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Electrical systemPart report

2022 Peterbilt 579 Electrical system Problems

Complaints
2about this part
Share
29%of 7 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the electrical system of the 2022 Peterbilt 579, 29% of the 7 complaints for this model year. 6 recall campaigns on record are filed under a similar system.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“The contact owns a 2022 Peterbilt Conventional 579. The contact stated while driving at an undisclosed speed, the transmission independently shifted to neutral. The vehicle was driven to the shoulder of the road. The vehicle was turned off and restarted, and the vehicle was independently reset. The vehicle was taken to the dealer; however, the contact was informed that a software update was ordered by the manufacturer. The software update was performed; however, the failure reoccurred. …”

NHTSA complaint #11674544, filed 2025-07

“The contact owns a 2022 Peterbilt 579. The vehicle was previously repaired under NHTSA Campaign Number: 24V915000 (SERVICE BRAKES, HYDRAULIC, ELECTRICAL SYSTEM); however, the vehicle experienced the failure listed in the recall after the recall repair. The contact stated that while driving 22 MPH, the brakes failed to activate. There was no warning light illuminated. The vehicle was taken to a dealer to be diagnosed, and the contact was informed that the failure with the brakes was caused by a loss of communication between the ECM and the ECU. …”

NHTSA complaint #11761348, filed 2026-09

Related recalls

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2022229%
2020240%
2018457%

Other parts of the 2022 Peterbilt 579

Transmission and drivetrain
4 complaintsBrakes
1 complaintsSuspension
1 complaintsTires
1 complaints

← All problems reported for the 2022 Peterbilt 579

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology