B2103moderate severityBody

Antenna Not Connected

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

What this code means

The immobilizer/RF antenna circuit is open or disconnected, so the module cannot detect the antenna. No direct OBD P-code equivalent exists for this body code.

Symptoms

  • No-start or hard start
  • Security light on
  • Key not recognized

Common causes

  • Disconnected antenna connector
  • Broken antenna wiring
  • Faulty antenna coil
  • Corroded connector pins

Diagnostic steps

  1. Check antenna connector seating
  2. Inspect wiring for opens
  3. Measure antenna coil resistance
  4. Reconnect and clear codes

Other Body codes on this vehicle

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