Some Silverado Drivers Fear the Rain
TRENDING TSB
2023–2025 Silverado and Sierra customers have reported their sunroofs tilting open unexpectedly, often during startup, when turning on the lights, or returning to the vehicle. The issue stems from the overhead console’s microprocessor and affects all trims equipped with a factory sunroof. GM has issued bulletin PIT6336A with a temporary fix while a long-term design update is in the works. In the meantime, close the sunroof and pull fuse F54DR from the right-hand I/P junction block to disable the sunroof.
The detailed repair procedure is included in the TSB.
The entire TSB can be found by logging into ALLDATA. Under Select Vehicle, enter in the search field:
23 Silverado
Select the vehicle underneath, then enter in the search field (upper right corner):
PIT6336A
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