C0545high severityChassis
Torque Vectoring Clutch Actuator Circuit
on 2018 Acura RLX 3.5L V6 · AWD
What this code means
Malfunction in the clutch actuator that enables torque vectoring between left and right wheels.
Symptoms
- Torque vectoring disabled
- Handling asymmetry in corners
- Warning light on
- Sport mode limited
Common causes
- Clutch actuator solenoid failure
- Actuator overheated
- Wiring damage
- Low clutch fluid or wear
Diagnostic steps
- Test actuator solenoid resistance
- Command actuator with scan tool
- Check for overheating
- Inspect wiring
- Check clutch pack fluid condition
Repair notes
Replace torque vectoring actuator or clutch pack. Use manufacturer-specified fluid.
Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0026
RF Wheel Speed Sensor Circuit Intermittent
C0027
LR Wheel Speed Sensor Circuit Intermittent
C0028
RR Wheel Speed Sensor Circuit Intermittent
C0035
Left Front Wheel Speed Sensor Circuit
C0036
Left Front Wheel Speed Signal Erratic