B3884

Center High Mounted Stop Lamp Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$11–56 (est.)

Symptoms

The central brake light does not work
Dashboard warning
Other brake lights work fine

Causes

Burnt out lamp
Open or short circuit in wiring harness
Contact corrosion
Body Module (BCM) Malfunction
Fuse or relay problems

How to Fix

Check the condition of the lamp and replace if necessary
Inspect the wiring harness for damage
Clean contacts from corrosion
Check fuses and relays
Scan the Body Module (BCM) for errors

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