BULLETIN NOTES
This service alert supersedes the previously issued service alert(s) listed below. The changes are noted in Red text.
Previous Service Alert(s):

Date(s) Issued:

SA-035/21

05/19/21

APPLICABLE MODEL(S)/VINS
2020-2024 CX-30

DESCRIPTION
A customers may experience a roof water leak. The symptoms may include:
• Water in the spare tire well
• Water in the rear differential
• Electrical malfunctions
Infotainment system no audio sound from radio or other audio sources due to Remote Tuner water
intrusion
○

The source of the leak may be pinhole anywhere along the roof seams under the 2 trim strips (where the roof rails
attach). Depending on the location of the leak, the headliner may or may not be visibly affected.

Decription from the TI

A customer may report a water leak, electrical problems, or warning lights. If water is found, follow the repair instructions.
Possible complaints*:
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•
•
•
•
•
•
•

Warning lights on/flashing
Doors and/or liftgate do not work correctly
Audio system problems of any kind
Vehicle lighting concerns
Water in the rear
Smell from the rear
Sloshing noise when driving

* This list is not all-inclusive, there may be other symptoms found in the future.

REPAIR PROCEDURE
1. Document the following information on the RO:
Document all concerns caused by the leak (e.g. radio not working because Remote Tuner got wet).
Check for and document any stored DTCs.
Take photos of the area where the leak was found. These will be needed for the warranty claim or preauthorization (if needed).
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2. Check these locations on both sides of the vehicle for a small hole. If a leak is found at this location, sublet to a
body shop for repairs.

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3. If no leak source was found in step 2, check the rest of the panel seams under the roof trim. If leaks are found
there, sublet to a body shop for repairs.
4. If no leaks are found in steps 2 & 3, check the sunroof drains. If the hoses are detached, attach them to the
correct locations. If they are damaged or kinked, replace them.
5. If no leaks are were found in steps 4, 5, & 6, check for leaks from doors or glass. Recheck for leaks with the
headliner lowered or removed. Repair as needed.
6. Repair or replace components that were damaged by the water leak. Take photos for warranty documentation.

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INFORMATION FROM TI TO MERGE AS SECOND LOCATION

1. Remove the bracket using the STAY DAMPER REMOVAL/INSTALLATION procedure and remove the gasket.
Do the liftgate strut bracket gaskets look the images below?

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YES - Go to the next step.
NO - Reassemble the struts.

2. Replace the gaskets and retest the vehicle for water leaks.

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3. Check all harnesses and modules located at the rear of the vehicle for water intrusion. Modules with water inside
should be replaced, harnesses should be dried and carefully inspected for terminal corrosion. If any corrosion is
found, replace the harness.
4. If the vehicle is AWD, drain the gear oil and check for any water in the rear differential.
If water is found, document that and test drive the vehicle to confirm there isn't any internal damage.
If no water is found, document that there was no water found.
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THE THIRD POSSIBLE SOURCE OF A LEAK

Check the liftgate grommets, it they are leaking, refer to steps 7 and 8 of the LIFTGATE REMOVAL/INSTALLATION for
items that must be replaced when removing the grommet from the body.
NOTE: If you remove the grommets, you must replace the items marked with an [R] in the LIFTGATE REMOVAL/
INSTALLATION.

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WARRANTY INFORMATION
Please follow existing warranty processes.

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