Volvo Bus B8r: Ems Software Bug On M33b Release
Volvo Bus is recalling 2 B8R buses due to a software bug in the emissions management system that can cause excessive fuel injection into the muffler during regeneration cycles. This defect can result in dangerously high temperatures inside the muffler, creating a fire risk. Volvo retailers will reprogram the vehicle's control modules to fix the issue.
- Recalling firm
- VOLVO BUS
- Product
- Vehicles: VOLVO BUS B8R. Units affected: 2
- Reason
- Last EMS/ACM SW release introduced a bug in the Regeneration Management system on some B8R and B5LH/TL vehicles. This bug increases the AHI flow at start of regeneration resulting in too much fuel being injected into the muffler. As a consequence there is a risk of very high temperatures inside the muffler with a risk of a thermal event. Remedy: Volvo retailer will Reprogram the affected ECUs.
- Category
- vehicle recall
- Country
- United Kingdom
- Agency
- UK Driver and Vehicle Standards Agency
- Recall date
- 2024-11-21
- Status
- Ongoing
- Distribution
- United Kingdom
Official recall notice from UK Driver and Vehicle Standards Agency
Recall details on Nibble Recalls: https://trynibble.app/recalls/1550fa7b-c889-4bee-9703-6f2e75865f3d