Ford P0703 OBD-II Trouble Code Definition:
P0703 Brake Light Switch Plausibility
P0703 Ford OBD-II Trouble CodeDescription:
OBD Trouble Code P0703
Brake Switch “B” Circuit
What does the code mean? OBD-ii Code P0703 definition:
Engine Control Module (ECM) detected accelerations and decelerations with no brake switch change
Engine Control Module (ECM) detected accelerations and decelerations with no brake switch change
Symptoms Sumptoms of OBD code P0703
– Engine Light ON (or Service Engine Soon Warning Light) – Brake lights inoperative
– Engine Light ON (or Service Engine Soon Warning Light) – Brake lights inoperative
Causes Causes of the OBD-II code P0703
– Open or short brake switch circuit – Poor brake switch connection – Misadjusted brake switch – Damaged brake switch
– Open or short brake switch circuit – Poor brake switch connection – Misadjusted brake switch – Damaged brake switch
Solutions Check if the stop light works with the brake pedal, if the brake lights are inoperative, replaced or adjust the brake switch.