DTC Detection Logic

NOTE:

If DTC P0122, P0123, P0227 or P0228 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to DTC LOGIC .

DTC No.	Trouble Diagnosis Name	DTC Detecting Condition	Possible Cause
P0122	Throttle Position Sensor 2 (Bank 1) Circuit low input	An excessively low voltage from the TP Sensor 2 is sent to ECM.	Harness or connectors (TP Sensor 2 Circuit is open or shorted.) Electric Throttle Control Actuator (TP Sensor 2)
P0123	Throttle Position Sensor 2 (Bank 1) Circuit high input	An excessively high voltage from the TP Sensor 2 is sent to ECM.
P0227	Throttle Position Sensor 2 (Bank 2) Circuit low input	An excessively low voltage from the TP Sensor 2 is sent to ECM.
P0228	Throttle Position Sensor 2 (Bank 2) Circuit high input	An excessively high voltage from the TP Sensor 2 is sent to ECM.