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.
Procedure after changing the control module: Add
Once the control module has been fitted and in certain cases SPS programming has been carried out, Tech 2 must be used to marry the control unit to the car. Go to the "All" menu and select the control module under "ADD/REMOVE". Then select "Add" and follow the instructions. The ignition key must be in ON position. TIS 2000 may be required.
The action involves the following:
Properties files are downloaded, security codes are written, bus lists are updated, data in another control modules are updated and fault codes cleared in all control modules.
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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.
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