Easy Car Diagnostic (Breakdowns, Battery, Component wear & Pollution)

Buy the diagnostic tool


Download the mobile app

P1259 – All makes

Code : P1259
Make : All makes
Description : P1259 VTEC System Malfunction
Possible causes :
– Low engine oil level or oil pressure
– Faulty Variable Valve Timing and Lift Electronic Control (VTEC) solenoid
– VTEC Solenoid harness is open or shorted
– VTEC circuit poor electrical connection
– Faulty VTEC oil pressure switch
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top