Lane Departure Warning System Fault
2014-2016 Tesla Model S P85D Dual Motor AWD
Description
General malfunction in the lane departure warning or lane keeping assist system.
Symptoms
- LDW/LKA warning light
- Lane departure alerts not functioning
- Lane keeping assist not available
- Driver assist message on dash
Common Causes
- Forward camera malfunction
- Camera calibration lost
- Windshield dirty in camera area
- Lane markings not detected
- EPS fault preventing lane keep steering
Diagnostic Steps
- Clean windshield in camera area
- Check forward camera module codes
- Verify camera calibration
- Test on road with clear lane markings
- Check for EPS codes that disable LKA
Repair Notes
Clean camera area. Recalibrate camera. Verify EPS is functional for lane keeping assist.
Related Codes
Other Chassis Codes
- C0021LF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0024RR Wheel Speed Sensor Range/Performance
- C0025LF Wheel Speed Sensor Circuit Intermittent
- C0026RF Wheel Speed Sensor Circuit Intermittent
- C0027LR Wheel Speed Sensor Circuit Intermittent
- C0028RR Wheel Speed Sensor Circuit Intermittent
- C0035Left Front Wheel Speed Sensor Circuit
- C0036Left Front Wheel Speed Signal Erratic
C0430 on Other Vehicles
Tesla Cybertruck
2024-2024 Cyberbeast Tri Motor AWD
Tesla Cybertruck
2024-2024 Dual Motor AWD
Tesla Cybertruck
2024-2024 Single Motor RWD
Tesla Model 3
2017-2020 Long Range Dual Motor AWD
Tesla Model 3
2017-2020 Performance Dual Motor AWD
Tesla Model 3
2017-2020 Standard Range Plus Single Motor RWD
Tesla Model 3
2021-2024 Long Range Dual Motor AWD
Tesla Model 3
2021-2024 Performance Dual Motor AWD
Common Questions
What does code C0430 mean on a 2014-2016 Tesla Model S?
C0430 stands for "Lane Departure Warning System Fault". General malfunction in the lane departure warning or lane keeping assist system.
What are the symptoms of C0430 on a Tesla Model S?
Common symptoms of C0430 include: LDW/LKA warning light, Lane departure alerts not functioning, Lane keeping assist not available, Driver assist message on dash.
What causes C0430 on a 2014-2016 Tesla Model S?
Common causes of C0430 include: Forward camera malfunction, Camera calibration lost, Windshield dirty in camera area, Lane markings not detected, EPS fault preventing lane keep steering.