This diagnostic trouble code, PTQ 000168.01, indicates that the supply voltage (BAT) is below 9 volts. This condition may suggest a weak battery or other electrical issues affecting the power supply to the control software.
-
-
John Deere PTQ codes
This diagnostic trouble code, PTQ 000127.03, indicates that the voltage at the transmission oil pressure switch is above 4.875 volts. This condition may suggest a defective circuit, potentially leading to inaccurate oil pressure readings and improper transmission operation.