This diagnostic trouble code is generated when the PTA control software registers a voltage value at the proportional solenoid valve 2 that does not correspond with the commanded working position of the hydrostatic unit. This indicates a short to ground in the circuit of the proportional solenoid valve 2.

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This diagnostic trouble code is generated when the PTA control software registers a voltage value at the proportional solenoid valve 2 that does not correspond with the commanded working position of the hydrostatic unit. This indicates a general problem with the supply voltage (BAT) or that the circuit of proportional solenoid valve 2 is shorted…

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This diagnostic trouble code is generated when the PTA control software detects a difference in frequency between the two sensor output signals for hydrostatic speed, indicating that the speed at channel 2 is lower than at channel 1.

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This diagnostic trouble code is generated when the PTA control software detects that the voltage at channel 2 of the hydrostatic speed sensor is too low, indicating a short to ground in the sensor circuit.

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This diagnostic trouble code is generated when the PTA control software detects that the voltage at channel 2 of the hydrostatic speed sensor is too high, indicating a supply voltage problem or that the sensor circuit is open or shorted to a positive lead.

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This diagnostic trouble code is generated when the PTA control software detects that the registered ratio between the transmission input speed and hydrostatic speed does not match the actual transmission output speed. This indicates a mechanical or hydraulic problem with the transmission.

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This diagnostic trouble code is generated when the control software detects an erroneous signal in the circuit of the control unit identification during power-up after ignition ON, indicating that the transmission control unit (AutoPowr/IVT) is connected to the wrong wiring harness connector.

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This diagnostic trouble code is generated when there is an error reading the internal module (EEPROM) of the PTA control software, indicating an internal fault.

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This diagnostic trouble code is generated when an electronic malfunction is registered in the PTA control software, indicating an internal fault.

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This diagnostic trouble code is generated when the PTA control software registers a current value at the solenoid valve for clutch 1 that does not correspond with the switch status of clutch 1, indicating that the circuit of the solenoid valve for clutch 1 is open. The fault can be detected during power-up after ignition…

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This diagnostic trouble code is generated when the PTA control software registers a voltage value at the solenoid valve for clutch 1 that does not correspond with the switch status of clutch 1. This indicates a short to ground or a defective solenoid valve for clutch 1. The fault can be detected during power-up after…

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