NHTSA ID Number: 11018404
Manufacturer Communication Number: MAS004706 RU 25-12
TSB/Document Date: 2025-05-16
Summary
Certain Maserati
Grecale (M182) MY23 MY24 listed in MODISCS+ are involved in a Rapid Update to reposition the RFHM antenna. Under certain conditions, the RFMH system may encounter signal reception issues, resulting in errors and inconveniences for the customer. These may include difficulties in opening doors or the rear hood, despite proximity and the key being readily available. The procedure utilizes a set of components designed specifically for relocating the RFHM antenna from the original position to a position that improves signal visibility.
TECHNICAL SERVICE OPERATIONS
MAS004706 RU 25-12
RAPID UPDATE
FROM: Maserati TSO
TO: Maserati Network
Rapid Update 689
Grecale – RFHM antenna repositioning
ATTENTION! This bulletin supersedes MAS004227 MTB 24-18 released on May 16, 2024. This bulletin has
been updated with new information. Please discard/remove all copies of the previous bulletin.
UPDATE: The campaign scope has been refined to include only vehicles registered within the past 12 months. The
issue addressed is rare and typically appears within the first year of use. This adjustment minimizes unnecessary
interventions that require extensive disassembly and repair time.
Maserati remains committed to supporting customers. If a concern arises outside the 12-month window but within
the warranty period, please submit a BOL under “Support Request” for further evaluation. If a technical issue is
confirmed, repair costs will be fully covered under warranty.
DATE: MAY 6, 2025
Certain Maserati Grecale (M182) MY23 MY24 listed in MODISCS+ are involved in a Rapid
Update to reposition the RFHM antenna.
Under certain conditions, the RFMH system may encounter signal reception issues, resulting in
errors and inconveniences for the customer. These may include difficulties in opening doors or
the rear hood, despite proximity and the key being readily available.
The procedure utilizes a set of components designed specifically for relocating the RFHM
antenna from the original position to a position that improves signal visibility.
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
MAS004706
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 22
The procedure described in this bulletin involves a series of preventive dismantling that must be
carried out in conjunction with the procedures outlined in the workshop manual. In this regard, you
will find all the components required for rework below, including a relocation template Included
with the bulletin (Grecale_TPMS_bracket_template.pdf) and the protective materials required, are
all listed in the appropriate section of this bulletin.
Additional supplies needed (Not included)
•
•
•
acrylic polyester tape at least 40 mm wide (See step 62)
Painter’s tape (See step 64)
anti-corrosion primer (See step 66)
Spare Parts
Parts needed to perform the rework; it is necessary to order the following spare parts:
SPARE PARTS
QTY
PN
M182 TPMS ANTENNA RETROFIT BRACKET
670310081
1
SCREW
675001491
2
RIVET (*)
675000323
1
WASHER 6X21
675000441
1
GREEN ANTENNA CABLE
670311391
1
BLUE ANTENNA CABLE
670311392
1
(*) The washer indicated in the table will be available from May 2024. In the
meantime, it is possible to use any commercial flat washer suitable for this
purpose (dimensions D.6 – d1 21X1 mm)
© 2025 Maserati North America
Aftersales
www.maseratiusa.com
MAS004706
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 22
TECHNICAL SERVICE OPERATIONS
Overview
Warranty Claim
Description
Code
Rapid Update Number
689
Warranty code
23
Fault code
063
Part Number
TECHNICAL SERVICE OPERATIONS
Complete the warranty claim as follows:
8.53.097
Operation Code
▪
Rework
8.53.097. A (2.65 h)
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.
Considering that the work will take place inside the vehicle, take the necessary precautions to avoid any
damage.
3.
Before replacing the antenna, disconnect the battery, following the instructions in the workshop manual.
8.20.001 BATTERY Disconnect-Power Supply Connection.
4.
Press the right point first(1) and then the left point (2) without releasing point (1) to release the drive-bywire transmission panel from the center console.
5.
Pull out and remove the drive-by-wire transmission panel from the center console.
© 2025 Maserati North America
Aftersales
www.maseratiusa.com
MAS004706
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 22
Disconnect the connector.
7.
Remove the screws as shown.
8.
Pull out the display as shown.
9.
Move the display and disconnect the indicated connector.
TECHNICAL SERVICE OPERATIONS
6.
© 2025 Maserati North America
Aftersales
www.maseratiusa.com
MAS004706
All rights reserved. Reproduction or translation in
whole or in part is not permitted without
authorization from the publisher. Printed in USA
Page 4 of 22
TECHNICAL SERVICE OPERATIONS
10. Release the passenger-side dashboard trim panel (1) with a suitable Teflon tool.
11. Push the passenger-side dashboard trim panel plate with your left hand and release the clip (1) by pulling
it downwards as shown.
12. Remove the dashboard clock (1) using a plastic interior trim removal tool.
13. Disconnect the indicated connector and remove the clock on the dashboard
© 2025 Maserati North America
Aftersales
www.maseratiusa.com
MAS004706
All rights reserved. Reproduction or translation in
whole or in part is not permitted without
authorization from the publisher. Printed in USA
Page 5 of 22
TECHNICAL SERVICE OPERATIONS
14. Remove the 3 screws shown.
15. Using a plastic interior trim removal tool, remove the central air vent (1)
16. Disengage the clips shown.
© 2025 Maserati North America
Aftersales
www.maseratiusa.com
MAS004706
All rights reserved. Reproduction or translation in
whole or in part is not permitted without
authorization from the publisher. Printed in USA
Page 6 of 22
TECHNICAL SERVICE OPERATIONS
17. Release the clip shown.
18. Release the clip shown.
19. Lower the duct at the left dashboard air opening (1) and the duct at the right dashboard air opening (2)
as shown.
© 2025 Maserati North America
Aftersales
www.maseratiusa.com
MAS004706
All rights reserved. Reproduction or translation in
whole or in part is not permitted without
authorization from the publisher. Printed in USA
Page 7 of 22
TECHNICAL SERVICE OPERATIONS
20. Pull out the front ceiling light (1) using a plastic interior trim removal tool
21. Disconnect the connector and remove the front ceiling light (1).
22. Release the sun visor (2) from its support (1).
1
2
23. Using a plastic interior trim removal tool, remove the sun visor support cover.
© 2025 Maserati North America
Aftersales
www.maseratiusa.com
MAS004706
All rights reserved. Reproduction or translation in
whole or in part is not permitted without
authorization from the publisher. Printed in USA
Page 8 of 22
TECHNICAL SERVICE OPERATIONS
24. Undo the screw and remove the sun visor support (1).
25. Repeat the operation for the passenger-side sun visor support
26. Open the cover (1) and remove the screws shown below.
© 2025 Maserati North America
Aftersales
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TSB/Document ID: MAS004706 RU 25-12
Replacement Service Bulletin Number:
MFR Communication Date: 2025-05-06
MFR Internal Campaign ID/Software Version: Rapid Update 689
Communication Type: Service Campaign
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem:
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