No complaints are listed for the 2020 International Workstar. NHTSA's API and bulk file list none in this build.
Data build 2026-10-08.
NHTSA lists this vehicle as INTERNATIONAL WORKSTAR.
Model-generated complaint tags: No complaints are listed for tagging.
Recalls
See new recalls and investigations this week.
4 recalls.
Date: 2023-04-06. Systems: ELECTRICAL SYSTEM.
Defect: Navistar, Inc. (Navistar) is recalling certain 2016-2017 International TranStar, 2017-2019 International ProStar, International LoneStar, 2017-2020 International DuraStar, WorkStar, and 2018-2019 IC Bus HC Commercial buses. The heating, ventilation, and air-conditioning (HVAC) blower motor circuit may have an insufficient wiring terminal that can overheat.
Consequence: An overheated electrical circuit can increase the risk of a fire.
Remedy: Dealers will replace the HVAC blower motor load circuit wiring terminal, free of charge. Owner notification letters are expected to be mailed June 5, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 23510.
Do not drive: No. Park outside: No.
Date: 2020-04-17. Systems: FUEL SYSTEM, DIESEL.
Defect: Navistar, Inc. (Navistar) is recalling certain 2017-2020 International WorkStar and International DuraStar, 2018-2019 IC 1300 FBC Commercial and IC HC Commercial, 2018-2021 IC CE Commercial, International MV and International HV, and 2019-2021 IC TC Commercial buses with Cummins B6.7 diesel engines with a fuel module option number FS90301 or FS90453. The electric fuel heater within the fuel modul (excerpt)
Consequence: A fire increases the risk of injury. An engine stall can increase the risk of a crash. (excerpt)
Remedy: Cummins will notify the affected Navistar customers and dealers will disable the fuel heater by either installing a plug in place of the heater or otherwise rendering the fuel heater inoperable and removing the fuse supplying electrical power to the fuel heater and installing a cover over the wire harness connector, free of charge. The recall began May 28, 2020. Owners may contact Cummins custom (excerpt)
Do not drive: No. Park outside: No.
Date: 2019-11-21. Systems: ENGINE.
Defect: Navistar, Inc. (Navistar) is recalling certain 2019-2020 International MV and HV, 2018-2020 Workstar, and 2018-2019 Durastar vehicles equipped with feature codes 12VXT and 12VXU. With the parking brake applied and the automatic transmission in the 'Drive' or 'Reverse' position, when the stationary PTO switch is engaged by the operator, the engine RPM will ramp up and may overcome the parking brak (excerpt)
Consequence: Unintended vehicle movement increases the risk of a crash. (excerpt)
Remedy: Navistar will notify owners, and dealers will update the Engine Control Module to enable the PTO neutral interlock, free of charge. The recall began January 16, 2020. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 19518. (excerpt)
Do not drive: No. Park outside: No.
Date: 2019-03-20. Systems: FUEL SYSTEM, DIESEL.
Defect: Navistar, Inc. (Navistar) is recalling certain 2017-2020 International DuraStar and WorkStar, 2018-2020 IC Bus CECB, International HV and MV, 2018-2019 IC Bus 1300 FBC and HCCB, and 2019-2020 IC Bus TCCB vehicles equipped with Cummins B6.7 diesel engines with fuel module option number FS90301 or FS90453. The electric fuel heater within the fuel module may overheat and cause plastic in the fuel he (excerpt)
Consequence: A fire increases the risk of injury. An engine stall can increase the risk of crash. (excerpt)
Remedy: Cummins will notify the affected Navistar owners. Cummins dealers will replace the fuel heater with a newly designed fuel heater, free of charge. The recall began May 2, 2019. Owners may contact Cummins customer service at 1-800-286-6467 or Navistar customer service at 1-800-448-7825. (excerpt)
Do not drive: No. Park outside: No.
Manufacturer communications
114 manufacturer communications.
Communications by system| System | Count |
|---|
| ENGINE AND ENGINE COOLING | 46 |
|---|
| ELECTRICAL SYSTEM | 30 |
|---|
| STRUCTURE | 13 |
|---|
| EQUIPMENT | 11 |
|---|
| ENGINE | 7 |
|---|
| STEERING | 7 |
|---|
| SUSPENSION | 7 |
|---|
| UNKNOWN OR OTHER | 7 |
|---|
11035956
Date: 2026-07-21. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
This article only applies to Models w/ 0016UZL Built Between 06/23/2014 a 05/11/2020 OR Models w/ 0016UZL w/ Safety Recall 14516 Completed Reference the appropriate Technician Manual for models outside of this population. Safety Recall 14516 has been issued for units built before June 23, 2014. Fo
11028361
Date: 2026-02-05. Type: Other. Systems: ENGINE.
New CARB Idle Reduction Change Request
11029461
Date: 2026-02-03. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
This tool is designed to compare Diamond Logic feature data across multiple vehicle configuration files. It allows users to quickly load files either manually or directly from the Diamond Logic Builder Vehicles folder using VIN-based selection. As files are added or removed, the comparison runs auto
11028362
Date: 2026-01-26. Type: Other. Systems: ENGINE.
This document provides guidance for assessing the feasibility of implementing a customer-requested change to an engine or vehicle parameter/feature. Customer requested changes will be approved in accordance with the requirements specified in 40 CFR Part 1037 to ensure continued compliance with green
11028363
Date: 2026-01-19. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
This article is intended to provide information for how to program International Engines that have been sold to another company and installed in a chassis that does NOT have an International VIN Number. This may include Detroit Series 40 engines, Perkins, Street Sweepers, Cranes, Fire Trucks, Genera
11028359
Date: 2026-01-02. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
Engine replacements for all International engines will need to follow this procedure.
11027310
Date: 2025-12-19. Type: Service Bulletin/Repair Instructions. Systems: STRUCTURE.
This document will guide the user through a step-by-step procedure for detecting water leaks in vehicle cabs and windshields using an ultrasonic sound detector.
11027312
Date: 2025-12-19. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
This document provides: Steps to take when switch pack programming fails, or when switch pack disappears after body control module update Sample scenarios Additional information to assist readers in understanding DLB switch pack programming
11026148
Date: 2025-12-05. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
This document will guide the user through understanding Prop Shaft Codes and understanding the variations of prop codes. (Metric Prop codes start with the number a 4 and Non metric Prop codes start with a 2.)
11026190
Date: 2025-11-06. Type: Service Bulletin/Repair Instructions. Systems: STRUCTURE.
In some geographic areas, ambient temperatures reaching below 15A?F (-10 A?C), including high levels of humidity, an operator may experience engine stalling, low performance, and or poor aftertreatment performance. This is caused by condensation accumulating and freezing within the Charge Air Cooler