IC Bus service campaign 25106
What it saysHigh-Voltage Distribution Unit (HVDU) Connector Plug NHTSA’s full summary ↓
IC Bus filed this with NHTSA as a service campaign dated Aug 4, 2025, received Sep 3, 2025, about the electrical system. It names 2 model years (2024–2025). 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.
What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationSUBJECT: High-Voltage Distribution Unit (HVDU) Connector Plug
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| 25106 | Service campaign | Aug 4, 2025 | 11022452 | PDF, 500 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 themAlso filed against: 2024 IC Bus Cesb; 2025 IC Bus Cesb.
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 group3 other manufacturer communications filed against the IC Bus Cesb under the same component group (electrical system), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| 26102 | Service campaign | Jul 7, 2026 | This document will guide the user through installing 12V disconnect label to the battery door. |
| 26101 | Service campaign | May 22, 2026 | Certain International® trucks and IC BusTM CE Series buses may have out of date BCM programing that may cause erroneous fault codes after a… |
| 24108 | Service campaign | Nov 11, 2024 | Certain electric vehicles may have been built without the Level 2 Manual Service Disconnects (MSDs). This document walks the user through i… |

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, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is IC Bus 25106 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 25106 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 25106 cover?
The manufacturer filed it against 2 model years: 2024 IC Bus Cesb, 2025 IC Bus Cesb. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.