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Bobcat · Electrical

Bobcat code M2302: Starter relay error ON

What it means

The opposite of M2303: the controller sees the starter relay circuit on when it should be off.

Can I keep running?

Stop: fix before running

No. Stop the machine safely (bucket or attachment down, engine off) and find the cause before you run it again.

Check first

  1. Park on level ground, lower the lift arms and attachment to the ground, stop the engine and remove the key.
  2. If the starter keeps running after you turn the key off, disconnect the battery negative cable.
  3. Check the fuses and relays for that circuit using the fuse decal or the O&M manual.
  4. Check that the starter relay is the correct part and fully seated.
  5. Inspect the starter relay wiring for chafing or water in connectors.
  6. Don't keep cranking or running. Call your dealer if the code returns.

Likely causes

  • Starter relay stuck closed
  • Short to battery voltage in the starter relay wiring
  • Water in a connector

The fix

Replacing a stuck relay or repairing shorted wiring is the usual fix. A starter that stays energized can overheat, so get it fixed before you use the machine.

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

Questions

What does Bobcat code M2302 mean?

Starter relay error ON. The opposite of M2303: the controller sees the starter relay circuit on when it should be off.

Can I keep running with M2302?

No. Stop the machine safely (bucket or attachment down, engine off) and find the cause before you run it again.

How do I fix Bobcat code M2302?

Replacing a stuck relay or repairing shorted wiring is the usual fix. A starter that stays energized can overheat, so get it fixed before you use the machine.

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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