Crankshaft Position Sensor Circuit
The YANMAR-P0335 (Yanmar) diesel fault code means: Crankshaft Position Sensor Circuit. This is a serious severity code.
- Keep driving?
- No -- stop driving
- DIY difficulty
- intermediate
- Estimated cost
- $100-$400
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Common Symptoms
- No start / intermittent stall
Probable Causes (Ranked by Likelihood)
- Failed CKP sensor Likely
- Damaged reluctor tone ring Less Likely
Step-by-Step Diagnostic Procedure
Scan live engine RPM during crank.
Measure sensor AC voltage during crank (0.3-1.0 VAC).
Frequently Asked Questions
What is Yanmar code P0335?
Yanmar P0335: Crankshaft Position Sensor Circuit. This code is reported on Yanmar equipment running the described engine family.
Can I keep working with Yanmar code P0335?
Do not continue operating. Risk of engine damage or unsafe shutdown.
How much does Yanmar P0335 cost to fix?
Typical repair cost: $100-$400. Off-road diesel shop labor runs $125-$175/hr in 2026. Dealer diagnostic software (Yanmar SmartAssist / YDT) is usually required.
P0335 on Other Platforms
The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown:
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