P051D
Crankcase Pressure Sensor A Circuit High
P051D is an OBD-II diagnostic trouble code meaning: Crankcase Pressure Sensor A Circuit High. Common causes: crankcase pressure sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Reduced engine power
- Increased oil consumption
- Unstable engine operation at idle
Causes
- Crankcase pressure sensor malfunction
- Open or short circuit in wiring harness
- Increased crankcase pressure due to engine wear
- Dirty or clogged crankcase ventilation system
How to Fix
- Check the integrity of the wiring harness and sensor connections
- Check the crankcase pressure sensor readings using a diagnostic scanner
- Replace crankcase pressure sensor if necessary
- Check the crankcase ventilation system for blockages
- If the pressure in the crankcase is high, perform engine diagnostics
Related codes
Error P051D by Vehicle Brand
FAQ
What does the P051D code mean?
P051D is an OBD-II diagnostic trouble code that indicates: Crankcase Pressure Sensor A Circuit High
What causes a P051D error code?
The most common causes of P051D include: Crankcase pressure sensor malfunction; Open or short circuit in wiring harness; Increased crankcase pressure due to engine wear; Dirty or clogged crankcase ventilation system.
How do I fix a P051D diagnostic trouble code?
To fix P051D: Check the integrity of the wiring harness and sensor connections. Check the crankcase pressure sensor readings using a diagnostic scanner. Replace crankcase pressure sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P051D?
Limited driving only, diagnose soon
How much does it cost to fix P051D?
The estimated repair cost for P051D is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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