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.

Unverified. We could not confirm this code's definition against freely available manufacturer documentation, so treat the meaning, severity and fix guidance on this page as unconfirmed. Check it against the manufacturer's service information for your exact model and serial range before acting on it. This page is kept out of search engines for that reason, and we are working through this family manual by manual.

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

What Are the Symptoms of BOBCAT-M0309?

  • Flashing regen lamp on cluster
  • Machine still operates

What Causes BOBCAT-M0309? (Most Likely First)

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

Can I Still Drive with BOBCAT-M0309?

Yes, but fix soon. BOBCAT-M0309 is rated moderate severity. It is not an immediate stop-driving fault, but it will not clear itself — book the repair rather than ignoring it.

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

How Do You Diagnose BOBCAT-M0309?

  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.

Which Vehicles Commonly Get BOBCAT-M0309?

  • 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)

Explore More

Was this helpful?

Send this to whoever is fixing the truck — your tech, or the person asking what the fault means.