OBD-II CODE
Medium
B0099
B0099: Power Window Relay Circuit Malfunction
Est. Repair Cost
$50 - $200
Difficulty
3/5
Repair Time
1-2 hours
🩺 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.
Doctor's Orders
🛠️ How to Fix B0099
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.
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