LGCM Fault Code

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E09 / SPN 520220 FMI 05

Tracks Stuck in Low / High Speed Inop

System

Hydraulics / 2-Speed

Symptom

Tracks Stuck in Low / High Speed Inop

Diagnosis & fix steps

LOGIC: Travel Speed Shift Solenoid Circuit Open. ACTION: Disconnect 2-speed travel shift solenoid on main center swivel block. Measure coil resistance (~24Ω); trace harness back to the right-hand travel lever pushbutton switch.

Red Seal field insights

Pushbutton Wire Break: High-cycle thumb action on the travel lever snaps the small 22-gauge wires where they exit the base of the plastic travel control handle.

Same code keeps coming back?

That's a program problem, not a part problem. Book a 30-minute uptime review with Grant, a Red Seal Heavy Duty Technician.

Book an uptime review

Read before you touch anything

  • This is general reference information, not a repair manual. It is for trained, qualified technicians.
  • Fault codes, meanings and procedures vary by model, serial number and software version. Confirm the code and the procedure against the manufacturer's service manual before acting.
  • Follow the OEM service manual, torque specs and your site's safety procedures: lockout/tagout, block raised equipment, relieve hydraulic, fuel and air pressure, and let hot systems cool.
  • You use this information at your own risk. Adventure Mechanical and AM Fleet Integrity accept no liability for damage, injury, downtime or loss arising from its use.
  • Not affiliated with or endorsed by any manufacturer. Brand names are used only to identify the equipment a code applies to.

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