Headlight Leveling Motor Circuit
2019-2019 Buick Enclave 3.6L V6
The 2019 Buick Enclave is equipped with a 3.6L V6 engine. Below you'll find detailed c0351 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Malfunction in a headlight leveling actuator motor.
Symptoms
- One headlight aimed incorrectly
- Headlight leveling warning
- Beam pattern asymmetric
Common Causes
- Leveling motor failure
- Motor connector corroded
- Wiring harness damage
- Motor gear stripped internally
Diagnostic Steps
- Test motor by applying direct voltage
- Check connector for corrosion
- Inspect wiring harness
- Command motor with scan tool
- Listen for motor operation
Repair Notes
Replace headlight leveling motor. Re-aim headlights after replacement.
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
C0351 on Other Vehicles
Common Questions
What does code C0351 mean on a 2019-2019 Buick Enclave?
C0351 stands for "Headlight Leveling Motor Circuit". Malfunction in a headlight leveling actuator motor.
What are the symptoms of C0351 on a Buick Enclave?
Common symptoms of C0351 include: One headlight aimed incorrectly, Headlight leveling warning, Beam pattern asymmetric.
What causes C0351 on a 2019-2019 Buick Enclave?
Common causes of C0351 include: Leveling motor failure, Motor connector corroded, Wiring harness damage, Motor gear stripped internally.
Last updated: March 2026