Lateral Acceleration Sensor Circuit
2003-2009 Toyota 4Runner 4.7L V8
Description
Malfunction in the lateral acceleration sensor, which measures side-to-side G-forces on the vehicle.
Symptoms
- Stability control light on
- ESC disabled
- Rollover protection may be disabled
- Traction control affected
Common Causes
- Faulty lateral acceleration sensor
- Sensor connector corroded
- Wiring damage
- Sensor mounting issue
Diagnostic Steps
- Read lateral G sensor with scan tool (should be near zero on level ground)
- Inspect sensor connector and wiring
- Check sensor mounting bracket
- Perform sensor calibration
- Compare to yaw rate sensor data for plausibility
Repair Notes
Calibrate lateral acceleration sensor. Replace if output is erratic.
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
C0073 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 C0073 mean on a 2003-2009 Toyota 4Runner?
C0073 stands for "Lateral Acceleration Sensor Circuit". Malfunction in the lateral acceleration sensor, which measures side-to-side G-forces on the vehicle.
What are the symptoms of C0073 on a Toyota 4Runner?
Common symptoms of C0073 include: Stability control light on, ESC disabled, Rollover protection may be disabled, Traction control affected.
What causes C0073 on a 2003-2009 Toyota 4Runner?
Common causes of C0073 include: Faulty lateral acceleration sensor, Sensor connector corroded, Wiring damage, Sensor mounting issue.