No complaints are listed for the 2020 Paccar MX-13. NHTSA's API and bulk file list none in this build.
Data build 2026-10-08.
NHTSA lists this vehicle as PACCAR MX-13.
Complaints per 100k sold unavailable. No sales source is available for this record.
Model-generated complaint tags: No complaints are listed for tagging.
See new recalls and investigations this week.
0 recalls.
0 investigations; 0 open.
28 manufacturer communications.
| System | Count |
|---|---|
| ENGINE | 13 |
| ENGINE AND ENGINE COOLING | 12 |
| EQUIPMENT | 6 |
| ELECTRICAL SYSTEM | 5 |
| POWER TRAIN | 4 |
| EQUIPMENT ADAPTIVE/MOBILITY | 2 |
| FUEL SYSTEM, DIESEL | 1 |
| FUEL/PROPULSION SYSTEM | 1 |
Date: 2026-09-11. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
"Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes. 2 chassis added to the chassis list. Peterbilt: Dealers should check the chassis list and SIR weekly for VIN changes. 10 chassis added to the chassis list."
Date: 2026-06-13. Type: Service Bulletin/Repair Instructions. Systems: ENGINE, POWER TRAIN.
The attached procedure has been updated to improve clarity.
Date: 2026-05-18. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
Kenworth - The Warranty section has been updated to include Peterbilt-specific SRT codes for cross-division repair filing.
Date: 2026-03-06. Type: Emissions. Systems: ENGINE.
EPA17-24 MX-13 Fuel Injector Connector - This bulletin has been revised to include EPA24 PACCAR MX-13 engines.
Date: 2026-01-15. Type: Emissions. Systems: ELECTRICAL SYSTEM, ENGINE.
EPA 17-21 MX-13 Fuel Injector Connector SRTs have been added to the SRT tables in PRWS for replacement of the injector connector shells
Date: 2025-12-03. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, ENGINE.
A new Level 1 required MX-11 and MX-13 Oil Pressure Switch Breakout Harness is now available for order.
Date: 2025-10-07. Type: Emissions. Systems: ENGINE, POWER TRAIN.
In an MX Engine is replaced, a TCS365 case must be opened to get a replacement engine emissions compliance label and expert level rights for resetting and programming the engine control module.
Date: 2025-08-20. Type: Other. Systems: ENGINE, POWER TRAIN.
Condition, Chassis Affected, and Warranty sections updated with the following verbiage a E311 must be flagged and open in Service Information Record (SIR) at the time of RO open date to qualify.a Also, a Through Standard Warranty or any applicable active Extended Warrantya verbiage was removed
Date: 2025-02-27. Type: Emissions. Systems: ELECTRICAL SYSTEM, ENGINE.
"PSB E327: PACCAR MX-11 and MX-13 OBD Software Update Vehicles equipped with PACCAR MX engines with Engine Software Version NA202 or NA206 may display a dash STOP lamp incorrectly. PCI-2 software on these chassis must be reverted from NA202 to NA201 (Pack 2 injectors) or from NA206 to NA191 (Pack 1
Date: 2024-10-08. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
EPA21 Pack 2 Injectors Newly designed fuel injectors are available for EPA2021 compliant PACCAR MX-series engines to optimize engine performance. Injectors must be replaced as a full set (6 injectors) and associated software must be updated at the same time.
None listed.
| NHTSA model label | Complaints |
|---|---|
| MX-13 | 0 |
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curl "https://api.theusedcarindex.com/v1/demo/vehicle_risk?make=Paccar&model=MX-13&year=2020"Paid endpoint: https://api.theusedcarindex.com/v1/vehicle_risk. MCP endpoint: https://api.theusedcarindex.com/mcp.