Back to 2005 Dodge Ram 2500

2005 DODGE RAM 2500

5.9L I6 Cummins Diesel4WDAUTOMATICdieselturbo
9 active safety recalls on this vehicle — view recalls
Repairs0Labor499Torque3672Fluid9DTC683Battery0Maintenance0Recalls9
U0200low severityNetwork

Lost Communication with Headlamp Leveling Module

on 2005 Dodge Ram 2500 5.9L I6 Cummins Diesel · 4WD

What this code means

Cannot communicate with the automatic headlamp leveling control module.

Symptoms

  • Headlight level warning
  • Headlights aimed incorrectly
  • Auto-leveling not functioning
  • Headlight error message

Common causes

  • Headlamp leveling module failure
  • CAN bus wiring
  • Module power loss
  • Fuse blown
  • Leveling motor failure
  • Height sensor issue

Diagnostic steps

  1. Check leveling module fuse
  2. Test power and ground
  3. Check CAN wiring
  4. Test leveling motors
  5. Check ride height sensor input

Repair notes

Check fuses and headlamp leveling motors. System uses suspension height sensors for input.

Other Network codes on this vehicle

Building an app?
Free API access to all this data — 50 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 →