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.
Central gateway control unit, task - GF00.19-P-4100-01PP
Diagnosis gateway
The central gateway control unit (N93) routes the data of the control units connected to the Controller Area Network bus class B (interior) (CAN-B) and Controller Area Network bus class C (engine compartment) (CAN-C) to the test instrument connected to the diagnosis CAN (STAR DIAGNOSIS).
Data logger
- On vehicles with code (494) USA version
The central gateway control unit (N93) collects the data required for the emergency call system from the control units connected to CAN-B and CAN-C.
- On vehicles with code (551) Anti-theft alarm system (ATA):
Triggered anti-theft alarm system alarms (maximum 15) can be read out of the alarm memory of the central gateway control unit (N93). In addition to this, information such as the position of windows in the event of alarm being triggered is also stored.
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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.