Automatic Leveling Headlight System Fault
2003-2009 Toyota 4Runner 4.7L V8
Description
General malfunction in the automatic headlight leveling system that adjusts beam height based on vehicle load.
Symptoms
- Headlight aim incorrect
- Headlight leveling warning on dash
- Oncoming drivers being blinded
- Low beam too low when loaded
Common Causes
- Leveling motor failure
- Ride height sensor fault affecting headlights
- Control module malfunction
- Wiring damage
Diagnostic Steps
- Check headlight leveling motors by commanding with scan tool
- Read ride height sensor data
- Inspect leveling motor connectors
- Verify headlight aim with wall test
- Check for related ride height codes
Repair Notes
Replace headlight leveling motor. Perform headlight aim adjustment after repair.
Related Codes
Other Chassis Codes
- C0021LF Wheel Speed Sensor Range/Performance
- C0021LF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0024RR Wheel Speed Sensor Range/Performance
- C0024RR Wheel Speed Sensor Range/Performance
- C0025LF Wheel Speed Sensor Circuit Intermittent
- C0025LF Wheel Speed Sensor Circuit Intermittent
C0350 on Other Vehicles
Toyota 4Runner
2003-2009 4.0L V6
Toyota 4Runner
2010-2024 4.0L V6
Toyota 86
2017-2020 2.0L H4
Toyota Alphard
2023-2025 2.4L I4 Turbo T24A-FTS
Toyota Alphard
2023-2025 2.5L I4 Hybrid A25A-FXS
Toyota Altezza
1998-2005 2.0L I4 3S-GE BEAMS
Toyota Altezza
1998-2005 2.0L I6 1G-FE
Toyota Aqua
2011-2021 1.5L I4 Hybrid 1NZ-FXE
Common Questions
What does code C0350 mean on a 2003-2009 Toyota 4Runner?
C0350 stands for "Automatic Leveling Headlight System Fault". General malfunction in the automatic headlight leveling system that adjusts beam height based on vehicle load.
What are the symptoms of C0350 on a Toyota 4Runner?
Common symptoms of C0350 include: Headlight aim incorrect, Headlight leveling warning on dash, Oncoming drivers being blinded, Low beam too low when loaded.
What causes C0350 on a 2003-2009 Toyota 4Runner?
Common causes of C0350 include: Leveling motor failure, Ride height sensor fault affecting headlights, Control module malfunction, Wiring damage.