TIQ ERROR CODES / TIQ FAULT CODES

The TIQ control software receives and processes signals from the AIC and OIC control softwares and transmits them to the PTQ control software. The TIQ control software is included in the cab control unit.
The control software receives signals from:
– PTQ Control Software
– AIC Control Software
– EIC Control Software
– OIC Control Software
The incoming signals are processed by the control software. Control signals are transmitted via the CAN Bus to the following control software:
– EIC Control Software
– PTQ Control Software

John Deere TIQ fault codes / John Deere TIQ diagnostic trouble codes

NOTE:This page only indicates the meaning of the fault codes. For complete troubleshooting information, see the technical manuals.

TIQ 000177.17 (TIQ 177.17)— Transmission Oil Temperature Too Low
Transmission oil temperature below -5 °C (23 °F). Engine speed limited to 1500 rpm.
Reaction of the control software: The control software limits the engine speed to 1500 rpm.

TIQ 000190.01 (TIQ 190.01)— Engine Speed Out of Range Low
The diagnostic trouble code is generated if the control software detects that the engine speed is too low. The transmission is shifted into neutral to prevent the engine from stalling.
Reaction of the control software: The control software shifts the transmission into neutral.

TIQ 000525.07 (TIQ 525.07)— Wheel Speed Sensor Fault
Error rate at received CAN Bus data points too high.
Reaction of the control software: Only a certain number of gears can be shifted.

TIQ 000628.02 (TIQ 628.02)— Control Software Internal Fault
Error when reading the internal module (EEPROM).
Reaction of the control software: Limited or no function of the control software.

TIQ 000628.12 (TIQ 628.12)— Control Software Internal Fault
A fault occurred when the software was launched.
Reaction of the control software: Limited or no function of the control software.

TIQ 000629.12 (TIQ 629.12)— Control Software Internal Fault
A fault occurred when the software was launched (watchdog).
Reaction of the control software: Limited or no function of the control software.

TIQ 000639.12 (TIQ 639.12)— Vehicle CAN Bus (500 kBd), High Error Rate
Too many incorrect CAN Bus messages received. This indicates a general problem at the connection to the Vehicle CAN Bus (500 kBd).
Reaction of the control software: Limited or no function of the control software.

TIQ 001745.14 (TIQ 1745.14)— CAN BUS Fault, Driving of Vehicle is Limited
The diagnostic trouble code is generated if the control software has not performed all boot routines during initialization. Move the shift lever to park position to re-initialize.
Reaction of the control software: Limited or no function of the control software.

TIQ 002000.09 (TIQ 2000.09)— Incorrect CAN BUS Message, Information from ECU Control Software
The diagnostic trouble code is generated if a data transfer problem occurs between the TIQ control software and the ECU control software. Reception of one, several or all of the CAN messages transmitted by the ECU control software is intermittent or non-existent (intermittent reception could be due to a loose wire).
Reaction of the control software: Limited or no function of the control software.

TIQ 002003.09 (TIQ 2003.09)— Incorrect CAN BUS Message, Information from PTQ Control Software
The diagnostic trouble code is generated if a data transfer problem occurs between the TIQ control software and the PTQ control software. Reception of one, several or all of the CAN messages transmitted by the PTQ control software is intermittent or non-existent (intermittent reception could be due to a loose wire).
Reaction of the control software: Limited or no function of the control software.

TIQ 002006.09 (TIQ 2006.09)— Incorrect CAN BUS Message, Information from EIC Control Software
The diagnostic trouble code is generated if a data transfer problem occurs between the TIQ control software and the EIC control software. Reception of one, several or all of the CAN messages transmitted by the EIC control software is intermittent or non-existent (intermittent reception could be due to a loose wire).
Reaction of the control software: Limited or no function of the control software.

TIQ 002007.09 (TIQ 2007.09)— Incorrect CAN BUS Message, Information from RPT Control Software
The diagnostic trouble code is generated if a data transfer problem occurs between the TIQ control software and the RPT control software. Reception of one, several or all of the CAN messages transmitted by the RPT control software is intermittent or non-existent (intermittent reception could be due to a loose wire).
Reaction of the control software: Limited or no function of the control software.

TIQ 002019.09 (TIQ 2019.09)— Incorrect CAN BUS Message, Information from XSC Control Software
The diagnostic trouble code is generated if a data transfer problem occurs between the TIQ control software and the XSC control software. Reception of one, several or all of the CAN messages transmitted by the XSC control software is intermittent or non-existent (intermittent reception could be due to a loose wire).
Reaction of the control software: Limited or no function of the control software.

