AI Damage2021 International HV: common problems
The maker issued 157 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 157
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine and cooling | 0 | 0 | 67 |
| Electrical system | 0 | 0 | 43 |
| Equipment | 0 | 0 | 22 |
| Structure | 0 | 0 | 12 |
| Engine | 0 | 0 | 11 |
| Powertrain | 0 | 0 | 11 |
| Service brakes | 0 | 0 | 9 |
| Fuel system | 0 | 0 | 5 |
| Exterior lighting | 0 | 0 | 3 |
| Steering | 0 | 0 | 3 |
| Suspension | 0 | 0 | 3 |
| Vehicle speed control | 0 | 0 | 3 |
| Wheels | 0 | 0 | 3 |
| Parking brake | 0 | 0 | 2 |
Comparison
What to check before buying
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- This document will guide the user through the parts and information related to A26B resonator removal and…
This document will guide the user through the parts and information related to A26B resonator removal and EGR cross-over tube installation.
- This document will guide the user through the changes of the dielectric grease/coatings used in certain…
This document will guide the user through the changes of the dielectric grease/coatings used in certain areas on all International vehicles built after 1/8/2018. International's Electrical Engineering Team made this…
- This document will guide the user through parts information and installation instructions for the IMP…
- Certain International® trucks and IC BusTM CE Series buses may have out of date BCM programing that may…
Certain International® trucks and IC BusTM CE Series buses may have out of date BCM programing that may cause erroneous fault codes after a vehicle sits for 2 or 3 days.
- This document provides guidance for assessing the feasibility of implementing a customer-requested change…
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…
- This document is to inform dealers, customers, and body builders/TEMs of a known BCM software issue with…
This document is to inform dealers, customers, and body builders/TEMs of a known BCM software issue with kernels 747 through 752. Units built after November of 2024 as well as older units that were updated with DLB…
- 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 automatically with no…
- New CARB Idle Reduction Change Request
- Engine replacements for all International engines will need to follow this procedure
- 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
- This document will guide the user through a step-by-step procedure for detecting water leaks in vehicle…
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.
- In some geographic areas, ambient temperatures reaching below 15°F (-10 °C), including high levels of…
In some geographic areas, ambient temperatures reaching below 15°F (-10 °C), including high levels of humidity, an operator may experience engine stalling, low performance, and or poor aftertreatment performance. This…
NHTSA lists 157 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2021 International HV?
There are no owner complaints in the NHTSA data for this year; the data comes from 157 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2021 International HV?
NHTSA lists 157 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2021 International HV from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2021 models
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.