TIQ codes John Deere Error - John Deere News & Innovations: Equipment, Technology, Solutions

TIQ codes

John Deere TIQ Diagnostic Trouble Codes: Comprehensive Guide

John Deere TIQ fault codes, also known as John Deere TIQ diagnostic trouble codes or error codes, play a crucial role in maintaining the optimal performance of agricultural equipment. The TIQ control software, located within the cab control unit, processes signals from various control software components and communicates essential control signals via the CAN Bus. Understanding these codes can help in troubleshooting and ensuring the machinery runs smoothly.

Common John Deere TIQ Error Codes and Their Locations

TIQ 524277.00 – Engine Speed Too High For Downshifting
- Location: Control software detects high engine speed
- Description: The engine speed is too high to downshift the transmission safely. This often results from operator error where the engine speed is not reduced before downshifting.
- Reaction: Informs the operator to retry downshifting at a lower engine speed.
- Solution: Reduce engine speed before attempting to downshift.
TIQ 524279.31 – Operator Presence Switch Not Activated While Transmission Is In Neutral
- Location: Transmission in neutral without operator presence
- Description: The operator presence switch is not activated while the transmission is in neutral, indicating that the operator is not on the seat.
- Reaction: Transmission remains in neutral until the operator is seated.
- Solution: Ensure the operator is seated to activate the switch.
TIQ 524254.03 – Transmission Enable Circuit Voltage Too High
- Location: Transmission enable circuit
- Description: The voltage in the transmission enable circuit is too high, possibly due to an open circuit or short to 12 volts.
- Reaction: Transmission cannot be shifted, and the 3rd gear is automatically engaged.
- Solution: Inspect and repair any open circuits or shorts.
TIQ 524254.04 – Transmission Enable Circuit Voltage Too Low
- Location: Transmission enable circuit
- Description: The voltage supply to 12-volt components is too low, indicating a short to ground or an internal fault in the control unit.
- Reaction: Transmission cannot be shifted, and the 3rd gear is automatically engaged.
- Solution: Inspect and repair any shorts or internal faults.
TIQ 524173.18 – Clutch Pedal Not Actuated Properly
- Location: Clutch pedal operation
- Description: The operator attempts to shift above 13th gear without fully actuating the clutch pedal.
- Reaction: Transmission does not shift further.
- Solution: Ensure the clutch pedal is fully actuated when shifting above 13th gear.

How TIQ Control Software Works

The TIQ control software receives signals from various sources, including PTQ, AIC, EIC, and OIC control software. These signals are processed and transmitted via the CAN Bus to the EIC and PTQ control software. This seamless communication ensures that the machinery operates efficiently and any issues are promptly identified and addressed.

Understanding and addressing John Deere TIQ fault codes is essential for maintaining the performance and longevity of your equipment. By familiarizing yourself with these common error codes and their solutions, you can ensure smoother operation and quicker resolution of any issues that arise. Regular maintenance and prompt attention to diagnostic trouble codes will keep your John Deere machinery running at its best.

TIQ 524020.31 – INFORMATION FOR OPERATOR: Reverse Drive Lever is in the Position for Forward or Reverse Travel During Start-up Procedure

John Deere TIQ codes

This operator information (diagnostic trouble code) is generated when the reverse drive lever is in the position for forward or reverse travel while the tractor is being started or the ignition is being turned on. If this code is generated…
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TIQ 524279.31 – INFORMATION FOR OPERATOR: Operator Presence Switch Not Activated While Transmission Is In Neutral

John Deere TIQ codes

This diagnostic trouble code is generated when the control software detects that the operator presence switch is not activated while the transmission is in neutral. This indicates that the operator is not on the seat, which is necessary for safe…
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TIQ 524277.00 – INFORMATION FOR OPERATOR: Engine Speed Too High For Downshifting

John Deere TIQ codes

This diagnostic trouble code is generated when the control software detects that the engine speed is too high for safe downshifting. This could be due to operator error, where the engine speed is maintained too high while attempting to downshift.
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TIQ 524254.04 – Transmission Enable Circuit Voltage Too Low

