ABS PROBLEM!!

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Perchie15, Jul 16, 2022.

  1. Perchie15

    Perchie15 Light Load Member

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    Aug 16, 2021
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    I did it with another meter one is 1.90 other is 2.10. And I checked the pins C & D in the j1939. it’s about 1 Volt at the J1939 plug!! So there’s an issue somewhere! Not the computer though right?
     
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  3. Inderjit

    Inderjit Medium Load Member

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    With the key off measure between the J1939 pins and a good ground. You should get an infinite or close to it reading. I doubt there is a problem with any of the devices on the data link more likely a wiring problem.
     
  4. spsauerland

    spsauerland Road Train Member

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    I'd disconnect the ABS ECU and measure voltage @ DLC again.
     
  5. Perchie15

    Perchie15 Light Load Member

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    Aug 16, 2021
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    Yea same thing. 1.90 and 2.10 that was with a different meter. Likely more accurate one being snap on I hope.
     
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