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Bobcat · Electrical

Bobcat code M5107: Rear light output open circuit

What it means

The controller sees an open circuit in the rear light output.

Can I keep running?

Keep going carefully, fix soon

Usually, if the machine runs normally: finish the job carefully and fix it soon. Stop if the machine derates, overheats, loses power or the code comes with an alarm.

Check first

  1. Park on level ground, lower the lift arms and attachment to the ground, stop the engine and remove the key.
  2. Check the rear lights and replace any failed lamp.
  3. Inspect the connector and wiring at the rear light.
  4. Restart and see if the code comes back. If it does, stop and call your Bobcat dealer.

Likely causes

  • Burned-out rear light
  • Unplugged or corroded light connector
  • Broken wire

The fix

A new lamp or a repaired connector fixes it. Don't work in the dark without working rear lights.

Different code on your screen? Snap the display and Mechy reads it.

Questions

What does Bobcat code M5107 mean?

Rear light output open circuit. The controller sees an open circuit in the rear light output.

Can I keep running with M5107?

Usually, if the machine runs normally: finish the job carefully and fix it soon. Stop if the machine derates, overheats, loses power or the code comes with an alarm.

How do I fix Bobcat code M5107?

A new lamp or a repaired connector fixes it. Don't work in the dark without working rear lights.

Sources

  1. Bobcat Company, Diagnostic Service Codes list (fault codes PDF, 2020)
  2. Bobcat T450 Operation & Maintenance Manual 7250077 (2018), Diagnostic Service Codes
  3. BigRentz, Full List of Bobcat Fault Codes (searchable table)

Code meanings vary by model, serial range and software. Confirm with your operator's manual or Bobcat dealer before replacing parts.

Snap the display and Mechy reads the code

Take a photo of the screen and the machine, say what it is doing, and get the checks and the fix as steps with moving drawings.

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