Hello and yes, before we go any further, let me just state that I was assuming you had a J1939 databus fault with all the multiple failures and thought you had a way of pulling actual fault codes with some type of "code reader, laptop, prolink, ect", I see now your relying on the Dash Information Center-telematics to lead you in the right direction so that you can make it home? You can do that now if road speed is the only issue. Permanent repair- possibly depending on year (transmission speed sensor/wiring or abs controller/wiring). With everything in place, will the truck run and move? What does the telematics say (should have a rotary switch that allows you to scroll through all of the faults).The yellow and green wires are signal wires that are twisted together and sometimes jacketed, I have seen 3-wire jacketed. Resistance measurements between the two should be 120 ohms from either an internal component resistor or an inline harness resistor unless otherwise stated (60 ohm's) during flow chart testing. Any readings you now get with any wire(s) are meaningless without a schematic and a basic knowledge of that system except maybe an obvious case ground. Anyway whatever you've done you've obviously regained some or most of your systems back. Again I'm here to help and I don't want to waste your time with CAN-bus if there is no J1939 databus fault code, not for the faint of heart. I am back at the beginning, will the truck move and what does the telematics say.
Volvo vnl Multiple ecm's problems out of nowhere
Discussion in 'Volvo Forum' started by Andyvolvo, Oct 11, 2018.
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