FixVault

DTC Detection Logic

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P1805

BRAKE SW/CIRCUIT

(Brake switch)

A brake switch signal is not sent to ECM for extremely long time while the vehicle is being driven.

  • Harness or connectors

    (Stop lamp switch circuit is open or shorted.)

  • Stop lamp switch