C0341high severityChassis
Active Roll Control Actuator Circuit Front
on 2005 Lexus LS 430 4.3L V8 · RWD
What this code means
Malfunction in the front active roll control actuator.
Symptoms
- Front body roll increased
- Warning light on
- Front stabilizer bar ineffective
- Handling loose in corners
Common causes
- Front actuator motor or valve failure
- Wiring damage
- Actuator seized
- Control module fault
Diagnostic steps
- Test actuator winding resistance or hydraulic valve
- Command actuator with scan tool
- Inspect for mechanical binding
- Check wiring and connector
Repair notes
Replace front active roll control actuator.
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