Some 2024 Acadia, Traverse; and 2025 Enclave models may have an active grille shutter malfunction along with DTC P059F (Active Grille Air Shutter 1 Performance) set in the Engine Control Module. These conditions may be caused by a bent hood-support front bumper bracket. (Fig. 10) The condition of the bracket should be inspected before replacing the active griller shutter.
Fig. 10
When checking the hood-support front bumper bracket, look for a bend in the lower part of the bracket. (Fig. 11)
Fig. 11
If the bracket is found to be bent, remove the bracket and command the active grille shutter using GDS2. If the shutter moves when commanded, replace the damaged bracket only. If the shutter does not move smoothy or does not operate properly, replace the bracket and the shutter. A good bracket is shown below. (Fig. 12) If there is not any damage found, follow the appropriate Service Information for the DTC.
Fig. 12
Refer to #PIT6218 for more information.
Thanks to David Goodrow
