P0703 MAZDA Brake Switch 1 Circuit Malfunction

Possible causes – Faulty Brake Switch– Misadjusted Brake Switch– Brake Switch harness is open or shorted– Brake Switch circuit poor electrical connection Tech description Check if the stop light works with the brake pedal, if the brake lights are inoperative, replaced or adjust the brake switch. Symptoms – Engine Light ON (or Service Engine Soon…