B3119

Keyless Entry Antenna 1

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Problems with remote start/door unlocking
Intermittent operation of the keyless to Jacobs accessory
The malfunction indicator on the instrument panel lights up

Causes

Broken antenna wires
Mechanical damage to the antenna
Control module malfunction
Short circuit in the antenna circuit
Wiring Harness Problems

How to Fix

Check the integrity of the antenna wiring harness
Diagnose antenna operation using an OBD-II scanner
Replace the faulty antenna
Check and, if necessary, replace the control module
Clear error codes and check system operation

Related codes

B3120 B3121 U0155