Traction control light came on and power was derated and had no throttle
Code P1516 ThrottleActuator Control (TAC) reduced engine power. Try this link http://www.acadiaforum.net/24-engine-drivetrain/10369-code-p1516-throttle-actuator-control-tac-reduced-engine-power.html#/topics/10369?page=1.
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