7 codes J1939 system down
08-29-2020, (Subject: 7 codes J1939 system down ) 
Post: #8
RE: 7 codes J1939 system down
You will get a fault for that particular device but the rest should go inactive if that device is at fault.

Most of these faults can be caused by low voltage being supplied to the aftertreatment system. Make sure you test voltage on these circuits under load.
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 Thanks given by: Rawze , tree98


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RE: 7 codes J1939 system down - Signature620 - 08-29-2020



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