Diagnostic Trouble Codes (DTC) List

The following is a list of most common Diagnostic Trouble Codes (DTC) with a possible solution. If the listed solution does not solve the code, or you experience a code not listed here, consult appropriate technical manual or contact your local John Deere dealer.

Machine DTC’s

DTC Code	DTC Description	Possible Solution
000096.03	Fuel Sensor Voltage Incorrect	Check connections and wiring
000096.16	Fuel Sensor Reading Out of Range	Check connections and wiring
000100.01	Low Engine Oil Pressure	Check engine oil
000110.00	High Engine Coolant Temperature	Check engine coolant
000158.00	Regulated Voltage Above 18V	Check alternator wiring and connections
000168.00	Battery Voltage Above 18V	Check battery and connections
000168.01	Battery Voltage Below 8V	Check battery and connections
000168.16	Battery Voltage Between 16V and 18V	Check battery and connections
000168.18	Battery Voltage Between 8V and 9V	Check battery and connections
000190.00	Engine RPM Out of Range High	Verify Engine RPM
000190.01	Engine RPM Out of Range Low	Verify Engine RPM
000190.02	Engine Speed Sensor Data Erratic or Missing	Check connections and wiring
000190.09	Engine Speed Sensor Communication Error	Check connections and wiring
000677.03	Starter Relay Short	Check relay, connections, and wiring
000677.04	Starter Relay Short	Check relay, connections, and wiring
000920.03	Audible Alarm Short	Check connections and wiring
000920.04	Audible Alarm Short	Check connections and wiring
001638.00	High Hydraulic Oil Temperature	Check hydraulic oil
001713.00	Hydraulic Filter Restricted	Check hydraulic oil filter
001713.03	Hydraulic Filter Restriction Switch Short	Check switch, connections, and wiring
001713.31	Hydraulic Filter Restriction Switch Error	Check switch, connections, and wiring
516124.03	Fuel Hold or Engine Run Circuit Short	Check fuel solenoid, connections, and wiring
516124.04	Fuel Hold or Engine Run Circuit Short	Check fuel solenoid, connections, and wiring
516125.03	Fuel Pull-In Relay Short	Check relay, connections, and wiring
516125.04	Fuel Pull-In Relay Short	Check relay, connections, and wiring
516129.03	Raise/Extend Solenoid Short	Check solenoid, connections, and wiring
516129.04	Raise/Extend Solenoid Short	Check solenoid, connections, and wiring
516130.03	Right Extend Solenoid Short	Check solenoid, connections, and wiring
516130.04	Right Extend Solenoid Short	Check solenoid, connections, and wiring
516131.03	Left Extend Solenoid Short	Check solenoid, connections, and wiring
516131.04	Left Extend Solenoid Short	Check solenoid, connections, and wiring
516132.03	Right Retract Solenoid Short	Check solenoid, connections, and wiring
516132.04	Right Retract Solenoid Short	Check solenoid, connections, and wiring
516133.03	Left Retract Solenoid Short	Check solenoid, connections, and wiring
516133.04	Left Retract Solenoid Short	Check solenoid, connections, and wiring
516135.03	Air Preheat Relay Short	Check relay, connections, and wiring
516135.04	Air Preheat Relay Short	Check relay, connections, and wiring
516136.03	Narrow/Wide Solenoid Short	Check solenoid, connections, and wiring
516136.04	Narrow/Wide Solenoid Short	Check solenoid, connections, and wiring
516182.03	4WD Relay Short	Check relay, connections, and wiring
516182.04	4WD Relay Short	Check relay, connections, and wiring
516183.02	Right Proximity Sensor Voltage Data Incorrect	Check sensor, connections, and wiring
516183.07	Right Lift Arm Timing Incorrect	Inspect lift arm and lift system
516184.02	Left Proximity Sensor Voltage Data Incorrect	Check sensor, connections, and wiring
516184.07	Left Lift Arm Timing Incorrect	Inspect lift arm and lift system
516184.04	Left Proximity Sensor Short	Check sensor, connections, and wiring
516199.03	Raise/Lower Select Solenoid Short	Check solenoid, connections, and wiring
516199.04	Raise/Lower Select Solenoid Short	Check solenoid, connections, and wiring
516200.03	Rear Mow Solenoid Short	Check solenoid, connections, and wiring
516200.04	Rear Mow Solenoid Short	Check solenoid, connections, and wiring
516201.03	Front Raise/Lower Solenoid Short	Check solenoid, connections, and wiring
516201.04	Front Raise/Lower Solenoid Short	Check solenoid, connections, and wiring
516202.03	Rear Raise/Lower Solenoid Short	Check solenoid, connections, and wiring
516202.04	Rear Raise/Lower Solenoid Short	Check solenoid, connections, and wiring
516206.03	Front (or single) Mow Solenoid Short	Check solenoid, connections, and wiring
516206.04	Front (or single) Mow Solenoid Short	Check solenoid, connections, and wiring
516207.03	48V Alternator Relay Short	Check relay, connections, and wiring
516207.04	48V Alternator Relay Short	Check relay, connections, and wiring
516708.00	Hydraulic Leak Detected (if equipped)	Check for hydraulic system leaks
520957.03	Park Brake Solenoid Short	Check solenoid, connections, and wiring
520957.04	Park Brake Solenoid Short	Check solenoid, connections, and wiring
521426.31	Incorrect Voltage Detected from Lower Switch	Check switch, connections, and wiring
521427.31	Incorrect Voltage Detected from Raise Switch	Check switch, connections, and wiring
521428.03	Lower Solenoid Short	Check solenoid, connections, and wiring
521428.04	Lower Solenoid Short	Check solenoid, connections, and wiring
521429.03	Raise Solenoid Short	Check solenoid, connections, and wiring
521429.04	Raise Solenoid Short	Check solenoid, connections, and wiring
522405.31	Park Brake Manual Release Valve Open	Close park brake manual release valve
523324.03	Hydrostat Swashplate Sensor Short	Check sensor, connections, and wiring
523324.04	Hydrostat Swashplate Sensor Short	Check sensor, connections, and wiring
523590.03	Forward Pedal Sensor Short	Check sensor, connections, and wiring
523590.04	Forward Pedal Sensor Short	Check sensor, connections, and wiring
523591.03	Reverse Pedal Sensor Short	Check sensor, connections, and wiring
523591.04	Reverse Pedal Sensor Short	Check sensor, connections, and wiring
523735.03	FWD/REV Solenoid Short	Check solenoid, connections, and wiring
523735.04	FWD/REV Solenoid Short	Check solenoid, connections, and wiring
523899.03	Work Light Relay Short	Check relay, connections, and wiring
524069.03	Reverse Solenoid Short	Check solenoid, connections, and wiring
524069.04	Reverse Solenoid Short	Check solenoid, connections, and wiring
524071.03	Forward Solenoid Short	Check solenoid, connections, and wiring
524071.04	Forward Solenoid Short	Check solenoid, connections, and wiring

