MAS004009

TECHNICAL SERVICE OPERATIONS
MAS004009 MTB 24-14
Technical Information
FROM: Maserati TSO
TO: Maserati Network
BCM DTCs A80315 and A80115
DATE: March 5, 2024
This Technical bulletin serves as a guide and provides additional diagnostic info regarding new
software to prevent possible BCM DTCs related to the stop lights.
MODEL: Ghibli M157 (from MY21 to MY24)
SUBJECT:
Stop light warning message on cluster. May be Intermittent.
DTC in ECU:
BCM:
A80315 - Right Tail Lamp / Brake Lamp 2 Control Circuit-Circuit Short to Battery or Open
A80115 - Left Tail Lamp / Brake Lamp 2 Control Circuit-Circuit Short to Battery or Open
ACTION:
In case the customer complains about the above issues and the vehicle has stored the fault codes listed
above, check the availability of the following SW update for the BCM control unit (or subsequent ones):
F151 – SW version
23.46.160
In such case, carry out the ECU programming. After that, check the BCM scan report. The parameter “F151 Software Version Information” will appear as follows:
Clear all DTCs and perform a functional test.
If the vehicle does not fall within the MY21-MY24 range, or if the problem is present even though the BCM is
already updated to the latest software, the cause of the anomaly could be of a different nature, which will
require further investigation. Open a BOL for further Assistance
TECHNICAL SERVICE OPERATIONS
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MAS004009
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whole or in part is not permitted without
authorization from the publisher. Printed in USA
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