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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 891 (Engine Control System (Diagnostic Codes & Symptom Tests)) >> DTC/Circuit Diagnosis >> DTC P1554: Battery Current Sensor >> On Board Diagnosis Logic

On Board Diagnosis Logic

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

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

NOTE: If DTC P1554 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to P0850 PNP SWITCH .
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1554
1554
Battery current sensor performance The output voltage of the battery current sensor is lower than the specified value while the battery voltage is high enough.
  • Harness or connectors (The sensor circuit is open or shorted.)
  • Battery current sensor