📖 What Does B0066 Mean?
The B0066 code indicates a malfunction in the door locks actuator circuit, which may cause issues with door locking and unlocking functions.
Symptoms
Door locks may not function properly, or may lock/unlock randomly, or may not respond to key fob commands.
Common Causes
Faulty door locks actuator, wiring issues, faulty body control module, or a malfunctioning door lock switch.
Possible Solutions
1. Check and repair or replace faulty wiring. 2. Test and replace the door locks actuator if necessary. 3. Update the body control module software if necessary. 4. Check and repair or replace the door lock switch if necessary.
Recommended Parts & Tools
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📦 Parts Needed
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Frequently Asked Questions about B0066
How serious is B0066?
This code has a medium severity level. This should be diagnosed and repaired soon to prevent further issues.
Can I drive with B0066?
You can typically drive short distances, but have it diagnosed as soon as possible.
How much does it cost to fix B0066?
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 B0066
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