B2103

Antenna Not Connected

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Keyless entry does not work
Problems starting the engine
The passive safety system fault indicator is on

Causes

Broken antenna wires
Poor contact in antenna connector
Antenna damage
SRS control unit malfunction

How to Fix

Check the integrity of the antenna wiring harness
Inspect the antenna connector for oxidation or damage.
Check the performance of the antenna
If necessary, replace the antenna or wiring harness
Reset the error using an OBD-II scanner

Related codes

B2100 B2101 B2102