OBD Guide

B2102

Antenna Circuit Short to Ground

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Remote control functions do not work (if the antenna is connected to the keys)
  • SRS malfunction indicator is on
  • Problems with the passive safety system

Causes

  • Damage to the antenna circuit wiring harness
  • Short circuit in the antenna
  • SRS control unit malfunction
  • Corrosion or oxidation of contacts

How to Fix

  1. Check the antenna circuit wiring harness for damage.
  2. Check antenna for short circuit
  3. Check contacts for corrosion and oxidation
  4. If necessary, replace the antenna or wiring harness
  5. Reset the error and check if it returns

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