2021 PETERBILT 389 Problems

Complaint Reported

Complaints by Component

ELECTRICAL SYSTEM

1 complaint

Odometer Fraud. The contact purchased a 2021 Peterbilt 389. The contact stated that while attempting to restart the vehicle after running out of diesel, it was discovered that there was a mileage discrepancy. The contact stated that while restarting the vehicle, the fuel filters needed to be refilled with diesel. The contact stated that whenever a trailer was serviced, the date and mileage were written on the filters. The contact stated that the mileage was significantly higher as written on the filter than what was written on the sales contract and shown on the odometer. The vehicle was a dealer sale. At the time of purchase, the mileage was 411,000, and while refilling the fuel filters, the mileage was 671,000.

Nov 12, 2025

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Frequently Asked Questions

How many problems does the 2021 PETERBILT 389 have?

The 2021 PETERBILT 389 currently has 1 owner-reported complaint according to NHTSA database. These complaints are organized by component to help identify common issues.

What are the most common problems with 2021 PETERBILT 389?

The most common problems reported for the 2021 PETERBILT 389 are organized by component above. Each component section shows owner-reported issues, crash reports, and fire incidents to help identify patterns and problem areas.

Where does this 2021 PETERBILT 389 problem data come from?

All problem and complaint data for the 2021 PETERBILT 389 comes directly from the National Highway Traffic Safety Administration (NHTSA) database. These are real complaints submitted by actual vehicle owners.