C0331high severityChassis
Adaptive Damper Circuit Front Right
on 2021 Toyota 4Runner 4.0L V6 · 4WD
What this code means
Malfunction in the front right adaptive damper.
Symptoms
- Ride quality uneven
- Suspension warning
- Front right corner feels different
- Handling asymmetry
Common causes
- Damper solenoid failure
- Fluid leak
- Wiring damage
- Module output fault
Diagnostic steps
- Test solenoid resistance
- Command damper mode change
- Inspect for leaks
- Check wiring
Repair notes
Replace front right adaptive damper assembly.
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