B3896

Deck Lid Ajar Siwtch Signal Circuit Open Or High

Severity

✅ Low

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$11–56 (est.)

Symptoms

False alarms
Incorrect operation of interior lighting
Message about the open trunk lid on the dashboard (with the lid closed)

Causes

Broken or damaged wires in the harness
Malfunction of the trunk lid opening sensor
Oxidation or poor contact in connectors
Circuit Grounding Problems

How to Fix

Check the integrity of the sensor wiring and connectors
Test the sensor with a multimeter (check resistance and contact function)
Clean contacts from oxides and corrosion
If necessary, replace the sensor or damaged wires

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