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.
2003 Saab 9-3 Vector, AutomaticFACTORY OEM SERVICE PROCEDURE
Main task: Notes
The main tasks of the DDM are:
- Read the status of the window lift buttons.
- Control and supply power for the driver's door window lift (with optional pinch protection function)
- Send the status for other window lift buttons on the bus.
- Read the bootlid button status and send the value on the bus.
- Read the status of the door mirror buttons.
- Control and supply power for the driver door mirror motors (optional memory function and electrically-operated retraction) and control the corresponding function for the front passenger door via the bus.
- Supply power to driver's door mirror heating.
- Read the central lock button status and send the value on the bus.
- Supply power to central locking system in driver's door with or without TSL, read the central locking system and TSL status and send the value on the bus.
- The control module also reads the door switch status with an individual lead but does not use the value. The connection is intended for future development.
- Supply power to door button lighting.
- Supply power to the courtesy lighting lamp mounted in the lower edge of the door.
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • 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.