FixVault

On Board Diagnosis Logic

The MIL will not light up for this self-diagnosis. 

NOTE: If DTC P1550 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to "DTC P0643 SENSOR POWER SUPPLY ".
DTC DETECTING CONDITION

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1550
1550
Battery current sensor circuit range/performance The output voltage of the battery current sensor remains within the specified range while engine is running.
  • Harness or connectors

    (The sensor circuit is open or shorted.)

  • Battery current sensor