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November 26, 2025 Service campaign

The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector

Peterbilt technical service bulletin 24PBE for 2021-2024 Peterbilt 579, 2021-2024 Peterbilt 389 and 2021-2024 Peterbilt 567 and others.

Bulletin number
24PBE (24PBE)
Component
Electrical system
Summary
The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector. Loss of communication between the right-hand shift stalk and the vehicle may result in the vehicle being disabled after it comes to a stop, thereby increasing the risk of crash or injury. A warning will appear on the dash display when communication is lost, including transmission or engine warnings, “!” next to DNR/DNRP indicator, “-“ in the DNR/DNRP indicator, and/or chimes, depending upon whether you are operating a diesel/gas or battery electric vehicle.

Owners of these vehicles have filed 7 complaints in the electrical category.

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