NHTSA Complaint #11594618 — 2015 KIA SOUL

I am experiencing multiple safety and performance issues with my 2015 Kia Soul: 1.Vibration at Idle: Significant vibration when the vehicle is idling at a red light. Possible causes include worn engine mounts, faulty spark plugs or ignition coils, issues with the idle control valve or throttle body, or vacuum leaks. 2.Electrical Issues: • Codes: B111216 (Ignition Voltage Low), B17672F (OCS Algorithm Cut Off), B251100 (Head Lamp High LH SCG), B251300 (Head Lamp Low LH SCG) • Symptoms include low battery voltage warnings and short circuits in the headlamp circuits. Possible causes might be a failing battery or alternator, or damaged electrical wiring. 3. Emission System Problems: • Codes: P0455 (Evaporative Emission System Leak Detected), P0420 (Catalyst System Efficiency Below Threshold) • Symptoms: Check engine light related to emission control systems. Potential causes include a loose or damaged gas cap, cracked EVAP hoses, faulty purge or vent valves, and failing catalytic converter or oxygen sensors. 4. Airbag System Issues: • Codes: B151100 (Buckle Switch Driver Open or Short to Battery), B110200 (Battery Voltage Low), B149000 (OCS Defect) • Symptoms: Warning lights related to the airbag system. Possible causes include faulty seat belt buckle switches, low battery voltage, or issues within the Occupant Classification System. 5. TPMS Issues: • Codes: C1314 (Sensor 3 Radio Frequency Channel Failure), C1662 (Auto Learning Failure) • Symptoms: TPMS warnings and inability to correctly monitor tire pressure. Possible causes are sensor failures or calibration issues. Despite regular maintenance, these issues persist and affect the safety and drivability of my vehicle. I request an investigation into these problems to determine if they are common in this model and if there are any recalls or service bulletins that address them. Thank you for your attention to this matter.