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)
Built for Diesel — Not a Car Reader
ANCEL HD7000 Heavy-Duty Diesel Scanner

A $30 car code reader can't do diesel. The HD7000 reads full-system codes and does parked DPF regen, idle/speed-limit, and service resets from the cab — on everything from a 6.7 Cummins/Power Stroke/Duramax pickup to Class-8 trucks (Detroit, Paccar, CAT, Volvo, Mack, International).

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Lower-Cost Diesel Option
FOXWELL HD301 Diesel Truck Scanner

Full-system 6/9/16-pin diesel scan tool for Cummins, Paccar, CAT, Detroit and more — plug-and-play, no subscription. A cheaper way to read heavy-duty codes a basic OBD2 scanner skips entirely.

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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

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.

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?

Typical 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.

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