Peterbilt 579 2017 Transmission Fault Nf

Peterbilt 579 2017 Transmission Fault Nf. Momentary engine ignition interrupt relay. If you’re facing issues with your peterbilt 579’s automatic transmission, common problems often include slipping gears, fluid leaks, and fault codes.

This fault usually has to do with dirty connections on the starter enable relay. Certain model 579 and 567 vehicles equipped with eaton endurant or paccar amt transmissions, built between 5/01/2017 and 4/07/2019, may have a fluid.