate??

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Old Jun 12, 2006 | 05:57 PM
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Default abs and pcm communicate??

Just wondering here in Mass inspection is done by obd2 plug in.If the abs light is on and its not working would this be found in a obd2 scan?
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Old Jun 14, 2006 | 05:14 PM
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ABS is not an emissions related code. I don't think you'll have a problem - then again, i'm in TX and not familliar with your inspection process.
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Old Jun 14, 2006 | 05:37 PM
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abs is in the bcm not pcm. and should not effect inspection.
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Old Jun 14, 2006 | 09:37 PM
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ABS/TCS, BCM, PCM, IPC,TAC & VATS are all seperate modules.
Only the PCM supports OBD-II diagnostics. It is the only one required to communicate emissions info. They do all communicate w/ each other, but no OBD-II code will be generated. So you should be fine in that aspect.
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Old Jun 14, 2006 | 10:36 PM
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unless it has to do with the torque requested and torque delivered circuits(for traction control), or the abs module isnt communicating with the pcm. you will have no codes in the pcm that are abs related
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Old Jun 14, 2006 | 11:00 PM
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Mass. will do a visual check, followed by an OBD2 scan. This scan pertains only to emissions related faults. So that ABS light will be of no concern to them. It won't even be picked up by the computer.
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Old Jun 19, 2006 | 03:47 PM
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The abs computer has its own line to the diagnostic port...
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Old Jun 19, 2006 | 10:58 PM
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They all talk to each other on a LAN system guys.
It is all GM dianostics though to access it. I.E TECH-II
The OBD system is a generic standardized emission fuction the PCM solely supports on our vehicles.
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