B3884
Center High Mounted Stop Lamp Circuit
B3884 is an OBD-II diagnostic trouble code meaning: Center High Mounted Stop Lamp Circuit. Common causes: burnt out lamp, open or short circuit in wiring harness. Estimated repair cost: $11–56.
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
Related codes
Error B3884 by Vehicle Brand
FAQ
What does the B3884 code mean?
B3884 is an OBD-II diagnostic trouble code that indicates: Center High Mounted Stop Lamp Circuit
What causes a B3884 error code?
The most common causes of B3884 include: Burnt out lamp; Open or short circuit in wiring harness; Contact corrosion; Body Module (BCM) Malfunction.
How do I fix a B3884 diagnostic trouble code?
To fix B3884: Check the condition of the lamp and replace if necessary. Inspect the wiring harness for damage. Clean contacts from corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3884?
Limited driving only, diagnose soon
How much does it cost to fix B3884?
The estimated repair cost for B3884 is $11–56. Actual cost depends on your vehicle, location, and labor rates.
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