SIC codes John Deere Error - Page 10 of 10 - John Deere News & Innovations: Equipment, Technology, Solutions

SIC codes

Discover and Understand John Deere SIC Fault Codes

John Deere SIC fault codes, also known as John Deere SIC diagnostic trouble codes, are critical for maintaining the optimal performance of your agricultural machinery. These codes are generated by the SIC Control Unit, which manages the Selective Control Valves (ESCVs/EICVs) on John Deere equipment. Understanding these error codes can help diagnose and resolve issues quickly, ensuring minimal downtime and maximum efficiency.

What are John Deere SIC Fault Codes?

John Deere SIC fault codes are diagnostic messages generated by the SIC control unit to indicate malfunctions or abnormalities in the equipment’s operation. These codes help operators and technicians identify specific problems within the ESCV (Electro-Hydraulic Section Control Valve) and EICV (Electro-Hydraulic Integrated Control Valve) systems.

Where Do These Codes Occur?

These codes commonly occur in John Deere tractors, harvesters, and other machinery equipped with ESCVs and EICVs. The SIC control unit monitors these valves and generates fault codes when it detects issues such as voltage irregularities, temperature extremes, or communication errors.

Common John Deere SIC Fault Codes

Here are five of the most common John Deere SIC error codes, where they occur, and what they mean:

SIC 523890.00 – A36 Stepper Motor ESCV 1, Supply Voltage Out of Valid Range High
- Occurrence: Typically seen in tractors with front-end implements.
- Meaning: Indicates the system voltage at the stepper motor of ESCV 1 exceeds 16 volts, potentially causing erratic operation or failure.
SIC 523891.01 – A37 Stepper Motor ESCV 2, Supply Voltage Out of Valid Range Low
- Occurrence: Found in various John Deere machinery.
- Meaning: The system voltage at the stepper motor of ESCV 2 is less than 9 volts, leading to insufficient power for proper operation.
SIC 523892.00 – A38 Stepper Motor ESCV 3, Supply Voltage Out of Valid Range High
- Occurrence: Common in equipment with advanced hydraulic systems.
- Meaning: Voltage at the stepper motor of ESCV 3 exceeds 16 volts, indicating a risk of damage due to overvoltage.
SIC 523895.31 – S91 Control Lever (Potentiometer or Switch) for ESCV 1, Faulty
- Occurrence: Occurs in tractors and machinery with selective control valve systems.
- Meaning: Potentiometer signal voltage for ESCV 1 control lever is incorrect, or the switch status does not match the potentiometer signal.
SIC 600006.31 – Diagnostic Trouble Code Not Known
- Occurrence: Seen across various John Deere models.
- Meaning: An unknown diagnostic trouble code received via CAN BUS, indicating a possible issue not stored in the DTI memory.

Why Understanding These Codes is Important

Understanding John Deere SIC diagnostic trouble codes is crucial for:

Efficient Troubleshooting: Quickly identifying and resolving issues to minimize downtime.
Preventive Maintenance: Regularly monitoring these codes to maintain optimal machinery performance.
Cost Savings: Avoiding extensive repairs by addressing problems early.

Keep your John Deere machinery running smoothly by staying informed about SIC fault codes and their implications. Regular maintenance and timely troubleshooting can significantly enhance the longevity and efficiency of your equipment.

