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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 P1805: Brake Switch >> On Board Diagnosis Logic >> Notes

On Board Diagnosis Logic: Notes

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  .

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1805
1805
Brake switch A brake switch signal is not sent to ECM for extremely long time while the vehicle is driving.
  • Harness or connectors (Stop lamp switch circuit is open or shorted.)
  • Stop lamp switch