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KW T370, Code present, derate warning on dash, no MIL
Posted to HD/Fleet Forum on 6/17/2026 3 Replies

2022 Kenworth T370, PX9/L9

VIN 2NKHLJ9X0NM494806

Engine 74790706

This truck initially came in for MIL, Derate 3725, aftertreatment 1 intake NOX sensor abnormal rate of change. 15685, brake switch, abnormal update rate, a couple of codes for running the DE... Login to read more.

3 Replies Received (View Replies)