AI DamagePeterbilt 379XL: problems, complaints, bulletins
Summary for the Peterbilt 379XL across 1 model years: 3 owner complaints and 0 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
| Year | Owner complaints | involving a crash | Technical service bulletins (TSB) | YouTube repair videos |
|---|---|---|---|---|
| 2000 | 3 | 0 | 0 | 0 |
What fails most often
- 1 Electrical system 33% of all complaints
- 2 Latches, locks, linkages 33% of all complaints
- 3 Structure 33% of all complaints
- Electrical system: 1 complaints (33% of all).
- Latches, locks, linkages: 1 complaints (33% of all).
- Structure: 1 complaints (33% of all).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 1 | 0 | 0 |
| Latches, locks, linkages | 1 | 0 | 0 |
| Structure | 1 | 0 | 0 |
| Other | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Electric wires on both doors at bottom shorted out interior lights. Bare wires were exposed and rubbed against insulation. Wires were wrapped with electrical tape. Manufacturer was notified. Please provide more information.
Passenger's side and driver's side doors rattle while driving. Driver feels doors are trying to force their way open. Driver took vehicle to dealer, and they readjusted the linkage. It has been back to dealer four times for same problem.
The sleeper is too heavy and causing the doors to unlatch while driving, the body flexed causing hood to rub radiator cowl into nose piece, the cab has been bent 5 times to try to adjust, peterbilt claims to be aware of the problems. Nlm
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Latches, locks, linkages. Door, hood and tailgate latches, especially near the impact.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
Other models of this make
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 2026-11-05.