DTC Detection Logic

DTC No.	Trouble diagnosis name (Trouble diagnosis content)	DTC detecting condition	Possible cause
P1551	BAT CURRENT SENSOR (Battery current sensor circuit low input)	An excessively low voltage from the sensor is sent to ECM.	Harness or connectors (Battery current sensor circuit is open or shorted.) (Accelerator pedal position sensor 2 circuit is shorted.) [Camshaft position sensor (bank 1) circuit is shorted.] (Crankshaft position sensor circuit is shorted.) (Refrigerant pressure sensor circuit is shorted.) (EVAP control system pressure sensor circuit is shorted.) Battery current sensor Accelerator pedal position sensor Camshaft position sensor (bank 1) Crankshaft position sensor Refrigerant pressure sensor EVAP control system pressure sensor
P1552	Battery current sensor circuit high input (BAT CURRENT SENSOR)	An excessively high voltage from the sensor is sent to ECM.