PACCAR recalls 2022-2023 Peterbilt 579 trucks with faulty electronic stability control software that may underestimate vehicle mass, increasing crash risk. Owners must contact dealers for free software update by March 17, 2023.
An incorrect estimate of the vehicle mass can reduce the performance of the stability control system and increase the risk of a crash.
PACCAR is recalling certain 2022-2023 Peterbilt 579 trucks due to a software error in the electronic stability control system that may underestimate vehicle mass. This could cause the truck to fail safety standards and increase crash risk. Affected owners should contact dealers for a free software update.
The software incorrectly estimates the vehicle's mass, causing the electronic stability control system to work less effectively. This could lead to the truck failing to maintain stability during sudden maneuvers, increasing crash risk.
Owners of 2022-2023 Peterbilt 579 trucks and 2023 Kenworth T680 vehicles are affected. Commercial truck drivers using these models are most at risk due to potential stability issues.
Check if your truck has a 2022-2023 model year and is a Peterbilt 579 or Kenworth T680. The recall covers vehicles with the PACCAR recall numbers 23PBA and 23KWA.
Dealers will provide a free software update to fix the stability control system error.
Dealers will update the software, free of charge. Owner notification letters are expected to be mailed March 17, 2023. Owners may contact PACCAR's customer service at 1-425-828-5888 (Kenworth) and 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 23PBA and 23KWA.
The software incorrectly estimates vehicle mass, which can cause the electronic stability control system to work less effectively and increase crash risk.
Check if your truck is a 2022-2023 Peterbilt 579 or 2023 Kenworth T680 with PACCAR recall numbers 23PBA or 23KWA.
Contact PACCAR's customer service at 1-425-828-5888 (Kenworth) or 1-940-591-4220 (Peterbilt) for a free software update.
We’ve drafted a message you can send Peterbilt to request your refund or repair — edit it as you like.
Subject: Recall 23V007000 — Peterbilt Peterbilt Hello, I own a Peterbilt that is covered by recall 23V007000 from Peterbilt. The official recall notice states: Dealers will update the software, free of charge. Owner notification letters are expected to be mailed March 17, 2023. Owners may contact PACCAR's customer service at 1-425-828-5888 (Kenworth) and 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 23PBA and 23KWA. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
