BOBCAT-M0309 moderate Bobcat ›

Bobcat DPF Regen Pending - Operator Action Required

The BOBCAT-M0309 (Bobcat) diesel fault code means: Bobcat DPF Regen Pending - Operator Action Required. This is a moderate severity code.

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Keep driving?
Yes, but fix soon
DIY difficulty
beginner
Estimated cost
$0 (operator-initiated)
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Common Symptoms

  • Flashing regen lamp on cluster
  • Machine still operates

Probable Causes (Ranked by Likelihood)

  • Soot load exceeded 80% -- regen needed Very Likely
  • Short-duty cycle (idle/start/stop skid-steer use) Likely

Frequently Asked Questions

What is Bobcat code M0309?

Bobcat M0309: Bobcat DPF Regen Pending - Operator Action Required. This code is reported on Bobcat equipment running the described engine family.

Can I keep working with Bobcat code M0309?

Usually drivable short-term, but fix soon to avoid derate or DPF issues.

How much does Bobcat M0309 cost to fix?

Estimated repair cost: $0 (operator-initiated). Off-road diesel shop labor runs $125-$175/hr in 2026. Dealer diagnostic software (Bobcat Service Analyzer) is usually required.

Mechanics Guide Step-by-step diagnosis

Step-by-Step Diagnostic Procedure

  1. Park in safe area away from combustibles, allow automatic regen to complete.

  2. If operator repeatedly cancels, initiate parked regen via switch or Service Analyzer.

Commonly Affected Vehicles

  • Bobcat S650 skid steer loader (Kubota V3800)
  • Bobcat S740 / S750 / S770 / S850 skid steer loaders (Kubota V3800)
  • Bobcat T650 / T750 / T770 / T870 compact track loaders (Kubota V3800)
  • Bobcat E50 / E55 / E60 / E85 mini excavators (Kubota V3800)
  • Bobcat UW56 utility vehicle (Kubota V3800)

Related Codes

BOBCAT-M0307BOBCAT-P2002

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More Bobcat codes → Diesel home All diesel codes Heavy-duty Guides

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