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Bus messages, SRM

Bus messages, SRM

For a detailed description of the car's bus system, please refer to Detailed description .

SRM uses the following information

Bus messages Type of information Transmitter Description
Compartment temperature Degrees C ACC Control the pinch protection, increase or reduce the current
Calendar day Day BCM For diagnostics, with fault code setting
Calendar month Month BCM For diagnostics, with fault code setting
Calendar year Year BCM For diagnostics, with fault code setting
Body type Sedan Convertible BCM Car type the sunroof is fitted in
Comfort function, request Comfort closing Comfort opening Stop BCM Opening or closing with remote control
Minutes Minutes BCM For diagnostics, with fault code setting
Outer temperature Degrees C BCM Control the pinch protection, increase or reduce the current
Battery voltage Volt CIM The value when the function exists
Immobilizing, transponder OK On/Off CIM Approved key
Key position, ignition switch Off On Start CIM Position where the function is permitted
Disengagement of pinch protection, request On/Off DDM Forced closing with, for example, snow and ice
Car speed km/h ECM Control the pinch protection, increase or reduce the current
Sunroof, disconnection of movement, request On/Off RLDM Pinch protection on window lifts or not, comfort opening or comfort closing. Only on window lift with pinch protection.


SRM sends the following information

Information Value/Unit User Description
Diagnostic message No module Tech 2 Diagnostic information
Sun roof, comfort closing not working On/Off BCM Comfort closing discontinued
Sunroof, status Open/closed BCM, ACC, CU Information whether the sunroof is closed, tilted or open
Lower electrical load, request Level 0-4 CIM Information about the sunroof's power consumption during movement