NHTSA ID Number: 11017197
Manufacturer Communication Number: MAS004696 RU 25-08
TSB/Document Date: 2025-04-24
Summary
Grecale – Electric Absorption Improvement BCM – RFHM – SLML – SLMR Software Updates, Certain Maserati
Grecale (M182) MY23 MY24 MY25 listed in MODISCS+ are involved in a Rapid Update to update the software in several modules to improve electrical absorption. This electric absorption improvement can be reached by updating the following modules all in one shot: ▪ BCM (Body Control Module) ▪ RFHM (Radio Frequency HUB Module) ▪ SLML (Smart Lighting Module Right) ▪ SLMR (Smart Lighting Module Left
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TSB/Document ID: MAS004696 RU 25-08
Replacement Service Bulletin Number:
MFR Communication Date: 2025-04-09
MFR Internal Campaign ID/Software Version: Rapid Update 735
Communication Type: Service Campaign
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem:
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RAPID UPDATE
FROM: Maserati TSO
TO: Maserati Network
Rapid Update 735
Grecale – Electric Absorption Improvement
BCM – RFHM – SLML – SLMR Software Updates
DATE: April 9, 2025
Certain Maserati Grecale (M182) MY23 MY24 MY25 listed in MODISCS+ are involved in a Rapid
Update to update the software in several modules to improve electrical absorption.
This electric absorption improvement can be reached by updating the following modules all in
one shot:
▪ BCM (Body Control Module)
▪ RFHM (Radio Frequency HUB Module)
▪ SLML (Smart Lighting Module Right)
▪
SLMR (Smart Lighting Module Left)
We remind you that all the Rapid Updates must be performed within the first workshop visit,
regardless of the Mandatory setting set in Modis, as required by Maserati policies.
Also, for vehicles in Stock Dealer / PDI, it is necessary to carry out all action operations before
delivery to the end customer, as required by the White Book and explicitly reported in the Predelivery checklist.
Please read and review this bulletin first before ordering parts and/or starting the procedure.
Contact your Regional AfterSales Manager (RAM) or the Technical Support Helpdesk if you
have any questions.
Thank You for your continued support and cooperation.
Maserati North America
Aftersales Dept.
© 2025 Maserati North America
Aftersales
www.maseratiusa.com
MAS004696
All rights reserved. Reproduction or translation in
whole or in part is not permitted without
authorization from the publisher. Printed in USA
Page 1 of 3
TECHNICAL SERVICE OPERATIONS
MAS004696 RU 25-08
TECHNICAL SERVICE OPERATIONS
Overview
Software version to be installed (or newer).
ECU
Market
F188 Target
BCM
ROW
670354211
RFHM
ROW
670353736
SLML
+
SLMR
ROW
670355878
NOTE: the claim submission is a self-declaration that all the 4 modules listed are updated at the SE closure.
Technical Procedure
All images shown in this bulletin are for illustrative purposes only
1. Always check ModisCS+ to see if the vehicle is involved in this action and if it has not been
previously performed.
2.
Please ensure the following preconditions are met before starting:
a. Battery voltage > 12.5V (It is recommended to always use the E-XTEQ MAXIMUS to maintain
minimum voltage and current draw requirements).
b.
c.
Key ON and Engine OFF
Vehicle parked.
3.
Using MD-EVO, perform software updates on the 4 ECUs below:
▪
From ECU View, select the BCM – ECU programming
▪
From ECU View, select the RFHM – ECU programming
▪
From ECU View, select the SLML – ECU programming
▪
From ECU View, select the SLMR – ECU programming
4.
After completing the software updates on all ECUs, perform BCM – Procedures – PROXI Alignment.
5.
After the PROXI alignment, only for BEV vehicles, please follow the following procedures:
▪
Close the MDEVO application and disconnect the MDVCI2
▪
Disconnect the 12V Battery Maintainer from the 12V Battery
▪
Perform the Key OFF
▪
Make sure that the hood, the trunk and all the doors are properly closed
▪
Wait for the power latch (wait until the dashboard clock turns off)
NOTE: allow the car to sleep for ten minutes
6.
▪
Reconnect the 12V Battery Maintainer to the 12V Battery
▪
Perform the Key ON
▪
Reconnect the MDVCI2, restart the MDEVO application and clear DTCs from the ECU View
▪
Perform the Ignition Cycle (Key OFF and Key ON)
Procedure complete.
© 2025 Maserati North America
Aftersales
www.maseratiusa.com
MAS004696
All rights reserved. Reproduction or translation in
whole or in part is not permitted without
authorization from the publisher. Printed in USA
Page 2 of 3
TECHNICAL SERVICE OPERATIONS
Warranty Claim
Fill in the relative Warranty Claims as follows:
Description
Code
Number
735
Warranty Code
23
Fault Code
063
Component Code
Operation Code
© 2025 Maserati North America
Aftersales
www.maseratiusa.com
MAS004696
9.99.000
9.99.000.A (0,40h)
All rights reserved. Reproduction or translation in
whole or in part is not permitted without
authorization from the publisher. Printed in USA
Page 3 of 3
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