B3123

Keyless Entry Antenna 5

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$167–333 (est.)

Symptoms

Problems with keyless entry
The system does not recognize the key in certain areas of the cabin
Error indication on the dashboard

Causes

Broken or damaged antenna wiring harness
Malfunction of the antenna itself
Problems with the keyless entry module

How to Fix

Checking the antenna wiring harness for breaks and damage
Checking Antenna Resistance
Replacing antenna 5 if necessary
Checking and updating the keyless entry module software

Related codes

B3121 B3122 B3124