P0703 Kia Brake Light Switch Plausibility
Possible causes
– Faulty Brake Switch
– Misadjusted Brake Switch
– Brake Switch harness is open or shorted
– Brake Switch circuit poor electrical connection
– 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 Warning Light)
– Brake lights inoperative
– Brake lights inoperative
P0703 Kia Description
Engine Control Module (ECM) detected accelerations and decelerations with no brake switch change
Kia Vehicle:Kia Amanti,Kia Borrego,Kia Forte,Kia Optima,Kia Rio,Kia Rondo,Kia Sedona,Kia Sorento,Kia Spectra,Kia Sportage,Kia Sorento,Kia KM420,Kia Cadenza,Kia Picanto,Kia Borrego,Kia Forte