C0340high severityChassis
Active Roll Control System Malfunction
on 2010 Cadillac Escalade 6.2L V8 · 4WD
What this code means
General fault in the active roll stabilization system that reduces body roll during cornering.
Symptoms
- Active roll control warning light
- Increased body roll in corners
- Stabilizer bar clunking noise
- Handling reduced
Common causes
- Active stabilizer bar motor failure
- Hydraulic valve fault
- Control module malfunction
- Stabilizer bar link failure
Diagnostic steps
- Scan for specific sub-codes
- Test active stabilizer motor or hydraulic valve
- Inspect stabilizer bar links
- Check module power supply
- Monitor system pressure if hydraulic
Repair notes
Diagnose specific active roll control component. System may be hydraulic or electromechanical.
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