📖 What Does B0042 Mean?
The body control module has detected a malfunction in the door lock actuator, preventing proper door lock operation. This code is often accompanied by symptoms such as doors not locking or unlocking properly, or a warning light on the dashboard.
Symptoms
Doors not locking or unlocking, warning light on dashboard, door lock button not responding
Common Causes
Faulty door lock actuator, wiring issue, body control module malfunction
Possible Solutions
1. Check door lock actuator for proper operation and replace if faulty. 2. Inspect wiring for damage or corrosion and repair as necessary. 3. Update body control module software if necessary. 4. Test door lock system to ensure proper operation.
Recommended Parts & Tools
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📦 Parts Needed
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Frequently Asked Questions about B0042
How serious is B0042?
This code has a medium severity level. This should be diagnosed and repaired soon to prevent further issues.
Can I drive with B0042?
You can typically drive short distances, but have it diagnosed as soon as possible.
How much does it cost to fix B0042?
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 B0042
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