SIC 002003.09 – Incorrect CAN BUS Message, Information from EPC or TCU
John Deere SIC codes
This error code, SIC 002003.09, is generated when there is a data transfer problem between the Electronic Power Control (EPC) or Transmission Control Unit (TCU) and the SIC control unit. This issue indicates that the messages received via the CAN…
READ MORE
SIC 002000.09 – Incorrect CAN BUS Message, Information from ECU
John Deere SIC codes
This error code, SIC 002000.09, is generated when there is a data transfer problem between the Engine Control Unit (ECU) and the SIC control unit. This issue indicates that the messages received via the CAN BUS are incorrect or corrupted.
READ MORE
SIC 001079.04 – 5 Volt Power Supply Too Low
John Deere SIC codes
This error code, SIC 001079.04, is saved when the power supply for the 5-volt components (such as potentiometers for control levers and multifunction lever, and the ESCV adjusting knob) is detected to be too low. This can indicate a malfunction…
READ MORE
SIC 001079.03 – 5 Volt Power Supply Too High
John Deere SIC codes
This error code, SIC 001079.03, is saved when the power supply for the 5-volt components (such as potentiometers for control levers and multifunction lever, and the ESCV adjusting knob) is detected to be too high. This can indicate a malfunction…
READ MORE
SIC 000639.14 – Vehicle CAN BUS, Very High Error Rate
John Deere SIC codes
This error code, SIC 000639.14, is saved when the SIC control unit recognizes a very high error rate in the incoming CAN BUS messages. This indicates a general problem in the vehicle’s CAN BUS system, which could be due to…
READ MORE
SIC 000630.13 – Control Unit Not Calibrated
John Deere SIC codes
This error code, SIC 000630.13, is saved when one or more functions in the control unit are active but have not yet been calibrated. Proper calibration is crucial for accurate operation and performance of the control unit.
READ MORE
SIC 000629.12 – Control Unit Internal Fault (Watchdog Timer)
John Deere SIC codes
This error code, SIC 000629.12, is generated when the control unit detects that too much time has elapsed for a specific operation (watchdog timer). This indicates a potential malfunction in the control unit’s processing or timing functions.
READ MORE
SIC 000628.12 – Control Unit Internal Fault
John Deere SIC codes
This error code, SIC 000628.12, is triggered when a fault occurs within the internal module of the control unit. This could indicate a variety of internal issues such as hardware malfunctions or software errors that affect the control unit’s operation.
READ MORE
SIC 000177.01 – Hydraulic Oil Temperature Too Low
John Deere SIC codes
This error code, SIC 000177.01, is generated when the control unit registers a hydraulic oil temperature of less than 25°C (13°F). The function of the EICV (Electro-Hydraulic Integrated Control Valve) and ESCV (Electro-Hydraulic Section Control Valve) is temperature-dependent, impacting their…
READ MORE
SIC 000158.04 – Control Unit, Supply Voltage Too Low
John Deere SIC codes
This error code, SIC 000158.04, is generated when the control unit detects that the unswitched supply voltage is below 10 volts. This situation typically arises when the electrical system experiences an undervoltage condition.
READ MORE
SIC 000158.03 – Control Unit, Supply Voltage Too High
John Deere SIC codes
This error code, SIC 000158.03, is generated when the control unit detects that the unswitched supply voltage is above 16 volts. This situation typically arises when the electrical system experiences an overvoltage condition.
READ MORE

John Deere News & Innovations: Equipment, Technology, Solutions

SIC codes

Discover and Understand John Deere SIC Fault Codes

What are John Deere SIC Fault Codes?

Where Do These Codes Occur?

Common John Deere SIC Fault Codes

Why Understanding These Codes is Important

SIC 002003.09 – Incorrect CAN BUS Message, Information from EPC or TCU

SIC 002000.09 – Incorrect CAN BUS Message, Information from ECU

SIC 001079.04 – 5 Volt Power Supply Too Low

SIC 001079.03 – 5 Volt Power Supply Too High

SIC 000639.14 – Vehicle CAN BUS, Very High Error Rate

SIC 000630.13 – Control Unit Not Calibrated

SIC 000629.12 – Control Unit Internal Fault (Watchdog Timer)

SIC 000628.12 – Control Unit Internal Fault

SIC 000177.01 – Hydraulic Oil Temperature Too Low

SIC 000158.04 – Control Unit, Supply Voltage Too Low

SIC 000158.03 – Control Unit, Supply Voltage Too High

Categories

Recent Posts

John Deere fault codes: