Technical Service Bulletin B640615 — 2015 BMW 328D
EQUIPMENT:APPLIANCE:AIR CONDITIONER
Bulletin Details
| TSB ID | B640615 |
| Manufacturer | |
| Vehicle | 2015 BMW 328D |
| Component | EQUIPMENT:APPLIANCE:AIR CONDITIONER |
| Communication Date |
Bulletin Summary
"IHKA - Blower Runs in Emergency Mode. After the ignition is turned off and the vehicle is locked, the heating and air conditioning blower motor runs continuously. The next time the vehicle is started there may be the CCM (Check control message) displayed for ""Increased battery discharge"". CAUSE The blower output stage receives an invalid LIN bus signal during operation and switches to emergency mode. The blower will continue to run with the specified emergency mode after the ignition is turned off and the vehicle is locked."
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.
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