KUBOTA-U0140 moderate Kubota ›

Lost Communication with Body Control Module

The KUBOTA-U0140 (Kubota) diesel fault code means: Lost Communication with Body Control Module. 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
intermediate
Estimated cost
$40-$200 connector, $400-$900 BCM

What Are the Symptoms of KUBOTA-U0140?

  • Lights or accessory glitches
  • Cluster fault

What Causes KUBOTA-U0140? (Most Likely First)

  • BCM connector corrosion Likely

Can I Still Drive with KUBOTA-U0140?

Yes, but fix soon. KUBOTA-U0140 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 Kubota code U0140?

Kubota U0140 means: Lost Communication with Body Control Module. Moderate code -- address promptly to avoid inducement / further damage.

Can I keep using my Kubota with U0140?

Moderate fault -- you can usually finish the job but plan repair soon. Use Kubota Diagmaster software (dealer tool) for full diagnostics.

How much does U0140 cost to fix on a Kubota?

Repair cost range: $40-$200 connector, $400-$900 BCM. Compact-tractor labor is typically $110-$150/hr in 2026.

Mechanics Guide Step-by-step diagnosis

How Do You Diagnose KUBOTA-U0140?

  1. Reseat BCM connector.

  2. Check fuses.

U0140 on Other Platforms

The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown:

Gas / Automotive (OBD-II) Generic OBD-II definition for U0140 Duramax moderate Lost Communication with Body Control Module

Which Vehicles Commonly Get KUBOTA-U0140?

  • Kubota M4-071 / M4-072 utility tractors
  • Kubota M5-091 / M5-111 utility tractors
  • Kubota M6S-111 tractors
  • Kubota M7-132 / M7-152 / M7-172 premium tractors
  • Kubota MX4800 / MX5400 / MX5800 / MX6000 utility tractors

Explore More

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

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