P0703 MERCEDES-BENZ – Brake Switch Performance

P0703 MERCEDES-BENZ Possible Symptoms

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

P0703 MERCEDES-BENZ Possible Causes

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

P0703 MERCEDES-BENZ Description

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