Where and how to troubleshoot icm? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-13-2006, 06:04 PM   #1
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Default Where and how to troubleshoot icm?

Alright.. so talkin to billlyboost-o ( the dealer ) :pimp: bout the crankshaft sensor circuit error
DTC P0336 Crankshaft Position (CKP) Sensor Circuit

And I will troubleshoot to ensure it'* not a loose coil pack causing it and get the ohms reading for it

but accordin to his manual.. it also says to check the icm??

Err.. where is it?? and how do I troubleshoot that?
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Old 03-13-2006, 06:06 PM   #2
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Ed will sell you a ICM for $20 if you need one to try......
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Old 03-14-2006, 07:57 PM   #3
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Thanx.. I will keep that in mind..

But I like to know how to troubleshoot and find out if thats the problem or not.. remember.. I deal in CAD.. the exchange rate isn't as high as it use to be.. but they love to get you to bend over for duties.. so I"m avoidin that route if I can find out if thats causing my CES.. then I would go that way
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Old 03-15-2006, 09:35 AM   #4
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No manual with me to check for ICM test...

However also check/clean your grounds, unhook the ICM wiring and clean/check as necessary.

That code diagnostics say to give it all a try. Mine was easy as a loose coil.
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Old 03-15-2006, 07:04 PM   #5
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Coil pack readings from front of car to back

6.02
6.10
6.15

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