CarRecallWatchThe 2020 Peterbilt 579 has 6 safety recalls on file with NHTSA.
Owners have filed 5 complaints with NHTSA.
The most-reported problem area is Electrical System (2 reports).
2020 Peterbilt 579 recalls
Steering Arm Bolts May Fail, Causing Loss of Steering
Fasteners that attach the steering arm to the steering knuckle on the Dana D-Series front axle may fail.
Methane alarm may fail if power is lost, risking fire
Certain heavy-duty trucks have a wiring defect in the methane detection system.
Brakes May Release During Winching, Causing Rollaway
On certain heavy-duty wrecker and auto hauler trucks, the work brake used during winching can unintentionally disengage the service brakes.
Battery Jumper Cable Can Chafe and Cause Fire Risk
Certain Peterbilt trucks with a left-hand under-hood jumper terminal may have a positive battery jumper terminal cable that is too long.
Reflective tape may be misplaced, reducing visibility and crash risk
Some 2020 Peterbilt 579 trucks equipped with a sleeper box may have conspicuity tape installed in the wrong location.
Mirror Glass May Detach, Reducing Visibility and Creating Road Hazard
Certain heavy-duty trucks may have upper mirror glass that can separate from the mirror carrier plate because of inadequate adhesion.
Most common 2020 Peterbilt 579 problems
Problem areas named in the 5 complaints owners filed with NHTSA.
| Problem area | Reports |
|---|---|
| Electrical System | 2 |
| Power Train | 2 |
| Electronic Stability Control (Esc) | 1 |
| Service Brakes | 1 |
| Forward Collision Avoidance | 1 |
| Engine | 1 |
What owners report
My 2020 [XXX] [XXX] VIN:[XXX] was brought to Rihm Kenworth in [XXX] on XXX while actively under warranty." The dealership confirmed a PACCAR MX-13 camshaft failure, which is a known manufacturer defect tied to PACCAR Campaigns E252 and E266. Camshafts Are Explicitly Covered 100% The text of PACCAR's official 700k warranty bulletin explicitly states what is covered under this specific campaign: The dealer manager claims PACCAR corporate has placed an arbitrary $4,000 cap on a $14,105. warranty repair but completely refuses to provide any written documentation or contractual justification for the Cap. The dealer told me to contact PACCAR legal department and I have called, sent numerous emails
Camshaft failure as described in previous service bulletins for same year, make, model truck and Paccar MX-17 engine. Available for inspection as truck is not operational. Vehicle has been inspected by mechanic and no warning, messages, or other symptoms prior to the failure being noticed and inspected to locate issue.
Odometer Fraud. The contact purchased a 2020 Peterbilt 579. The contact stated that while attempting to register the vehicle, it was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. At the time of purchase, the vehicle mileage was 217,000, and at the time of registration, it was discovered that the mileage was 349,571.
Vehicle has a following distance sensor on front bumper. Sensor is sensing overpasses when traveling underneath them and that should not be detected. Vehicle is automatically applying hard braking. This is causing a possible rear end collision and or loss of vehicle controll in wet conditions.
EOA SUPPORT BRACKET BROKE OFF AND THE EOA MANIFOLD FELL INTO THE DRIVE SHAFT CAUSING THE LOSS OF AIR PRESSURE. THE TRUCK WAS ON THE INSTATE IN THE CITY.
2020 Peterbilt 579 questions
Does the 2020 Peterbilt 579 have any recalls?
Yes. NHTSA lists 6 safety recalls for the 2020 Peterbilt 579: Steering Arm Bolts May Fail, Causing Loss of Steering; Methane alarm may fail if power is lost, risking fire; Brakes May Release During Winching, Causing Rollaway; Battery Jumper Cable Can Chafe and Cause Fire Risk; Reflective tape may be misplaced, reducing visibility and crash risk. Recall repairs are normally free at an authorized dealer.
What are the most common problems with the 2020 Peterbilt 579?
Based on 5 owner complaints filed with NHTSA, the most-reported problem areas are Electrical System (2), Power Train (2), Electronic Stability Control (Esc) (1).
How do I check if a recall on my 2020 Peterbilt 579 has been fixed?
Enter your 17-character VIN in our VIN recall check. It shows open recalls that have not been repaired on your specific vehicle. Recall repairs are normally free at an authorized dealer.