TIQ 002020.09 (TIQ 2020.09)— Incorrect CAN BUS Message, Information from SFA Control Software
The diagnostic trouble code is generated if a data transfer problem occurs between the TIQ control software and the SFA control software. Reception of one, several or all of the CAN messages transmitted by the SFA control software is intermittent or non-existent (intermittent reception could be due to a loose wire).
Reaction of the control software: Limited or no function of the control software.

TIQ 002035.09 (TIQ 2035.09)— Incorrect CAN BUS Message, Information from HCC Control Software
The diagnostic trouble code is generated if a data transfer problem occurs between the TIQ control software and the HCC control software. Reception of one, several or all of the CAN messages transmitted by the HCC control software is intermittent or non-existent (intermittent reception could be due to a loose wire).
Reaction of the control software: Limited or no function of the control software.

TIQ 002036.09 (TIQ 2036.09)— Incorrect CAN BUS Message, Information from PTF Control Software
The diagnostic trouble code is generated if a data transfer problem occurs between the TIQ control software and the PTF control software. Reception of one, several or all of the CAN messages transmitted by the PTF control software is intermittent or non-existent (intermittent reception could be due to a loose wire).
Reaction of the control software: Limited or no function of the control software.

TIQ 002049.09 (TIQ 2049.09)— Incorrect CAN BUS Message, Information from OIC Control Software
The diagnostic trouble code is generated if a data transfer problem occurs between the TIQ control software and the OIC control software. Reception of one, several or all of the CAN messages transmitted by the OIC control software is intermittent or non-existent (intermittent reception could be due to a loose wire).
Reaction of the control software: Limited or no function of the control software.

TIQ 002071.09 (TIQ 2071.09)— Incorrect CAN BUS Message, Information from CCU Control Software
The diagnostic trouble code is generated if a data transfer problem occurs between the TIQ control software and the CCU control software. Reception of one, several or all of the CAN messages transmitted by the CCU control software is intermittent or non-existent (intermittent reception could be due to a loose wire).
Reaction of the control software: Limited or no function of the control software.

TIQ 002139.09 (TIQ 2139.09)— Incorrect CAN Bus Message, Information from CSM Control Software
The diagnostic trouble code is generated if a data transfer problem occurs between the TIQ control software and the CSM control software. Reception of one, several or all of the CAN messages transmitted by the CSM control software is intermittent or non-existent (intermittent reception could be due to a loose wire).
Control software response: Limited or no function of the control software.

TIQ 002140.09 (TIQ 2140.09)— Incorrect CAN BUS Message, Information from AIC Control Software
The diagnostic trouble code is generated if a data transfer problem occurs between the TIQ control software and the AIC control software. Reception of one, several or all of the CAN messages transmitted by the AIC control software is intermittent or non-existent (intermittent reception could be due to a loose wire).
Reaction of the control software: Limited or no function of the control software.

TIQ 002145.09 (TIQ 2145.09)— Incorrect CAN BUS Message, Information from FCC Control Software
The diagnostic trouble code is generated if a data transfer problem occurs between the TIQ control software and the FCC control software. Reception of one, several or all of the CAN messages transmitted by the FCC control software is intermittent or non-existent (intermittent reception could be due to a loose wire).
Reaction of the control software: Limited or no function of the control software.

TIQ 002161.09 (TIQ 2161.09)— Incorrect CAN BUS Message, Information from SV1
The diagnostic trouble code is generated if a data transfer problem occurs between the TIQ control software and the SV1. Reception of one, several or all of the CAN messages transmitted by the SV1 is intermittent or nonexistent (intermittent reception could be due to a loose wire).
Control software response: Limited or no function of the control software.

TIQ 002820.31 (TIQ 2820.31)— INFORMATION FOR OPERATOR: Operator Presence Switch Not Activated
This operator information (diagnostic trouble code) is generated if the reverse drive lever has been actuated but there is no valid signal to indicate that the operator is present.
Reaction of the control software: Limited or no function of the control software.

TIQ 520870.02 — Control Software Internal Fault
Error when reading the internal module (EEPROM).
Reaction of the control software: Limited or no function of the control software.

TIQ 520871.02 — Control Software Internal Fault
Error when reading the internal module (EEPROM).
Reaction of the control software: Limited or no function of the control software.

TIQ 520959.14 — INFORMATION FOR OPERATOR: No Valid Signal From Operator Presence Switch During Shifting
This operator information (diagnostic trouble code) is generated if there is no valid signal to indicate that the operator is present during upshifting/downshifting.
Control software response: Limited or no function of the control software.

TIQ 522149.14 — Reduced Ground Speed, Fault
An internal error has occurred.
Reaction of the control software: Limited or no function of the control software.

