car will not start 2008 cadillac dts

Question

car will not start on 2008 cadillar dts 4.6 engine what can it be

Answer 1

P1516 Throttle actuator control (TAC) Module throttle actuator position performance

The vehicle woould still be able to start with this code condtion but it would have reduce powerl  mode. Fuel pressure should be check for this condition.