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.
2007 Saturn ION L4-2.0L SCFACTORY OEM SERVICE PROCEDURE
Body Control Module Programming and Setup
Body Control Module Programming and Setup
Each of the following courses of action requires a setup or programming procedure before the body control module (BCM) can be put into normal service.
Body Control Module (BCM) Replacement
If the BCM is replaced, the following procedures must be performed in the subsequent order:
* BCM Reprogramming-Refer to Programming and Relearning Programming and Relearning
* Theft Learn-Refer to Programming Immobilizer System Components. Programming and Relearning
Sensing and Diagnostic Module (SDM) Replacement
If the sensing and diagnostic module (SDM) is replaced, the following procedures must be performed:
* BCM Reprogramming-Refer to Programming and Relearning Programming and Relearning
* Theft Learn-Refer to Programming Immobilizer System Components. Programming and Relearning
Ignition Switch Replacement
If the ignition switch is replaced the following procedures must be performed:
* BCM Reprogramming-Refer to Programming and Relearning Programming and Relearning
* Theft Learn-Refer to Programming Immobilizer System Components. Programming and Relearning
Body Control Module (BCM) Reprogramming
If the BCM is reprogrammed, the following procedures must be performed:
* BCM Reprogramming-Refer to Programming and Relearning Programming and Relearning
* Theft Learn-Refer to Programming Immobilizer System Components. Programming and Relearning
Theft Deterrent Programming
If the BCM or the powertrain control module (PCM) is replaced the programming for the replaced module must be performed before the programming of the theft deterrent system. Refer to the following:
* BCM Reprogramming-Refer to Programming and Relearning Programming and Relearning.
* PCM Reprogramming-Refer to Programming and Relearning Programming and Relearning
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.