TIQ 522149.31 — INFORMATION FOR OPERATOR: Reduced Ground Speed
An error with automated ground speed has occurred.
Reaction of the control software: Limited or no function of the control software.

TIQ 522390.09 — Incorrect CAN BUS Message, Information from Implement
The diagnostic trouble code is generated if there is a problem transferring data between the TEC control software and the implement. This indicates a problem in the implement CAN BUS.
Reaction of the control software: Tractor-Implement Automation is deactivated.

TIQ 522390.11 — Tractor-Implement Automation Deactivated
Tractor-Implement Automation deactivated due to other active diagnostic trouble codes. These take priority.
Reaction of the control software: Tractor-Implement Automation is deactivated.

TIQ 523677.02 — INFORMATION FOR OPERATOR: Declutch Switch on Range-Shift Lever Fault
Declutch switch pressed for more than 2 seconds during startup.
Reaction of the control software: No function of the declutch switch on range-shift lever

TIQ 523677.14 — INFORMATION FOR OPERATOR: Declutch Switch On Range-Shift Lever Activated/Not Activated
Declutch switch on range-shift lever is actuated even though it is deactivated in address PTQ 167 (however, in address TIQ 168 it is activated). The clutch function is not carried out.
NOTE: With older software versions, use addresses PTQ 167 and PTQ 168.
Reaction of the control software: No function of the declutch switch on range-shift lever.

TIQ 523922.31 — INFORMATION FOR OPERATOR: Park Brake Engaged But Vehicle Is Moving
The diagnostic trouble code is generated if the control software detects that the tractor is moving even though the park brake is engaged. Release park brake or engage park lock.
Reaction of the control software: Limited or no function of the control software.

TIQ 523961.07 — Park Lock, Malfunction
This diagnostic trouble code is generated under the following conditions:
– If the park lock does not engage, even though the TIQ control software commands park position and the tractor’s ground speed is such that engagement is permitted.
– If a ground speed signal is present, even though the park position is commanded and the TIQ control software has received confirmation that the park lock is engaged.
Reaction of the control software: If there is an operator error, the tractor may be moved again after shifting the reverse drive lever and park lock into neutral position.

TIQ 523966.31 — Tractor in “Come Home” Mode – INFORMATION FOR OPERATOR: Reverse Drive Lever in Position for Neutral or Park
This operator information (diagnostic trouble code) is generated if the come-home mode is activated (plug for come-home function in COME-HOME position). The operator is informed that he should move the reverse drive lever to its neutral or park position to gain access to the next stage of the come-home function.
Reaction of the control software: Limited or no function of the control software.

TIQ 524020.31 — INFORMATION FOR OPERATOR: Reverse Drive Lever is in the Position for Forward or Reverse Travel During Start-up Procedure
This information for the operator (diagnostic trouble code) is generated if 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 the diagnostic trouble code is generated although the reverse drive lever is not in a position for direction of travel, an operational checkout should be performed.
Reaction of the control software: The diagnostic trouble code is deactivated after moving the reverse drive lever to the corner park lock position and turning the ignition switch off and on.

TIQ 524173.18 — INFORMATION FOR OPERATOR: Clutch Pedal Not Actuated Properly
Operator attempting to shift above 13th gear while the clutch pedal is only actuated partially. Actuate the clutch pedal completely.
Reaction of the control software: Transmission does not shift any further.

TIQ 524254.03 — Transmission Enable Circuit Voltage Too High
Circuit open or shorted to 12 volts.

Reaction of the control software: With diagnostic trouble code active, the tractor transmission cannot be shifted. The 3rd gear is engaged automatically. Limited transmission function.

TIQ 524254.04 — Transmission Enable Circuit Voltage Too Low
Voltage supply of 12-volt components too low. This indicates a short to ground or an internal fault of the control unit.
Reaction of the control software: With diagnostic trouble code active, the tractor transmission cannot be shifted. The 3rd gear is engaged automatically. Limited transmission function.

TIQ 524277.00 — INFORMATION FOR OPERATOR: Engine Speed Too High For Downshifting
The diagnostic trouble code is generated if the control software detects that the engine speed is too high to downshift the transmission. This could be caused by an operator error (engine speed too high). The operator is requested to downshift again.
Alarm level: Information.

TIQ 524279.31 — INFORMATION FOR OPERATOR: Operator Presence Switch Not Activated While Transmission Is In Neutral
The diagnostic trouble code is generated if the control software detects that the operator presence switch is not activated while the transmission in neutral.
Reaction of the control software: Transmission in neutral. Operator must be on seat.