This diagnostic trouble code is generated when the control software detects that the engine speed is too high for safe downshifting. This could be due to operator error, where the engine speed is maintained too high while attempting to downshift.

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This diagnostic trouble code is generated when the voltage supply of 12-volt components in the transmission enable circuit is too low, indicating a short to ground or an internal fault of the control unit.

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This diagnostic trouble code is generated when the transmission enable circuit voltage is too high, indicating a circuit open or shorted to 12 volts.

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This diagnostic trouble code is generated when the operator attempts to shift above 13th gear while the clutch pedal is only partially actuated. Full actuation of the clutch pedal is required for proper gear shifting at higher gears.

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This operator information (diagnostic trouble code) is generated when the come-home mode is activated (plug for come-home function in COME-HOME position). The operator is informed to move the reverse drive lever to its neutral or park position to access the next stage of the come-home function.

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This diagnostic trouble code is generated under two specific conditions: If the park lock does not engage despite the TIQ control software commanding the park position and the tractor’s ground speed allowing for engagement. If a ground speed signal is detected even though the park position is commanded and the TIQ control software has received…

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This diagnostic trouble code is generated when the control software detects that the tractor is moving even though the park brake is engaged. This situation indicates a potential safety issue that needs immediate attention.

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This diagnostic trouble code indicates that the declutch switch on the range-shift lever is actuated even though it is deactivated in address PTQ 167 but activated in address TIQ 168. This discrepancy prevents the clutch function from being carried out.

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This diagnostic trouble code is generated when the declutch switch on the range-shift lever is pressed for more than 2 seconds during startup. This indicates a fault with the declutch switch or its operation.

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This diagnostic trouble code indicates that Tractor-Implement Automation has been deactivated due to the presence of other active diagnostic trouble codes. These other codes take priority and must be addressed to reactivate the automation.

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This diagnostic trouble code is generated when there is a problem transferring data between the TEC control software and the implement. This indicates an issue with the implement CAN BUS, which may be caused by faulty wiring, poor connections, or communication errors.

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