This diagnostic trouble code (TCU 000191.11) is generated if there is a frequency discrepancy between the signal from the transmission output speed sensor (B63) and the amplified signal from the wheel speed sensor (B84). This discrepancy indicates a potential issue with the B63 sensor or its circuitry, causing mismatched speed readings.

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This diagnostic trouble code (TCU 000191.08) is generated if a frequency discrepancy is detected between the two sensor output signals for transmission output speed. This indicates that the speed in channel 1 is lower than in channel 2, suggesting a potential issue with the B63 sensor or its circuitry.

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This diagnostic trouble code (TCU 000191.04) is generated if the control unit detects that the voltage at the signal input from channel 1 of the transmission output speed sensor (B63, lead 6081) is too low. This typically indicates a short to ground within the sensor circuit.

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This diagnostic trouble code (TCU 000191.03) is generated if the control unit detects that the voltage at the signal input from channel 1 of the transmission output speed sensor (B63, lead 6081) is too high. This indicates that the sensor’s circuit is open or shorted to a positive lead. If diagnostic trouble code TCU 524110.03…

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This diagnostic trouble code (TCU 000191.02) is generated if there is a frequency discrepancy between the signal from the transmission output speed sensor (B63) and the CAN BUS signal from the wheel speed sensor (B84). This code may not have significant meaning on its own and could be stored accidentally. Diagnosis should be performed only…

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This diagnostic trouble code (TCU 000191.00) is generated when the TCU control unit detects that the transmission output speed (tractor travel speed) is excessive. This is particularly indicated when there is no weight pushing from behind to account for the high speed, suggesting that the speed is beyond safe operational limits.

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This diagnostic trouble code (TCU 000190.19) is generated if the ECU does not register any engine speed and, as a result, cannot provide the CAN BUS with the necessary data. A transmitted replacement value generates this diagnostic trouble code in the TCU. In its active state, this fault also generates a diagnostic trouble code at…

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This diagnostic trouble code (TCU 000177.04) is generated if the control unit detects that the voltage at the signal input of the transmission oil temperature sensor (lead 6062) is too low. This typically indicates a short to ground within the sensor circuit.

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This diagnostic trouble code (TCU 000177.03) is generated if the control unit detects that the voltage at the signal input of the transmission oil temperature sensor (lead 6062) is too high. This typically indicates that the sensor’s circuit is open or shorted to a positive lead.

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This diagnostic trouble code (TCU 000177.00) is generated when the transmission oil temperature exceeds 100°C (212°F). High transmission oil temperature can lead to reduced transmission performance and potential damage if not addressed promptly.

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This diagnostic trouble code (TCU 000168.02) is generated when the TCU control unit detects a plausibility problem at the internal transmission power supply inputs (VPS). This indicates an open circuit, a short to a positive lead, or a short to ground in leads 6052 and/or 9008.

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