P0703 MAZDA – Brake Switch 1 Circuit Malfunction

P0703 MAZDA Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light),Brake lights inoperative

P0703 MAZDA Possible Causes

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

P0703 MAZDA Description

Engine Control Module (ECM) detected accelerations and decelerations with no brake switch change