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2008 JEEP GRAND CHEROKEE
3.7L V6•RWD•AUTOMATIC•gas
5 active safety recalls on this vehicle — view recalls
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Repairs0Labor481Torque660Fluid8DTC1871Battery1Maintenance0Recalls5
B2106moderate severityBody

Antenna Short To Ground

on 2008 Jeep Grand Cherokee 3.7L V6 · RWD

What this code means

The antenna circuit is shorted to ground, disrupting key transponder communication. No direct OBD P-code equivalent exists for this body code.

Symptoms

  • Engine will not start
  • Security light on
  • Key read failure

Common causes

  • Wiring shorted to ground
  • Pinched antenna harness
  • Faulty antenna coil
  • Corroded ground contact

Diagnostic steps

  1. Inspect harness for ground shorts
  2. Check continuity to ground
  3. Test antenna resistance
  4. Repair and clear codes
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Other Body codes on this vehicle

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