Reel Unit Controller DTC’s

DTC Code	DTC Description	Possible Solution
000628.12	Stuck in Boot Block	See your John Deere dealer.
002513.03	Phase shorted to high current (Orange)	Check high current wires and connections to motor.
002513.04	Phase shorted to ground (Orange)	Check high current wires and connections to motor.
002513.05	Phase open (Orange)	Check high current wires and connections to motor.
002514.03	Phase shorted to high current (Black)	Check high current wires and connections to motor.
002514.04	Phase shorted to ground (Black)	Check high current wires and connections to motor.
002514.05	Phase open (Black)	Check high current wires and connections to motor.
002515.03	Phase shorted to high current (Green)	Check high current wires and connections to motor.
002515.04	Phase shorted to ground (Green)	Check high current wires and connections to motor.
002515.05	Phase open (Green)	Check high current wires and connections to motor.
003511.00	Motor Hall Sensor Voltage High	Check controller wiring and connections.
003511.01	Motor Hall Sensor Voltage Low	Check controller wiring and connections.
003597.00	Controller 14 V High	Check controller wiring and connections.
003597.01	Controller 14 V Low	Check controller wiring and connections.
521153.15	Internal Controller Over Temperature Shutdown	Check reel to bedknife clearance. Check for failed reel bearings. Check controller wiring and connections.
522327.00	Internal Motor Over Temperature Shutdown	Allow motor to cool. Check reel to bedknife clearance. Check for failed reel bearings. Check low current wiring and connections.
522917.00	Motor current over limit	Check reel to bedknife clearance. Check for failed reel bearings.
522917.06	Motor current over limit	Check reel to bedknife clearance. Check for failed reel bearings.
522917.15	Motor current over limit	Check reel to bedknife clearance. Check for failed reel bearings.
522917.16	Motor current over limit	Check reel to bedknife clearance. Check for failed reel bearings.
522918.00	Motor Failed To Start	Check reel for obstruction. Check reel to bedknife clearance. Check for failed reel bearings.
522918.02	Motor Spin Direction Shutdown	Check reel for obstruction. Check reel, bedknife, attachment for damage
522918.15	Motor Stalled While Running	Check reel for obstruction. Check reel to bedknife clearance. Check for failed reel bearings.
522919.03	Motor position sensor error while running	Check low current wires and connections to motor.
522919.12	Motor position sensor error at start	Check low current wires and connections to motor.
523666.00	Alternator output above 48 V	Check wiring and connections. Check 48 V alternator voltage regulator (See technical manual or John Deere dealer.)
523666.01	Alternator output below 20 V when running	Verify mow engine RPM is set correctly.
523666.02	Alternator output below 20 V at start	Verify mow engine RPM is set correctly.