No complaints are listed for the 2018 Paccar MX-11. NHTSA's API and bulk file list none in this build.
Data build 2026-10-07.
NHTSA lists this vehicle as PACCAR MX-11.
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.
13 manufacturer communications.
| System | Count |
|---|---|
| ENGINE AND ENGINE COOLING | 6 |
| ENGINE | 5 |
| POWER TRAIN | 3 |
| EQUIPMENT | 2 |
| FUEL SYSTEM, DIESEL | 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: 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: 2025-03-01. Type: Emissions. Systems: POWER TRAIN.
Certain chassis equipped with a PACCAR MX-11 EMY18 engine are eligible to receive software improvements to increase vehicle uptime and functionality of emissions fault detection. The software updates will allow Forward NOx sensor deviations to be detected prior to OBD Emission Limit (OBDEL) exceedan
Date: 2025-03-01. Type: Emissions. Systems: ENGINE.
Certain chassis equipped with a PACCAR MX-11 EMY18 engine are eligible to receive software improvements to increase vehicle uptime and functionality of emissions fault detection. The software updates will allow Forward NOx sensor deviations to be detected prior to OBD Emission Limit (OBDEL) exceedan
Date: 2024-03-11. Type: Service Bulletin/Repair Instructions. Systems: ENGINE AND ENGINE COOLING.
Added extension to 8/31/2024 Certain Engine Model Year 2018 PACCAR MX-11 engines must have the crankcase pressure sensor replaced due to contamination during assembly.
Date: 2023-04-06. Type: Service Bulletin/Repair Instructions. Systems: ENGINE AND ENGINE COOLING.
Canadian Registered Chassis Only, PACCAR MX-13 and MX-11 Fix-As-Fail Notification A?A A Fix-As-Fail A?A A Per Environment and Climate Change Canada (ECCC) regulations and guidance (Canadian Environmental Protection Act, 1999 (CEPA)), a letter has been provided to owners of Canadian registered
Date: 2021-09-21. Type: Service Bulletin/Repair Instructions. Systems: FUEL SYSTEM, DIESEL.
Fix-As-Fail A?A A Due to undersupply issues, only a limited supply of Diesel Exhaust Fluid (DEF) sensors are available. As a temporary solution, after PACCAR confirms a DEF sensor is not available, a temporary software update will allow a vehicle to continue operation with a failed DEF sensor by di
Date: 2021-07-20. Type: Service Bulletin/Repair Instructions. Systems: ENGINE AND ENGINE COOLING.
Emissions Recall - PACCAR MX-13 Engine Model Year 2015B engines require a software update to ensure emissions compliance for On-Board Diagnostic (OBD).
Date: 2021-05-08. Type: Service Bulletin/Repair Instructions. Systems: ENGINE AND ENGINE COOLING.
Alternative PACCAR Approved Counterbore Tool Availability and new Indicator Block
None listed.
| NHTSA model label | Complaints |
|---|---|
| MX-11 | 0 |
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curl "https://api.theusedcarindex.com/v1/demo/vehicle_risk?make=Paccar&model=MX-11&year=2018"Paid endpoint: https://api.theusedcarindex.com/v1/vehicle_risk. MCP endpoint: https://api.theusedcarindex.com/mcp.