John Deere TIQ codes

This diagnostic trouble code is generated when the voltage supply of 12-volt components in the transmission enable circuit is too low, indicating a short to ground or an internal fault of the control unit.
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TIQ 524254.03 – Transmission Enable Circuit Voltage Too High

John Deere TIQ codes

This diagnostic trouble code is generated when the transmission enable circuit voltage is too high, indicating a circuit open or shorted to 12 volts.
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TIQ 524173.18 – INFORMATION FOR OPERATOR: Clutch Pedal Not Actuated Properly

John Deere TIQ codes

This diagnostic trouble code is generated when the operator attempts to shift above 13th gear while the clutch pedal is only partially actuated. Full actuation of the clutch pedal is required for proper gear shifting at higher gears.
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TIQ 523966.31 – Tractor in “Come Home” Mode – INFORMATION FOR OPERATOR: Reverse Drive Lever in Position for Neutral or Park

John Deere TIQ codes

This operator information (diagnostic trouble code) is generated when the come-home mode is activated (plug for come-home function in COME-HOME position). The operator is informed to move the reverse drive lever to its neutral or park position to access the…
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TIQ 523961.07 – Park Lock, Malfunction

John Deere TIQ codes

This diagnostic trouble code is generated under two specific conditions: If the park lock does not engage despite the TIQ control software commanding the park position and the tractor’s ground speed allowing for engagement. If a ground speed signal is…
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TIQ 523922.31 – INFORMATION FOR OPERATOR: Park Brake Engaged But Vehicle Is Moving

John Deere TIQ codes

This diagnostic trouble code is generated when the control software detects that the tractor is moving even though the park brake is engaged. This situation indicates a potential safety issue that needs immediate attention.
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TIQ 523677.14 – INFORMATION FOR OPERATOR: Declutch Switch On Range-Shift Lever Activated/Not Activated

John Deere TIQ codes

This diagnostic trouble code indicates that the declutch switch on the range-shift lever is actuated even though it is deactivated in address PTQ 167 but activated in address TIQ 168. This discrepancy prevents the clutch function from being carried out.
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TIQ 523677.02 – INFORMATION FOR OPERATOR: Declutch Switch on Range-Shift Lever Fault

John Deere TIQ codes

This diagnostic trouble code is generated when the declutch switch on the range-shift lever is pressed for more than 2 seconds during startup. This indicates a fault with the declutch switch or its operation.
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John Deere News & Innovations: Equipment, Technology, Solutions

TIQ codes

John Deere TIQ Diagnostic Trouble Codes: Comprehensive Guide

Common John Deere TIQ Error Codes and Their Locations

How TIQ Control Software Works

TIQ 524020.31 – INFORMATION FOR OPERATOR: Reverse Drive Lever is in the Position for Forward or Reverse Travel During Start-up Procedure

TIQ 524279.31 – INFORMATION FOR OPERATOR: Operator Presence Switch Not Activated While Transmission Is In Neutral

TIQ 524277.00 – INFORMATION FOR OPERATOR: Engine Speed Too High For Downshifting

TIQ 524254.04 – Transmission Enable Circuit Voltage Too Low

TIQ 524254.03 – Transmission Enable Circuit Voltage Too High

TIQ 524173.18 – INFORMATION FOR OPERATOR: Clutch Pedal Not Actuated Properly

TIQ 523966.31 – Tractor in “Come Home” Mode – INFORMATION FOR OPERATOR: Reverse Drive Lever in Position for Neutral or Park

TIQ 523961.07 – Park Lock, Malfunction

TIQ 523922.31 – INFORMATION FOR OPERATOR: Park Brake Engaged But Vehicle Is Moving

TIQ 523677.14 – INFORMATION FOR OPERATOR: Declutch Switch On Range-Shift Lever Activated/Not Activated

TIQ 523677.02 – INFORMATION FOR OPERATOR: Declutch Switch on Range-Shift Lever Fault

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