Possible causes

– Faulty Brake Switch
– Brake Switch harness is open or shorted
– Brake Switch circuit poor electrical connection

When is the code detected?

Vehicle speed over 35 MPH and down to 0 MPH 5 times-No change in brake switch input detected

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P0719 MAZDA Description

The torque converter clutch (TCC) brake switch is used to indicate the status of the brake pedal