DTC Description
If the deviation between the throttle position by TPS2 signal and the throttle position by ECM's model value is bigger than the threshold value under TPS1 error, the ECM sets DTC P0221.
If the deviation between the throttle position by TPS2 signal and the throttle position by ECM's model value is bigger than the threshold value under TPS1 error, the ECM sets DTC P0221.