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Service bulletin 08-021-15

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10144831
Published by NHTSA2018-09-24
Manufacturer's number08-021-15
Manufacturer's date2015-03-07
NHTSA componentSERVICE BRAKES; POWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

Transmission Over Temperature Message This bulletin involves updating the Body Control Module (BCM) software. The customer may notice a cluster message ?Transmission Over Temperature? that appears for a short time and the Malfunction Indicator Lamp (MIL) may turn on. The customer may also notice that the Dynamic Car Control System may default to Natural mode and not allow the customer to change modes. On further inspection, the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): ? B1067-67 VDSM (Vehicle Dynamic System Module) C CAN Signal-Signal Incorrect After Event. ? B1009-64 Brake Switches-Signal Plausibility Failure. ? B1009-67 Brake Switches-Signal Incorrect After Event. ? B10AA-4A Check Configuration Failed-Incorrect Component Installed. ? U1703-86 IPC (Instrument Control Panel)-Signal Invalid. ? U1703-87 IPC (Instrument Control Panel)-Missing Message. ? U11BC-00 Lost Brake Switch Message.

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

Brakes, Transmission and driveline, Automatic transmission

Trouble codes named

B1009, B1067, B10AA, U11BC, U1703

Vehicles listed
ALFA ROMEO 4C2015

Listing a model year does not mean every vehicle of it is concerned: the document says which.