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.
Comfort System Central Control Module -J393-, Adapting
Special tools and workshop equipment required
- Vehicle Diagnostic Tester
The following functions can be adapted:
- Activating and deactivating "single door opening". See item: 1
- Activating or deactivating "automatic locking of all doors and rear lid at >15 km/h (9 mph)". See item: 1
- Activating and deactivating "automatic unlocking when removing the ignition key". See item: 1
- "Unlock return message via access/start authorization"
- "Unlock return message via radio remote control"
- "Unlock return message via key switch"
- "Return message lock via access/start authorization"
- "Return message for locking via radio remote control"
- "Return message for locking via key switch"
- "Return message for ATWS activated"
- "Country selection for the intelligent alarm horn"
- "Sensitivity of inclination sensor"
- "Sensitivity of interior monitoring"
- Activating and deactivating "battery monitoring (sounder)"
- Activating and deactivating "comfort operation via radio-frequency remote control"
- Activating and deactivating "anti-theft warning system - alarm delay when opening driver door"
- Activating and deactivating "automatic rear lid locking at >7 Km/h (4 mph)"
- On vehicles with "Highline" equipment, the function cannot be adapted using a vehicle diagnosis, testing and information system, rather only directly via steering column switch in instrument cluster via the "Basic setting, main menu, settings and comfort" functions.
-- Connect the Vehicle Diagnostic Tester. Refer to VEHICLE DIAGNOSIS, TESTING AND INFORMATION SYSTEMS .
-- In Vehicle Diagnostic Tester, select operating mode "Guided Fault Finding".
-- Using the "Go To" button, select "Functions/Component selection" and the following menu options in sequence:
- Body
- Body repair procedures
- 01 - On Board Diagnostic (OBD) capable systems
- Comfort system
- Functions of central control module for comfort system
- Adapting Comfort System Central Control Module -J393-
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.