P1381
Cylinder Position Sensor Intermittent Interruption
P1381 is an OBD-II diagnostic trouble code meaning: Cylinder Position Sensor Intermittent Interruption. Common causes: poor contact in the cylinder position sensor connector, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Unstable engine idling
- Power dips during acceleration
- Increased fuel consumption
- Difficulty starting the engine
- Check Engine Light Illuminates
Causes
- Poor contact in the cylinder position sensor connector
- Open or short circuit in the sensor circuit
- Malfunction of the cylinder position sensor itself
- Interference from other electronic components
- Problems with the wiring harness near the sensor
How to Fix
- Check the condition of the sensor connector and contacts
- Test sensor circuit integrity
- Check the sensor resistance (compare with standards)
- Replace cylinder position sensor if necessary
- Check and, if necessary, replace damaged wires
Related codes
Error P1381 by Vehicle Brand
FAQ
What does the P1381 code mean?
P1381 is an OBD-II diagnostic trouble code that indicates: Cylinder Position Sensor Intermittent Interruption
What causes a P1381 error code?
The most common causes of P1381 include: Poor contact in the cylinder position sensor connector; Open or short circuit in the sensor circuit; Malfunction of the cylinder position sensor itself; Interference from other electronic components.
How do I fix a P1381 diagnostic trouble code?
To fix P1381: Check the condition of the sensor connector and contacts. Test sensor circuit integrity. Check the sensor resistance (compare with standards). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1381?
Yes, but get it checked soon
How much does it cost to fix P1381?
The estimated repair cost for P1381 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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