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U0160low severityNetwork

Lost Communication with Sunroof Control Module

on 2007 Ram 3500 5.9L I6 Cummins · 4WD

What this code means

Cannot communicate with the power sunroof or panoramic roof control module.

Symptoms

  • Sunroof not opening/closing
  • Sunroof switch not responding
  • Sunroof position unknown
  • Auto-close not working

Common causes

  • Sunroof module failure
  • Wiring issue
  • Module power loss
  • Fuse blown
  • Sunroof motor failure

Diagnostic steps

  1. Check sunroof module fuse
  2. Test power and ground
  3. Check wiring in headliner
  4. Test sunroof motor directly
  5. Check sunroof limit switches

Repair notes

Check fuses. Sunroof module may need initialization after battery disconnect.

Other Network codes on this vehicle

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