C0320
Ride Height Sensor Circuit Front Left
2016-2020 Buick Envision 2.5L I4
Moderate SeverityChassisGeneric (SAE)
Description
Malfunction in the front left ride height sensor used by the suspension control system.
Symptoms
- Suspension warning light
- Incorrect ride height at front left
- Vehicle may default to lowest setting
- Self-leveling headlights incorrect
Common Causes
- Faulty ride height sensor
- Sensor linkage disconnected or bent
- Wiring damage
- Sensor corroded from road spray
Diagnostic Steps
- Read ride height sensor value with scan tool
- Move sensor arm by hand and watch for signal change
- Inspect sensor linkage connection
- Check wiring and connector for damage
- Compare to other ride height sensors
Repair Notes
Replace ride height sensor. Reconnect or replace linkage arm.
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
C0320 on Other Vehicles
Common Questions
What does code C0320 mean on a 2016-2020 Buick Envision?
C0320 stands for "Ride Height Sensor Circuit Front Left". Malfunction in the front left ride height sensor used by the suspension control system.
What are the symptoms of C0320 on a Buick Envision?
Common symptoms of C0320 include: Suspension warning light, Incorrect ride height at front left, Vehicle may default to lowest setting, Self-leveling headlights incorrect.
What causes C0320 on a 2016-2020 Buick Envision?
Common causes of C0320 include: Faulty ride height sensor, Sensor linkage disconnected or bent, Wiring damage, Sensor corroded from road spray.