B3103

Keyless Entry Data Link Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Problems with key recognition
Inability to start the engine
Error indication on the dashboard

Causes

Short circuit to positive in the data transmission circuit
Wiring harness damage
Keyless entry module malfunction
Contact corrosion

How to Fix

Check the integrity of the wiring harness
Check the voltage in the data circuit
Check contacts for corrosion
Replace the keyless entry module if necessary

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