Camshaft Position Sensor A Circuit
The KUBOTA-P0340 (Kubota) diesel fault code means: Camshaft Position Sensor A Circuit. This is a serious severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- intermediate
- Estimated cost
- $80-$250 sensor
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Common Symptoms
- Extended crank
- Starts, then dies
Probable Causes (Ranked by Likelihood)
- CMP connector corrosion Likely
- Failed CMP sensor Likely
Step-by-Step Diagnostic Procedure
Wiggle-test CMP connector while cranking.
Oscilloscope CMP signal.
Frequently Asked Questions
What is Kubota code P0340?
Kubota P0340 means: Camshaft Position Sensor A Circuit. Serious code -- address promptly to avoid inducement / further damage.
Can I keep using my Kubota with P0340?
Serious fault -- you can move the machine to a shop but don't run it under load. Use Kubota Diagmaster software (dealer tool) for full diagnostics.
How much does P0340 cost to fix on a Kubota?
Repair cost range: $80-$250 sensor. Compact-tractor labor is typically $110-$150/hr in 2026.
P0340 on Other Platforms
The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown: