AI Damage2021 International RH: common problems
The maker issued 145 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 145
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine and cooling | 0 | 0 | 50 |
| Electrical system | 0 | 0 | 38 |
| Engine | 0 | 0 | 20 |
| Structure | 0 | 0 | 15 |
| Equipment | 0 | 0 | 11 |
| Service brakes | 0 | 0 | 8 |
| Powertrain | 0 | 0 | 6 |
| Steering | 0 | 0 | 5 |
| Exterior lighting | 0 | 0 | 4 |
| Fuel system | 0 | 0 | 4 |
| Suspension | 0 | 0 | 4 |
| Wheels | 0 | 0 | 3 |
| Lane departure | 0 | 0 | 2 |
| 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.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- This article will provide the calibration revision history for A26B EPA 2021 engines. NOTE
SDS calibrations will update to the most recently released calibration. The latest calibration content will include all previously released calibration content.
- 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- Certain International® trucks and IC BusTM CE Series buses may have out of date BCM programing that may…
Certain International® trucks and IC BusTM CE Series buses may have out of date BCM programing that may cause erroneous fault codes after a vehicle sits for 2 or 3 days.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 enables technicians to
1. Accurately identify International® A26B engine control systems. 2. Understand the programming requirements and system behavior. 3. Perform programming tasks independently without needing technical support.
- This document enables technicians to
1. Accurately identify International® A26A engine control systems. 2. Understand the programming intricacies related to these systems. 3. Perform programming tasks independently without needing technical support.
- This document will guide the user through supplemental fuel system diagnostics on 2017 A26 ESN 4500000 -…
- 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
NHTSA lists 145 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 RH?
There are no owner complaints in the NHTSA data for this year; the data comes from 145 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2021 International RH?
NHTSA lists 145 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 RH 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.