Honda P1259 Error Code: How to Fix It

Q: Can I drive my Honda with P1259 error code?

You can drive short distances at low RPM, but avoid high-RPM driving and aggressive acceleration. The VTEC system won't engage properly, which can cause engine damage if driven hard. Get it repaired as soon as possible.

Q: What causes Honda P1259 error code?

Common causes include a faulty VTEC oil pressure switch, contaminated engine oil, clogged oil passages in the VTEC system, damaged wiring to the pressure switch, or a malfunctioning VTEC solenoid valve.

Q: How much does it cost to fix P1259 on a Honda?

DIY repair costs $50-150 for parts (oil pressure switch, oil change). Professional repair typically costs $200-500 depending on the root cause and labor rates in your area.

Q: Will P1259 cause my Honda to fail emissions testing?

Yes, P1259 will likely cause your vehicle to fail emissions testing since it's a powertrain-related code that affects engine performance. The code must be resolved and the readiness monitors completed before testing.

Abstract

Honda error code P1259 indicates the VTEC oil pressure switch is reading high voltage, which prevents the VTEC system from operating properly. This can cause reduced engine performance, poor acceleration, and potential engine damage if left unrepaired.