This diagnostic trouble code (DTC), SSU 522273.00, is triggered when the steering control valve (Y49) receives a control signal from the SSU control unit that is out of the valid range high (over 85% of the system voltage). This indicates an overvoltage condition in the control signal.

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This diagnostic trouble code (DTC), SSU 001865.09, is triggered when the Steering System Control Unit (SSU) detects that the Vehicle Load Center (VLC) ELX output 2 message is not available on the CAN Bus. This indicates a communication issue with the VLC.

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This diagnostic trouble code (DTC), SSU 001807.14, is triggered when the values received by the SSU control unit from the steering wheel position sensor SID 1 are faulty. This indicates a problem with the signals from the sensor.

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This diagnostic trouble code (DTC), SSU 001807.10, is triggered when the values read by the steering wheel position sensors SID 1 and SID 2 differ by more than 20. This indicates a discrepancy between the sensors, suggesting a problem with SID 1.

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This diagnostic trouble code (DTC), SSU 001807.06, is generated when more than 20 mA flow to the steering wheel position sensor SID 1 for longer than 320 milliseconds. This indicates an overcurrent condition in the sensor’s circuit.

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This diagnostic trouble code (DTC), SSU 001807.05, is generated when less than 4 mA flow to the steering wheel position sensor SID 1 for longer than 320 milliseconds. This indicates an open circuit or insufficient current supply to the sensor.

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This diagnostic trouble code (DTC), SSU 001807.04, is triggered when the power supply for the steering wheel position sensor SID 1 drops below 4.75 volts for longer than 320 milliseconds. This indicates a low voltage condition, potentially due to an open circuit.

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This diagnostic trouble code (DTC), SSU 001807.03, is triggered when the power supply for the steering wheel position sensor SID 1 exceeds 5.25 volts for longer than 320 milliseconds. This indicates an overvoltage condition in the steering wheel position sensor’s power supply.

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This diagnostic trouble code (DTC), SSU 001807.02, is triggered when false signals are sent to the SSU control unit during the calibration of steering input devices SID 1 or SID 2. This indicates a calibration error in the steering wheel position sensor.

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This diagnostic trouble code (DTC), SSU 001504.31, is triggered when the AutoSteer function is activated, and no operator is detected on the seat for longer than 2 seconds. If no operator is recognized on the seat for longer than 7 seconds, the AutoSteer function is switched off. This indicates a safety concern as AutoSteer requires…

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This diagnostic trouble code (DTC), SSU 001504.14, is triggered when the AutoSteer function is activated, and no operator is detected on the seat for longer than 7 seconds. This indicates a safety concern as AutoSteer requires the operator to be present.

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