C0094

DTC C0094 Brake Switch Always ON






Circuit Description
This DTC is used to identify the conditions of brake switch circuit. The EBCM sends a low current 5 volt sense voltage on brake switch input line to the rear brake light bulbs. If the rear brake light circuit is intact, this voltage will be pulled low (under 1 volt) to ground through the rear brake light bulbs. When the brake light switch is depressed, battery voltage will be supplied to the rear brake lights and to the EBCM, indicating brake lights are on.

Conditions for Setting the DTC
^ Out of adjustment or shorted brake switch contacts.
^ Brake switch circuit shorted to battery.
^ Internal EBCM fault.

Conditions for Clearing the DTC
^ If the conditions that the DTC C0094 no longer presents, the DTC can be cleared by scan tool.
^ The DTC that has not occurred in 100 drive cycles will be cleared from the history data.

Action Taken When the DTC Sets

Steps 1-8:

^ ABS remains functional.