GMC Sierra 1500 owners have reported 1 problem related to automatic transmission fluid/lubricant valves/valve body (under the power train category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Sierra 1500 based on all problems reported for the Sierra 1500.
The contact owns a 2023 GMC Sierra 1500. The contact stated that while driving on several occasions at speeds above 30 mph, the vehicle shuddered abnormally. There was no warning light illuminated during the failures. The vehicle was taken to a dealer, where it was diagnosed, and determined that the valve body needed to be replaced. The vehicle was repaired, but the failure recurred approximately six months later. The manufacturer was notified of the failure. The failure mileage was 81,000.
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