Not sure if these are correct, but here goes:
From the generic database: P0228 Throttle/Petal Position Sensor/Switch C Circuit High Input
P011C module:ECM
Ambient Air Temperature Sensor circuit high.
Sensor disconnected
Defective sensor/ damaged wires/ wire shorted to battery Vbat/ ECM voltage supply too High.
Make sure sensor connector is fully inserted.
Measure voltage between harness connector pins 1 & 4 .
(expected value: 4.8 to 5.1 volts)
Measure resistance from connector: ECMA-H4 to AAPTS-1
(expected value: < 2 Ω) Measure resistance from connector: ECMA-J4 to AAPTS-2
(expected value: < 2 Ω)