One problem related to check engine light on has been reported for the 2017 GMC Sierra 1500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2017 GMC Sierra 1500 based on all problems reported for the 2017 Sierra 1500.
On may 26, 2020, my 2017 truck's check engine light appeared. Vehicle is in original manufacturer's warranty with 25,000 miles, + or -. Truck driven infrequently during "stay-at-home period. Took to GMC dealer immediately; read code; indicates all 8 fuel injectors out of tolerance. Can't explain why or provide impact to vehicle if driven in this condition. Can't be driven; dealer provided loaner. Can't advise if vehicle's engine will cut-of if driven causing unknown issues. Fuel injectors are on back order-no estimate of receipt date! another 2017 GMC truck there with same issue-been there for longer period. Gm will not advise dealer when fuel injectors will be received. Delay possibly associated with gm strike or virus. If two or more vehicles have problem, is pattern or practice-a systemic issue. Gm customer assistance can not provide information. Difficult to contact gm corporate offices for assistance. Today is three weeks without my vehicle, which I need. Gm is not providing adequate (any) information to its dealer. This out of tolerance fuel injector situation has been noted on gm owner websites; it is not unusual.
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