📖 What Does B0099 Mean?
The B0099 code indicates a malfunction in the power window relay circuit, which controls the operation of the windows. This can cause windows to malfunction or fail to operate properly.
Symptoms
Windows may not roll up or down, or may do so intermittently, with no warning lights on the dashboard.
Common Causes
Faulty power window relay, wiring issues, blown fuse, or a malfunctioning window switch.
Possible Solutions
1. Check the fuse box for a blown fuse and replace it if necessary. 2. Inspect the wiring and connectors for damage or corrosion and repair as needed. 3. Test the power window relay circuit using a multimeter to identify any issues. 4. Replace the power window relay if faulty. 5. Check the window switch for proper operation and replace if necessary.
Recommended Parts & Tools
Find the right parts for your B0099 repair on Amazon
📦 Parts Needed
💡 Pro Tip: Always verify part compatibility with your specific vehicle year, make, and model before purchasing.
As an Amazon Associate, CarMedic earns from qualifying purchases. This helps us maintain our free diagnostic database.
Frequently Asked Questions about B0099
How serious is B0099?
This code has a medium severity level. This should be diagnosed and repaired soon to prevent further issues.
Can I drive with B0099?
You can typically drive short distances, but have it diagnosed as soon as possible.
How much does it cost to fix B0099?
Repair costs vary depending on the root cause, but typically range from $100-300 including parts and labor.
Related Diagnostic Codes
Other codes that may appear with B0099
Airbag System Malfunction (B0000)
Body System Code B0001: Climate Control Malfunction
Body System Code B0002: Door Locks Malfunction
Body System Code B0003: Windows
Seat Position Sensor Malfunction
Body System Code B0005: Lighting Malfunction
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system