Service bulletin A25-054
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 11021755 |
| Published by NHTSA | 2025-08-08 |
| Manufacturer's number | A25-054 |
| Manufacturer's date | 2025-08-01 |
| NHTSA component | ELECTRICAL SYSTEM |
NHTSA's summary
Service Bulletin - Customers are experiencing issues with OnStar and HondaLink due to the software within the telematics control unit needing a software update.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Electrical system
| HONDA PROLOGUE | 2025 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| APOC04172026901 | 2026-04-22. Other. Dealer Message -American Honda is requesting parts in support of a quality investigation related to Rear View Camera part number 86583111. All dealers that have inventory of Rear View Camera part number 86583111 are asked to inspect current inventory and return parts meeting the described return criteria to American Honda. |
|---|---|
| A26-051 | 2026-04-14. Service bulletin. Service Bulletin - Insufficient silicone application to the DC-DC converter can result in excessive heat exposure during charging, leading to overheating of the Power Distribution Control Module (PDCM) and possibly rendering the charging system inoperative. |
| AEBM04012026905 | 2026-04-14. Other. Dealer Message - During the manufacturing process, insufficient silicone was applied to the DC-DC converter which may lead to excessive heat exposure, causing the Power Distribution Control Module (PDCM) to overheat and potentially rendering the system inoperative. |
| A25-091 | 2025-11-04. Service bulletin. Service Bulletin - Vehicle-Wide Programming (VWP), also known as SPS3-VWP, is a feature within Techline Connect (TLC) to update all applicable control module software at the same time. When initiated, all applicable updates are done in parallel, instead of the conventional individual control module update. Customers may have complaints or concerns that may get resolved by doing this software update. |
| A25-043 | 2025-06-05. Service bulletin. Service Bulletin - A Malfunction Indicator Lamp (MIL) may illuminate, or a “Service High Voltage” message may appear. Additionally, the 12-volt battery may intermittently or persistently discharge due to an internal Battery Energy Control Module (BECM) calibration anomaly causing the setting of specific DTCs related to battery performance and communication. |