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2014 RAM 2500
6.7L I6 Cummins Diesel•4WD•AUTOMATIC•diesel•turbo
16 active safety recalls on this vehicle — view recalls🏆Sponsored by Anonymous Sponsor
Repairs436Labor519Torque3583Fluid10DTC1790Battery1Maintenance0Recalls16
C0400moderate severityChassis

Adaptive Cruise Control Sensor Alignment

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

What this code means

The adaptive cruise control distance sensor is out of calibrated alignment.

Symptoms

  • ACC unavailable message
  • ACC warning light
  • Cruise control not functioning
  • Forward collision warning inactive

Common causes

  • Sensor misaligned after collision
  • Sensor bracket bent
  • Windshield replacement shifted sensor
  • Front fascia repair changed sensor aim

Diagnostic steps

  1. Perform ACC sensor alignment procedure
  2. Check sensor mounting bracket
  3. Inspect front fascia for damage or misalignment
  4. Verify sensor aim with manufacturer target and procedure
  5. Check for windshield-related codes if camera-based

Repair notes

Perform ACC sensor alignment using manufacturer-specified targets and procedure.

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