C0330high severityChassis

Adaptive Damper Circuit Front Left

on 2014 Ram 2500 6.7L I6 Cummins Diesel · 4WD

What this code means

Malfunction in the front left electronically controlled adaptive damper.

Symptoms

  • Ride quality degraded
  • Suspension warning light
  • Handling reduced at front left corner
  • Clunking noise from front left

Common causes

  • Faulty adaptive damper solenoid
  • Damper fluid leak
  • Wiring to damper damaged
  • Control module driver failure

Diagnostic steps

  1. Test damper solenoid resistance
  2. Command damper stiffness change with scan tool
  3. Inspect damper for fluid leaks
  4. Check wiring from module to damper
  5. Listen for damper response when commanded

Repair notes

Replace adaptive damper assembly. These dampers contain internal solenoid valves.

Other Chassis codes on this vehicle

🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI
🔓 LIBERATED FOREVER
The 2014 Ram 2500 6.7L I6 Cummins Diesel repair data is free for every DIYer and shop on earth, permanently, because Lost Pines Precision Automotive, Bastrop, TX paid $99 to unlock it.
Mitchell1 charges $169/mo for this. ALLDATAdiy charges $30/yr per vehicle. Open Labor Project is free permanently, because of community sponsors like Lost.
Free another vehicle →
Building an app?
Free API access to all this data — 10 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →