IC Bus and International service campaign 26101
What it saysCertain International® trucks and IC BusTM CE Series buses may have out of date BCM programing that may cause erroneous fault codes after a vehicle sits for 2 or 3 days. NHTSA’s full summary ↓
IC Bus and International filed this with NHTSA as a service campaign dated May 22, 2026, received May 8, 2026, about the electrical system — 2 documents under this number. It names 59 model years across IC Bus and International (2019–2026). A service campaign is not a safety recall — there is no NHTSA campaign number and no federal requirement — but it is usually work the manufacturer pays for on the vehicles it names; the dealer checks the VIN against the manufacturer’s list.
One page for every brand it was filed under. Each brand’s bulletins: IC Bus · International.
What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationCertain International® trucks and IC BusTM CE Series buses may have out of date BCM programing that may cause erroneous fault codes after a vehicle sits for 2 or 3 days.
Documents filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| 26101 | Service campaign | May 22, 2026 | 11033229 | PDF, 345 KB |
| 26101 | Service campaign | Apr 7, 2026 | 11032456 | PDF, 346 KB |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
Model years it names
Source: as the manufacturer filed themIC Bus 10 model years
Also filed against: 2021 IC Bus Cesb; 2022 IC Bus Cesb; 2023 IC Bus Cesb; 2024 IC Bus Cesb; 2025 IC Bus Cesb; 2026 IC Bus Cesb; 2023 IC Bus Evsb; 2024 IC Bus Evsb; 2025 IC Bus Evsb; 2026 IC Bus Evsb.
International 49 model years
Also filed against: 2021 International EMV; 2022 International EMV; 2023 International EMV; 2024 International EMV; 2025 International EMV; 2020 International HV; 2021 International HV; 2022 International HV; 2023 International HV; 2024 International HV; 2025 International HV; 2026 International HV; 2020 International HX; 2021 International HX; 2022 International HX; 2023 International HX; 2024 International HX; 2025 International HX; 2026 International HX; 2019 International LT; 2020 International LT; 2021 International LT; 2022 International LT; 2023 International LT; 2024 International LT; 2025 International LT; 2026 International LT; 2019 International Lonestar; 2020 International Lonestar; 2021 International Lonestar; 2022 International Lonestar; 2023 International Lonestar; 2024 International Lonestar; 2019 International MV; 2020 International MV; 2021 International MV; 2022 International MV; 2023 International MV; 2024 International MV; 2025 International MV; 2026 International MV; 2019 International RH; 2020 International RH; 2021 International RH; 2022 International RH; 2023 International RH; 2024 International RH; 2025 International RH; 2026 International RH.
None of these model years has a page on this site (it covers EPA-certified cars, trucks and SUVs from 2016), so the bulletin is listed here on its own.
More bulletins about the electrical system
Source: same model, same component group9 other manufacturer communications filed against these IC Bus and International models under the same component group (electrical system), newest first. The eight newest are listed; the rest are on the IC Bus list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| 26106 | Service campaign | Oct 1, 2026 | HVAC control may experience shut off cycles during operation. |
| 26102 | Service campaign | Jul 7, 2026 | This document will guide the user through installing 12V disconnect label to the battery door. |
| 25109 | Service campaign | Apr 7, 2026 | Certain IC BusTM Electric CE Series buses may have incorrect suction and discharge pressure sensors. |
| 25108 | Service campaign | Dec 15, 2025 | Certain IC Bus™ Electric CE Series school buses may need to have the VCU calibrated to the latest calibration. |
| 24106 | Service campaign | Aug 25, 2025 | Air Conditioning Human Machine Interface (HMI) Panel and Electronic Control Unit (ECU) Software Update |
| 25104 | Service campaign | Aug 4, 2025 | MODELS INVOLVED: International® MV™ Series trucks |
| 25106 | Service campaign | Aug 4, 2025 | SUBJECT: High-Voltage Distribution Unit (HVDU) Connector Plug |
| 25101 | Service campaign | May 27, 2025 | Certain IC Bus™ Electric CE Series buses may have the front and rear A/C evaporator temperature sensor harness routed incorrectly. |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for IC Bus and International, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is IC Bus and International 26101 a recall?
No. A service campaign is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls.
Is the 26101 repair free?
A service campaign is usually paid by the manufacturer on the vehicles it names, within the terms and time limit the document sets; the dealer checks the VIN against the manufacturer’s list.
Which vehicles does 26101 cover?
The manufacturer filed it against 59 model years across 2 brands (IC Bus and International): 2021 IC Bus Cesb, 2022 IC Bus Cesb, 2023 IC Bus Cesb, 2024 IC Bus Cesb, 2025 IC Bus Cesb, 2026 IC Bus Cesb and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.