Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2004 Mazda 6 L4-2.3LFACTORY OEM SERVICE PROCEDURE
Door Lock Control Module
DOOR LOCK CONTROL MODULE REMOVAL/INSTALLATION
1. Disconnect the negative battery cable.
2. Remove the glove compartment.

3. Remove the bolt.
4. While inclining the door lock control module along the body panel in the direction indicated by the arrow, disengage the bracket tab from the hole in the body panel.
5. Disconnect the door lock control module connector.
6. Remove the door lock control module.

7. Remove the screw, then remove the bracket.
NOTE: The screw which fixes the door lock control module and bracket is for a body ground connection. Be sure to secure the screw when installing.
8. Install in the reverse order of removal.
1. Disconnect the negative battery cable.
2. Remove the glove compartment.
3. Remove the bolt.
4. While inclining the door lock control module along the body panel in the direction indicated by the arrow, disengage the bracket tab from the hole in the body panel.
5. Disconnect the door lock control module connector.
6. Remove the door lock control module.
7. Remove the screw, then remove the bracket.
NOTE: The screw which fixes the door lock control module and bracket is for a body ground connection. Be sure to secure the screw when installing.
8. Install in the reverse order of removal.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.
