B3120

Keyless Entry Antenna 2

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

The keyless entry system does not respond to the key fob
Intermittent operation of the access system
The malfunction indicator on the dashboard lights up

Causes

Antenna damage
Open or short circuit in wiring harness
Access control unit malfunction
Contact corrosion

How to Fix

Check antenna integrity
Check wiring harness for damage
Check connections and contacts
Replace the antenna if necessary
Test the system after repair

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