📖 What Does B0074 Mean?
The B0074 code indicates a malfunction in the door locks actuator circuit, which controls the operation of the door locks and windows.
Symptoms
Door locks may not function, or may function intermittently, and/or windows may not roll up or down.
Common Causes
Faulty door locks actuator, wiring issues, or a faulty body control module.
Possible Solutions
1. Check the door locks actuator for any signs of physical damage or corrosion. Replace if necessary. 2. Inspect the wiring harness for any signs of damage or corrosion. Repair or replace as needed. 3. Check the body control module for any signs of malfunction. Clear any trouble codes and test the system.
Recommended Parts & Tools
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📦 Parts Needed
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Frequently Asked Questions about B0074
How serious is B0074?
This code has a medium severity level. This should be diagnosed and repaired soon to prevent further issues.
Can I drive with B0074?
You can typically drive short distances, but have it diagnosed as soon as possible.
How much does it cost to fix B0074?
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 B0074
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