2022 Peterbilt 579 Transmission and drivetrain Problems
- Complaints
- 4about this part
- Share
- 57%of 7 total for the year
- Median mileage
- 220,536miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the transmission and drivetrain of the 2022 Peterbilt 579, 57% of the 7 complaints for this model year. Where a mileage was given, the median is 220,536 miles. 1 recall campaign on record is 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 579. The contact stated that while driving at an undisclosed speed, the vehicle downshifted with multiple warning lights illuminated. The vehicle was restarted; however, the failure recurred. The contact received notification of NHTSA Campaign Number: 24V190000 (Power Train); however, the part to do the recall repair was unavailable. The dealer was contacted. The vehicle was taken to the dealer where it was diagnosed and determined that the gear shifter assembly had failed and needed to be replaced. The vehicle was not repaired. …”
NHTSA complaint #11633660, filed 2025-01, 220,536 miles“After a decel to 20ish mph, the automated manual transmission attempted to shift into gear to begin acceleration. The transmission made load noises indicating a failure followed by a transmission warning with the fault code being 617 FMI 14. All acceleration and engine braking ability was disabled, increasing the risk of an accident due to the vehicle being disabled. A similar safety recall for the same vehicle would be NHTSA #24V-190 which causes the vehicle to become disabled and increase a crash risk. …”
NHTSA complaint #11737845, filed 2026-05“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 2025-07Related recalls
- 24V190000Mar 20, 2024PACCAR Incorporated (PACCAR) is recalling certain 2021-2024 Peterbilt 365, 367, 389, 535, 536, 537, 548, 567, 579, and 2021-2025 Kenworth T180, T280, T380…Covers: Peterbilt 579 2021–2024, Kenworth T880 2021–2025, T280 2021–2025 +7 more
Related service bulletins
- 11034059Jun 24, 2026"KW & PB 14 fuel injector part numbers (seven for MX-11 and seven for MX-13 engines) have been added to this warranty policy."
- 11026415Nov 26, 2025The 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…
- 11026419Nov 10, 2025Certain chassis equipped with a PACCAR TX-12 transmission have Mechatronic Transmission Module (MTM) rail cylinder cap screws that could become loose. This may cause the…
- 11022496Aug 20, 2025Condition, Chassis Affected, and Warranty sections updated with the following verbiage “E311 must be flagged and open in Service Information Record (SIR) at the time of RO open…
- 11019217May 22, 2025T016: Warranty section updated to include 0.5 hours for test drive. Recommended Repair T016C has been updated from 6.4 hours to 6.9 hours. SRT codes updated in PRWS Claim Coding…
- 11010890Nov 27, 2024Some 579EV and 520EV BEV trucks may have loose or improperly torqued ESS gland nuts. This may cause an intermittent warning light on the dash display.
- 10244492Oct 6, 2023Certain 579 MLU chassis equipped with Cummins X15 engines have fan hub bracket hardware that are incorrect for the application and/or under torqued and could become loose and/or…
- 10243360Sep 1, 2023Certain 579 MLU chassis equipped with Cummins X15 engines have fan hub bracket hardware that are incorrect for the application and/or under torqued and could become loose and/or…
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2022 | 4 | 57% |
| 2020 | 2 | 40% |
Other parts of the 2022 Peterbilt 579
← All problems reported for the 2022 Peterbilt 579
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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