One problem related to service engine light on has been reported for the 2011 Chevrolet Suburban. The most recently reported issues are listed below.
Engine was idling low and hesitating at low speeds, then engine started running rally rough. Service engine light came on, changed gas in vehicle, problem continued. Engine running really rough and service stabilitrack light came on. Took truck to dealership and was told the first spark plug was fouled due to oil contamination and that engine and fuel injectors and throttle body needed cleaning. This cost $475 and was not covered by warranty.