Crankshaft Position Sensor Circuit Malfunction
The BOBCAT-P0335 (Bobcat) diesel fault code means: Crankshaft Position Sensor Circuit Malfunction. This is a serious severity code.
- Keep driving?
- No -- stop driving
- DIY difficulty
- intermediate
- Estimated cost
- $90-$400
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).
Check Price on AmazonAffiliate link -- we earn a commission at no extra cost to you.
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.
Check Price on AmazonAffiliate link -- we earn a commission at no extra cost to you.
Common Symptoms
- No start or stalls when hot
- Tach reads zero during cranking
Probable Causes (Ranked by Likelihood)
- Failed CKP sensor (heat/vibration damage) Likely
- Broken wire at sensor pigtail Likely
- Reluctor wheel damage from starter engagement Less Likely
Step-by-Step Diagnostic Procedure
Scan live RPM signal during crank.
Measure sensor AC voltage during crank -- should see 0.3-1.0 VAC.
Inspect harness routing near starter and flywheel.
Frequently Asked Questions
What is Bobcat code P0335?
Bobcat P0335: Crankshaft Position Sensor Circuit Malfunction. This code is reported on Bobcat equipment running the described engine family.
Can I keep working with Bobcat code P0335?
Do not continue operating. Risk of engine damage or unsafe shutdown.
How much does Bobcat P0335 cost to fix?
Typical repair cost: $90-$400. Off-road diesel shop labor runs $125-$175/hr in 2026. Dealer diagnostic software (Bobcat Service Analyzer) 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: