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SPN.FMI
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Applicable Failure Mode
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Recommended Solutions
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158.3
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VTI Switched Supply Voltage Too High
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The voltage level of the switched power is greater than the
nominal. Turn off the ignition key, then turn it back on. If this
diagnostic code shows up again, check power supply wiring. Please
contact your John Deere dealer.
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158.4
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VTI Switched Supply Voltage Too Low
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The switched power voltage is below the nominal. Turn off the
ignition key and turn it back on. If this diagnostic code shows up
again, check the battery. Please contact your John Deere dealer.
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168.3
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Unswitched Supply Voltage Too High
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The voltage level of from the battery power supply is greater
than the nominal. Cycle power on the display. If this diagnostic code
shows up again, check wiring. Please contact your John Deere dealer.
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168.4
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Unswitched Supply Voltage Too Low
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The voltage level from the battery is lower than the nominal.
Cycle power on the display. If this diagnostic code shows up again,
check battery power and recharge it as needed. Please contact your
John Deere dealer.
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609.12
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Controller #2
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A permanent channel down condition detected on SPI communication
lines. Please contact your John Deere dealer.
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1386
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Display Unit Temperature Too High
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The LCD backlight was not turned off when the temperature was
above the highest limit. Please contact your John Deere dealer.
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1386.1
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Display Unit Temperature Too Low
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The LCD backlight was not turned off when the unit temperature
was below the lowest limit. Contact you John Deere Dealer.
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2040.9
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Source Address 40
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Heartbeat message from PDU has been missing for more than 60
seconds. Recheck the connection. Please contact your John Deere
dealer.
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3597.2
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Regulate Voltage 5.0 v Abnormal
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The 5.0 v regulated power is out of range. Click Cancel if it
occurs occasionally. If it occurs continually, contact your John Deere
Dealer.
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3598.2
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Regulated Voltage 1.5 v Abnormal
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The 1.5 v regulated power is out of range. Click Cancel if it
occurs occasionally. If it occurs continually, contact your John Deere
Dealer.
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3599.2
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Regulated Voltage 3.3 v Abnormal
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The 3.3 v regulated power is out of range. Click Cancel if it
occurs occasionally. If it occurs continually, contact your John Deere
Dealer.
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521780.12
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USB Network
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Overcurrent condition detected on USB circuit. Please contact
your John Deere dealer.
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523310.12
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Non-Volatile Memory Read/Write Failure
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Failed to read/write from/to the NOR flash. See your John Deere
dealer.
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523771.3
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CCD+ Line Voltage Too High
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The voltage on the CCD_HIGH line of the CCD network is above
the nominal. Cycle power on the display. If this diagnostic code shows
up again, check the harness wiring.
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523771.3
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CCD+ Line Voltage Too Low
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The voltage level on the CCD_HIGH line of the CCD network is
below the nominal. Cycle power on the display. If this diagnostic
code shows up again, check the battery and harness wiring.
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523772.4
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CCD- Line Voltage Too High
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The voltage on the CCD_Low line of the CCD network is above
the nominal. Cycle power on the display. If this diagnostic code shows
up again, check the harness wiring.
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523772.4
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CCD- Line Voltage Too Low
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The voltage level on the CCD_Low line of the CCD network is
below the nominal. Cycle power on the display. If this diagnostic
code shows up again, check the battery and harness wiring.
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523773.3
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Vehicle CAN+ Line Voltage Too High
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The voltage on the CAN_HIGH line of the Vehicle Bus (Tractor
Bus) is above the nominal. Cycle power on the display. If this diagnostic
code shows up again, check the harness wiring.
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523773.4
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Vehicle CAN+ Line Voltage Too Low
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The voltage level on the CAN_HIGH line of the Vehicle CAN Bus
(Tractor CAN Bus) is below the nominal. Cycle power on the display.
If this diagnostic code shows up again, check the battery and harness
wiring.
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523774.3
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Vehicle CAN- Line Voltage Too High
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The voltage on the CAN_LOW line of the Vehicle Bus (Tractor
Bus) is above the nominal. Cycle power on the display. If this diagnostic
code shows up again, check the wiring.
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523774.4
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Vehicle CAN- Line Voltage Too Low
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The voltage level on the CAN_LOW line of the Vehicle CAN Bus
(Tractor CAN Bus) is below the nominal. Cycle power on the display.
If this diagnostic code shows up again, check the battery and harness
wiring.
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524050.12
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Real Time Clock Malfunction
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Real Time Clock malfunctioned. It may be caused by the damage
on the RTC chip or no power applied to the chip.
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524215.3
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Implement CAN+ Line Voltage Too High
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The voltage on the CAN_HIGH line of the Implement Bus is above
the nominal. Cycle power on the display. If this diagnostic code shows
up again, check the harness wiring.
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524215.4
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Implement CAN+ Line Voltage Too Low
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The voltage on the CAN_HIGH line of the Implement Bus is below
0.5 v Cycle power on the display. If this diagnostic code shows up
again, check the battery power and recharge the battery as needed.
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524217.3
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Implement CAN+ Line Voltage Too High
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The voltage on the CAN_HIGH line of the Implement Bus is above
nominal. Cycle power on the display. If this diagnostic code shows
up again, check wiring.
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524217.4
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Implement CAN+ Line Voltage Too Low
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The voltage on the CAN_LOW line of the Implement Bus is below
the nominal. Cycle power on the display. If this diagnostic code shows
up again, check the battery power and recharge the battery as needed.
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