John Deere 001549.04: Low Voltage On The Cab Heater Valve, Air Conditioning Module (ETC)

The system has detected low voltage on the cab heater valve within the air conditioning module (ETC). This may affect the proper operation of the cab heater valve.

1. 1

   The power supply to the air conditioning module (ETC)

2. 2

   The wiring and connections to the cab heater valve

3. 3

   The voltage levels at the cab heater valve

1. 1

   Check the power supply

   Verify that the power supply to the air conditioning module (ETC) is functioning correctly.

2. 2

   Inspect wiring and connections

   Examine the wiring and connections to the cab heater valve for any damage, corrosion, or loose contacts.

3. 3

   Measure voltage

   Use a multimeter to measure the voltage at the cab heater valve and compare it to the expected values.