P0689, P2101, P1516, P1682 Chevrolet - crank but won't start.

Question

The truck cranks and it won't start the codes in the scanner are P0689, P2101, P1516, & P1682

Answer 1

P0689 Computer and control system ignition relay feedback circuit low voltage

P2101 Control module throttle actuator position performance

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

P1682 Ignition 1 switch circuit 2

In the engine fuese relay box check for blown fuses and replace relay listed as PWR/TRN relay . do not swap it out, THis can just be a open fuse or a malfunction of the relay,