Honda Error Code P1381: How to Fix It

Q: What causes Honda error code P1381?

P1381 is typically caused by a faulty cylinder position sensor, damaged wiring harness, loose electrical connections, or corrosion on sensor terminals. Intermittent signal interruption can also result from sensor mounting issues.

Q: Can I drive with Honda error code P1381?

While you may be able to drive short distances, P1381 can cause poor engine performance, rough idling, and potential engine damage. It's recommended to address this issue promptly to avoid further complications.

Q: How much does it cost to fix P1381 on a Honda?

DIY repair typically costs $50-150 for a replacement sensor. Professional repair ranges from $200-400 including parts and labor, depending on your Honda model and local labor rates.

Q: Will P1381 cause my Honda to fail emissions testing?

Yes, any active engine error code including P1381 will typically cause your vehicle to fail emissions testing. The code must be resolved and the system must complete its drive cycle before testing.

Q: How do I prevent P1381 from occurring again?

Regular maintenance including keeping engine bay clean and dry, using quality engine oil, and having periodic electrical system inspections can help prevent sensor failures. Address any oil leaks promptly as they can damage electrical components.

Abstract

Honda error code P1381 indicates an intermittent interruption in the cylinder position sensor signal. This sensor helps your engine's computer determine the exact position of each cylinder for proper timing and fuel injection. When it malfunctions, you may experience rough idling, poor acceleration, or engine stalling.