2020 Pierce Freightliner: common problems
The maker issued 31 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 31
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 3 |
| Air bags | 0 | 0 | 1 |
| Engine and cooling | 0 | 0 | 1 |
| Exterior lighting | 0 | 0 | 1 |
| Steering | 0 | 0 | 1 |
| Suspension | 0 | 0 | 1 |
| Other | 0 | 0 | 23 |
Comparison
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Air bags. Check the SRS light, stored codes and airbag/curtain status after any impact.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Exterior lighting. Headlamps, leveling, sensors and mounts after a frontal hit.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Pierce has updated our inverter installation policy to require a sub-feed breaker box with inverters that…
Pierce has updated our inverter installation policy to require a sub-feed breaker box with inverters that can supply over 2400W (20A @ 120V) in an unprotected output. In alignment with the National Electric Code (NEC)…
- This bulletin provides a procedure to update webpage and MQTT certificates in the Telematics Control Unit…
This bulletin provides a procedure to update webpage and MQTT certificates in the Telematics Control Unit (TCU) devices of Pierce custom chassis apparatus equipped with Command Zone and with TCU software versions…
- This bulletin provides a procedure for comprehensive update of the Command Zone (CZ) Telematics Control…
This bulletin provides a procedure for comprehensive update of the Command Zone (CZ) Telematics Control Unit (TCU), control module, and Display devices in Pierce custom chassis apparatus to enable next-generation…
- This bulletin provides a procedure to update Telematics Control Unit (TCU) devices in Pierce custom…
This bulletin provides a procedure to update Telematics Control Unit (TCU) devices in Pierce custom chassis apparatus equipped with Command Zone and with TCU software version 7.4.3. Installation of new TCU webpage and…
- Pierce is communicating a material change to the ball joint boots used in applicable service kit PN 2742031
This bulletin is intended to help Dealer Parts and Service teams understand the reason for the change and how to identify the new ball joint.
- The previous bolt-in airbag and steering wheel design are now obsolete and will require replacement if the…
The previous bolt-in airbag and steering wheel design are now obsolete and will require replacement if the become damaged. A new clip-in airbag and steering wheel design have been implemented.
- The steering column clockspring airbag (Pierce PN 1799451) has become obsolete and will require…
The steering column clockspring airbag (Pierce PN 1799451) has become obsolete and will require replacement if it becomes damaged.
- All Roto Rays, Division of Eastern Fire Equipment Services, are warranted to the purchaser for 3 years…
All Roto Rays, Division of Eastern Fire Equipment Services, are warranted to the purchaser for 3 years against defects in material or workmanship. During the warranty period products found to be defective will be…
- Husky XP pressure transducer troubleshooting procedure for transducer-related performance concerns
- To notify dealers and customers that the engine oil specification listed on certain Federal (FED) Tags for…
To notify dealers and customers that the engine oil specification listed on certain Federal (FED) Tags for units equipped with PACCAR MX-13 engines may be incorrect, and to ensure proper maintenance practices are…
- The TAK-4 design was updated and older styles of TAK-4 can be upgraded
These updates to the torsion bar and torsion bar mounting are recommended but not required.
- This bulletin provides dealer guidance for MCC filter assemblies when the moisture indicator sight glass…
This bulletin provides dealer guidance for MCC filter assemblies when the moisture indicator sight glass appears to show a “wet” condition before installation, after installation, or on replacement filter assemblies.
NHTSA lists 31 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2020 Pierce Freightliner?
There are no owner complaints in the NHTSA data for this year; the data comes from 31 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2020 Pierce Freightliner?
NHTSA lists 31 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2020 Pierce Freightliner from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2020 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.