TIQ 520959.14 – INFORMATION FOR OPERATOR: No Valid Signal From Operator Presence Switch During Shifting
TIQ 520959.14 (TIQ )
Code: 520959.14
Shortcode:
Description:
This operator information (diagnostic trouble code) is generated when there is no valid signal indicating that the operator is present during upshifting or downshifting. This may be due to a malfunctioning operator presence switch or issues with the signal transmission.
Reaction:
When this fault is detected, the control software may exhibit limited or no functionality, preventing proper shifting operations.
Recommendations:
- Inspect Operator Presence Switch:
- Check the operator presence switch for proper operation.
- Replace the switch if it is found to be faulty.
- Verify Signal Transmission:
- Ensure that the signal from the operator presence switch is being transmitted correctly.
- Check wiring and connections for any signs of damage or looseness.
- Check Shifting Mechanism:
- Inspect the shifting mechanism to ensure it is functioning correctly and not causing signal issues.
- Consult Technical Support:
- If the issue persists, contact technical support or the manufacturer for further assistance.
Note:
Regularly inspecting and maintaining the operator presence switch and related components can help prevent issues with signal transmission and ensure safe operation.