Floor Wet Under Carpet/Engine Continues to Run with Key Off/Possible No Crank/No Start/Communication Loss/Various Electrical Concerns – 2007-2016 Buick Chevrolet GMC Saturn

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Bulletin No.: 08-08-57-003F
Date: May-2015

Subject:	Floor Wet Under Carpet/Engine Continues to Run with Key Off/Possible No Crank/No Start/Communication Loss/Various Electrical Concerns (Seal Seam)
Models:	2008-2016 Buick Enclave
	2009-2016 Chevrolet Traverse
	2007-2016 GMC Acadia
	2007-2010 Saturn OUTLOOK
Attention:	This Bulletin also applies to any of the above models that may be Export vehicles.

This Bulletin has been revised to update the Cause. Please discard Corporate Bulletin Number 08-08-57-003E.

Condition

Some customers may comment on any, or a combination of, the following conditions:

• Evidence of a water leak at the right side A-pillar and/or the right front floor is wet under the carpet.
• Various electrical concerns such as: Engine Continues to Run with Key Off/Possible No Crank/No Start/Communication Loss/Various Electrical Concerns, which may be a result of a water leak on the IP BEC.
• Other electrical related conditions that may be communication issues between certain electrical modules due to water dripping on the IP BEC.

Cause

Note: If this condition appears suddenly, it might be related to a windshield replacement where the sealing of the glass to the body might be the cause of this concern.

• Inspect the right side A-pillar/windshield area and water test for any leaks.

• Inspect the front drain hoses to ensure that they are free of clogs or kinks, and that water is properly flowing through the hoses.
• Inspect the IP BEC for wetness and/or any green colored corrosion.

For Model Years 2007-2008

Water from the right front sunroof drain hose exits the vehicle through the plenum (upper arrow) and may re-enter through the un-sealed seam at the front of the dash. Refer to lower arrow in the illustration.

In more current models years, sunroof drain hose and windshield related issues have sometimes been found to be a source of a water leak in the A-pillar area. This water can also sometimes leak on the IP BEC and/or onto the floor area.

Correction

For Model Years 2007-2008

Important: Inspect the front drain hoses to ensure that they are free of clogs or kinks, and that water is properly flowing through the hoses.

1. Remove the windshield wipers and cowl screen where sealing repair is to be done.

Important: Inspect the IP BEC for wetness and/or any green colored corrosion.

Important: During water testing, do not point the nozzle/hose upward on the cowl area as this is likely to force water entry where a leak may not even be existent.

2. In order to verify the waterleak, run a small amount of water into the square hole inside the cowl while looking at the IP BEC.
3. Allow the water to dry and proceed to step 4.

4. Seal the seam INSIDE the opening at the bottom and to the right and left of the arrows in the illustration. Seal the full length of the dotted line. Seal the seam with P/N 12378500 (in Canada, use 10952233) Medium Body Seam Sealing Compound or equivalent.

Part Number	Description
12378500 ACDelco GM Original Equipment 10-2013 Body Joint and Seam Filler Compound - 10.1 oz For professional use only – not for retail sale Fast curing and skins over quickly—can be painted 60 minutes after application Can be used for all sealing and adhesive applications with a standard caulking gun in both vertical and horizontal joints Flexible, non-staining, and non-sagging product that will not crack or shrink $19.69 Buy on Amazon Price incl. tax, excl. shipping Last update on 2026-06-19 / Affiliate links / Images from Amazon Product Advertising API	Medium Body Seam Sealing Compound (US)
10952233	Medium Body Seam Sealing Compound (CA)

Warranty Information

For vehicles repaired under the Bumper-to-Bumper coverage (Canada Base Warranty coverage), use the appropriate following labor operation. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for coverage information.

Keywords:

P0562, P129D, P1682, B1440

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