PACCAR Peterbilt 520 (2020) Electrical System Recall: Engine Shutdown Risk
PACCAR recalls 2017-2020 Peterbilt 520 trucks with undersized wiring that may overheat, causing engine shutdowns and crash risks. Owners must have wiring replaced free by dealers.
Use caution until it’s fixed
An unexpected engine shut down can increase the risk of a crash.
Contact the company
What happened, in plain English
PACCAR is recalling certain 2017-2020 Peterbilt 520 trucks because undersized wiring can overheat and cause engine shutdowns, increasing crash risk. Owners need to have the wiring replaced by dealers at no cost. Read more at govinfonow.com/recall/79952-paccar-peterbilt-520-2020-electrical-system-recall-engine-shutdown-risk.
Source Summary by GovInfoNow · govinfonow.com/recall/79952-paccar-peterbilt-520-2020-electrical-system-recall-engine-shutdown-risk · Updated October 5, 2026 · Official notice: NHTSA #19V282000
Cite this page
“PACCAR Peterbilt 520 (2020) Electrical System Recall: Engine Shutdown Risk.” GovInfoNow, updated October 5, 2026. https://govinfonow.com/recall/79952-paccar-peterbilt-520-2020-electrical-system-recall-engine-shutdown-risk. Based on NHTSA recall #19V282000 (https://www.nhtsa.gov/recalls?nhtsaId=19V282000).
Why it’s dangerous
Undersized wires between the cab and power distribution center can overheat and melt. This may cause the engine to shut down unexpectedly while driving, increasing crash risk.
Who’s affected
Owners of 2017-2020 Peterbilt 520 trucks are affected. Drivers using these trucks without the corrected wiring are at risk of engine shutdowns during operation.
How to tell if you have this one
Check if your truck was manufactured between 2017 and 2020. The recall covers Peterbilt 520 models with undersized wiring in the electrical system.
- Brand
PACCAR- Category
Vehicle
What to do — step by step
Contact PACCAR
Call PACCAR customer service at 1-918-259-3258 to confirm your truck is affected and schedule a wiring replacement.
Get Wiring Replaced
Dealers will replace the main power wire to the PDC with a wire of the correct size at no cost.
What NHTSA says to do
PACCAR will notify owners, and dealers will replace the main power wire to the PDC with a wire of the correct size, free of charge. The recall began August 6, 2019. Owners may contact PACCAR customer service at 1-918-259-3258. PACCAR's number for this recall is 19PBB.
How this recall unfolded
Recall timeline
2 dated steps over 29 days.
- Recall began
- NHTSA received the defect report
Dates from the agency record only; steps without a date are left out.
Contact PACCAR
We’ve drafted a message you can send PACCAR to request your refund or repair — edit it as you like.
Subject: Recall 19V282000 — PACCAR Peterbilt 520 (2020) Electrical System Recall: Engine Shutdown Risk Hello, I own a PACCAR Peterbilt 520 (2020) Electrical System Recall: Engine Shutdown Risk that is covered by recall 19V282000 from PACCAR. The official recall notice states: PACCAR will notify owners, and dealers will replace the main power wire to the PDC with a wire of the correct size, free of charge. The recall began August 6, 2019. Owners may contact PACCAR customer service at 1-918-259-3258. PACCAR's number for this recall is 19PBB. 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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Where this comes from
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.
- Official source: NHTSA Recall #19V282000 (September 4, 2019)
- Plain-language summary written by qwen3:4b on October 5, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
- GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.