Peterbilt 389: problems, complaints, bulletins
Summary for the Peterbilt 389 across 10 model years: 0 owner complaints and 133 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine | 0 | 0 | 151 |
| Electrical system | 0 | 0 | 103 |
| Engine and cooling | 0 | 0 | 64 |
| Equipment | 0 | 0 | 63 |
| Powertrain | 0 | 0 | 55 |
| Service brakes | 0 | 0 | 31 |
| Structure | 0 | 0 | 28 |
| Fuel system | 0 | 0 | 15 |
| Visibility | 0 | 0 | 15 |
| Suspension | 0 | 0 | 14 |
| Fuel/propulsion system | 0 | 0 | 12 |
| Steering | 0 | 0 | 12 |
| Vehicle speed control | 0 | 0 | 12 |
| Exterior lighting | 0 | 0 | 10 |
What to check before buying
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- "Kenworth
- An exhaust manifold slip joint seal kit is now available for EPA 2017-2024 PACCAR MX-13 engines
- Updated Sheppard Steering Gear Classification Tool link in Inspection Procedure
- The verbiage in the Introduction section has been updated
- The procedure has been updated to include additional steps for verifying the software level on the vehicle…
- 235 chassis have been removed from the chassis list and unflagged in PRWS due to expiration of applicable…
- 105 chassis have been removed from the chassis list and unflagged in PRWS due to expiration of applicable…
- This optional software update is now available for chassis equipped with EMY 2021B-2023 PACCAR MX-11 and…
- The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to…
- The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to…
- The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to…
- "The software is not yet available
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 2026-11-04.