TSC 000084.15 – Wheel Speed Detected During Calibration (Cab Suspension or TLS)

TSC 000084.15 (TSC 84.15)

Code: 000084.15

Shortcode: 84.15

Description:

This diagnostic trouble code, TSC 000084.15, is triggered when the TSC control unit detects a wheel speed above 0.5 km/h (0.3 mph) via CAN BUS during calibration of the cab suspension or TLS. Potential causes include:

  • Defective wheel speed sensor B09/B35 (for PowrQuad transmission) or transmission output speed sensor B63 (for AutoPowr/IVT transmission).
  • Incorrect wheel speed or transmission output speed data received via CAN BUS.
  • Tractor not positioned on a level surface during calibration, causing movement and resulting in detectable wheel speed.

Reaction:

When this error occurs, the calibration process will be interrupted or fail, preventing proper calibration of the cab suspension or TLS system.

Recommendations:

Inspect Wheel Speed Sensors:

  • Check Sensor B09/B35 (PowrQuad) or B63 (AutoPowr/IVT):
    • Ensure sensors are properly connected and free from damage.
    • Replace defective sensors if necessary.

Verify CAN BUS Data:

  • Check CAN BUS Communication:
    • Inspect CAN BUS wiring and connections for damage, loose connections, or corrosion.
    • Repair or replace damaged components as necessary.

Ensure Level Surface During Calibration:

  • Reposition Tractor:
    • Place the tractor on a flat, level surface before starting the calibration process to avoid movement and incorrect speed detection.

Additional Actions:

  • Repeat Calibration:
    • After addressing potential issues, restart the calibration process and ensure no movement during the procedure.

Note:

Ensuring the tractor is stationary and on a level surface is critical for successful calibration. Regularly check sensor conditions and CAN BUS communications to prevent similar issues.


Control Units: John Deere