SES Light P059F (PIT6218B)

SES LIGHT P059F

TECHNICAL SERVICE BULLETIN

SERVICE INFORMATION

Brand:	Model:	Model Year:		VIN:		Engine:	Transmission:
		from	to	from	to
Buick	Enclave	2025		All	All	All	All
Chevrolet	Traverse (All New)	2024-2025		All	All	LK0	All
GMC	Acadia	2024-2025		All	All	All	All

Involved Region or Country	North America
Condition	SES light on with code P059F set for active grill shutter malfunction.
Cause	Possible bent hood support front bumper bracket.

CORRECTION

Before replacing the grill shutter inspect the bracket in front of it for being bent as shown below.

Courtesy of GENERAL MOTORS COMPANY

Courtesy of GENERAL MOTORS COMPANY

If the bracket is bent, remove the bracket and command the shutter with GDS2.

If the shutter will move when commanded replace the bracket only.

If the shutter does not move or does not move smoothly, replace the bracket and shutter.

See the photo below of a good bracket for comparison.

Courtesy of GENERAL MOTORS COMPANY

If the bracket is not bent follow SI diagnostics for the code.

WARRANTY INFORMATION

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

Labor Operation	Description	Labor Time
* 2087078	Bent Bracket Replacement for P059F	1.1 Hr.
*This is a unique Labor Operation for Bulletin use only.

Version	3
Modified	08/19/2024 - Created on. 01/13/2025- Updated model years. 03/31/2025- Updated to add labor operation.