This information for the operator (DTC) UIC 523956.31 is triggered if the engine has shut down while the ignition is still switched on and the reverse drive lever is still in the position for a direction of travel. To restart, the reverse drive lever must first be moved to the position for neutral or corner…

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This diagnostic trouble code (DTC) UIC 523954.11 is triggered if the control unit detects an incorrect combination of signals at the output channels (channel 1, lead 6079 and channel 2, lead 6048) of the speed wheel on the sensor unit for the speed control lever (S108).

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This diagnostic trouble code (DTC) UIC 523953.04 is generated when the control unit measures a voltage of less than 0.5 volts at the signal input from channel 1 of the potentiometer (B67, lead 6037). This indicates a problem at the signal lead or a problem with the potentiometer supply voltage.

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This diagnostic trouble code (DTC) UIC 523953.03 is generated when the control unit measures a voltage of more than 4.5 volts at the signal input from channel 1 of the potentiometer (B67, lead 6037). This indicates a problem either at the signal lead or at the potentiometer ground connection.

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This diagnostic trouble code (DTC) UIC 523953.02 is triggered when the control unit detects a mismatch between the output signals of the potentiometer on the speed control lever (B67). The voltage at channel 1 (lead 6037) must be double the voltage of channel 2 (lead 6038).

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This diagnostic trouble code (DTC) UIC 523652.02 is generated when the control unit detects an erroneous signal in the circuit of the control unit identification during initializing (control unit boot sequence after the ignition is switched ON). This indicates the control unit may be connected to the wrong wiring harness connector.

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This diagnostic trouble code (DTC) UIC 523438.02 is triggered if a fault occurs when the internal module (EEPROM) intervenes. This indicates an issue with the control unit’s memory management.

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This diagnostic trouble code (DTC) UIC 522431.11 is generated if an electronic malfunction is registered in the control unit.

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This diagnostic trouble code (DTC) UIC 002033.09 is generated when a data transfer problem occurs between the BCU and UIC. Reception of the CAN message from the BCU control unit regarding the status of the front-wheel drive is intermittent or nonexistent. Intermittent reception could be due to a loose wire. The missing CAN message is…

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This diagnostic trouble code (DTC) UIC 002003.09 is generated when a data transfer problem occurs between the TCU and UIC. Reception of CAN messages regarding transmission ratios (status, desired and calculated) and/or general transmission information (rotational speeds, direction of travel, etc.) from the TCU control unit is intermittent or nonexistent. Intermittent reception could be due…

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This diagnostic trouble code (DTC) UIC 002000.09 is generated when a data transfer problem occurs between the ECU and UIC. Reception of CAN messages regarding engine load, engine temperatures, and/or engine speed from the ECU control unit is intermittent or nonexistent. Intermittent reception could be due to a loose wire.

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