John Deere 003599.03: High 12 Volt Supply Voltage Detected

The system has detected that the 12 Volt Supply Voltage is higher than expected. This condition is reported by the Cab Control Module (DOI).

1. 1

   The 12 Volt Supply Voltage using a multimeter

2. 2

   The Cab Control Module (DOI) for proper operation

1. 1

   Measure the 12 Volt Supply Voltage

   Use a multimeter to verify the voltage level at the 12 Volt supply circuit.

2. 2

   Inspect the Cab Control Module (DOI)

   Check the Cab Control Module (DOI) for signs of damage or improper installation.