I have a 2015 International Prostar with a ISX and an autoshifter trans. It also has a wingman collision mitigation system, I say all the above because I have been unable to resolve the above code. The engine light comes on when the Brake pedal is depressed and then released whether the park brakes are set or not. I have checked all the wiring, connectors, bulkheads, rebuilt the taillights and wiring and replaced the brake light switch. The trouble shooting guide states the pedal position switch is the fault. If there is a second switch could some one tell me where it is located.
Thank you in advance for all your help and advise.
SPN 521 FMI 2
Discussion in 'International Forum' started by Audreyng2001, Jun 8, 2020.
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Behind the kick panel above the brake pedal there is a switch connected to an airline. Can't remember the name of the switch. Mine was doing the same thing until I changed it out. Around $60.00 I think.
Brake pressure switch. -
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Is Heavyd around and how do I get his attention for this issue.
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It does sound like a faulty brake switch problem. I have a few different posts about the brake switch. Here is a link to some of them;
International Prostar Traction control on when brake.
No brakes lights on 2010 prostarQUALITYTRUCK Thanks this. -
It is not the switch purchased it from the international dealer via the vin. Have checked the wires and connectors even changed the pressure sensor which made it worse.
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Heavyd do you know how to calibrate the brake sensors?? I was told when installing the new sensor one must do a series of thing ie; step on brake and release park brake with key on or something like that. Any truth to that??
Any guidance would be helpful. -
There is no calibration.
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