Brake Light Switch/Brake Test Switch

Brake Switch/Brake Light Test Switch








A brake pedal position status input is required for a few functions.

- The TCM deactivates the shift lock solenoid on vehicles produced as of the 91 model year. The shift lock solenoid prevents the gear selector from being moved out of Park or Neutral, with the key "ON" unless the brake pedal is depressed.
- If the torque converter clutch is engaged when the brake pedal is depressed, the TCM disengages the clutch.

"AGS" control systems also monitor the frequency of brake pedal use to adapt the shift program to momentarily match the driver's style of driving (sport mode activated).