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.
Access/Start Authorization Control Module -J518-, Coding
Special tools and workshop equipment required
- Vehicle Diagnostic Tester
The access/start authorization system must be coded after the access/start authorization control module -J518- has been replaced.
Procedure
-- Connect the Vehicle diagnostic tester.
-- Select Guided Fault Finding .
-- Use the GO TO button to select the "function/component selection" and the following menu options one after the other:
- Body
- Body repair procedures
- Access/start authorization
- Functions: Access/start authorization
- Access/Start Authorization Control Module, Coding
NO RELATED
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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.