I’ll check this out tomorrow once I go back to work. Thanks guys. When u said check fuses is there fuses on the abs ecm? Cuz I checked all other fuses for abs in the fuse panel box but found nothing. That’s blown.
ABS PROBLEM!!
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Perchie15, Jul 16, 2022.
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Check the cord at truck and trailer connections
Might be as simple as cleaning and carefully opening the male side of the plug a bit
They can break so just a flat screwdriver and spread them some -
Which ABS system do you have? There should be a label on the ECU.
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2020 is on the years of change over for datalinks on the 9 pin. If a 19 truck you may need a y adapter to talk. If 2020 VECU truck it will be old school c&d hook up. It may just be that your diagnostic tool is not looking for the ECU on the right datalink.
Bendix has access to EC 80 service and wiring info online. But it’s generic to the module and not vehicle specific.Rideandrepair Thanks this. -
Rideandrepair Thanks this.
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Yes normally when the chuff test does not cycle the ECU is not powered up or has an internal issue.
Rideandrepair Thanks this. -
Last edited: Jul 18, 2022
Rideandrepair Thanks this. -
Post your last 6 up. I don’t have access to KW harness w/o a harness number.
@spsauerland can most likely hook you up.Rideandrepair Thanks this.
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