Safety Recall NHTSA · 20V739000 Reported November 25, 2020

Stability control brake relay hose misconnected

Paccar Incorporated · N/A · 11 vehicles potentially affected

NHTSA ID
20V739000
Manufacturer Campaign
20PBF
Manufacturer
Paccar Incorporated
Component
N/A
Vehicles Affected
11
Recall Type
Vehicle
Report Received
November 25, 2020
Completion Rate
100.00

Defect Summary

Paccar incorporated (paccar) is recalling certain 2020-2021 peterbilt 520 vehicles. the stability control brake relay may have the spring brake modulating (sbm) valve or the lift axle hose incorrectly connected.

Safety Consequence

A stability control event meant to only actuate the abs controlled wheel ends could actuate lift axle brakes or modulate park brake chambers and could possibly de-stabilize the vehicle, increasing the risk of a crash.

Corrective Action

Paccar will notify owners, and dealers will inspect the suspect chassis and correct the brake relay plumbing if needed, free of charge. paccar has issued owners an interim notification on january 4, 2020. owner notification letters were mailed on january 25, 2021. owners may contact peterbilt customer service at 1-940-591-4220. paccar's number for this recall is 20pbf.

What you should do

  1. Look up your VIN at nhtsa.gov/recalls to confirm this recall applies to your vehicle.
  2. Contact an authorized Paccar Incorporated dealer and reference recall ID 20V739000 or campaign 20PBF.
  3. Schedule the free repair. By federal law, the manufacturer must remedy the defect at no cost.
View Official NHTSA Notice →
Related

Similar Recalls

Other recalls from Paccar Incorporated or involving N/A.

Recall 26V290000
Chrysler (fca Us, Llc)
Power transfer unit may fail and cause a loss of drive power
N/A · 61,711 affected · May 7, 2026
Recall 73V092000
Harley-davidson Motor Company
Brakes:mechanical service:other
N/A · 2,607 affected · Apr 30, 1973
Recall 73V094000
Harley-davidson Motor Company
Suspension
N/A · 11,705 affected · Apr 30, 1973
Recall 26T011000
Goodyear Tire & Rubber Company
Tire tread may separate
N/A · 69 affected · Apr 18, 2026
Recall 26E021000
Chrysler (fca Us, Llc)
Engine failure may cause fire or loss of drive power
N/A · 2,689 affected · Apr 16, 2026

FAQ: Recall 20V739000

Your rights, the repair process, and what each field on this page means.

What is recall 20V739000?

NHTSA recall 20V739000 was issued by Paccar Incorporated on November 25, 2020. It addresses: Stability control brake relay hose misconnected. The recall affects approximately 11 vehicles, with the defect involving the N/A component.

How do I get this recall repaired?

Contact any authorized Paccar Incorporated dealer and reference NHTSA recall ID 20V739000 or the manufacturer campaign number 20PBF. Under federal law, the repair is completely free regardless of vehicle age or owner history.

Is my vehicle included in this recall?

The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.

How long do I have to get a recall repair done?

There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.

Where does the data on this page come from?

All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.