Au7o mascotAu7o
Known IssuesGet Started
  1. Au7o
  2. /
  3. Known Issues
  4. /
  5. P1259
P1259ModerateEngine

P1259: VTEC System Malfunction (Honda)

1 vehicles · 1 makes · $30-$300 repair

Share:@au7o.io

P1259 is an OBD-II diagnostic trouble code meaning “VTEC System Malfunction (Honda).” Honda-specific code indicating the Variable Valve Timing and Lift Electronic Control (VTEC) system has a fault. This code appears across 1 vehicle models from 1 manufacturers, with repair costs ranging from $30 to $300.

On This Page

  • Common Causes
  • Repair Cost
  • Vehicles (1)
  • Related Codes
  • FAQ
Back to top

Common Causes

1Low oil pressure to VTEC solenoid
2Faulty VTEC solenoid
3Clogged oil passage
4Low oil level
5VTEC pressure switch fault

Typical Repair Cost

$30 - $300

Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.

Diagnostic Tools

To diagnose P1259, you'll need an OBD-II scanner. Here are our recommendations at every price point.

Budget Pick$10–$20

ANCEL AD310 Classic OBD-II Scanner

by ANCEL

A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).

  • Read & clear engine codes
  • View freeze frame data
  • I/M readiness status
  • No batteries or app needed
Check Price on Amazon
Best Value$90–$120

BlueDriver Pro Bluetooth Scanner

by BlueDriver

Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.

  • Enhanced diagnostics (ABS, SRS, transmission)
  • Repair Reports with verified fixes
  • Smog check readiness
  • Free app (iOS & Android)
Check Price on Amazon
Advanced$180–$230

LAUNCH CRP123X OBD-II Scanner

by LAUNCH

A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.

  • Engine, transmission, ABS, SRS diagnostics
  • Live data stream & graphing
  • AutoVIN for vehicle identification
  • Free lifetime updates via Wi-Fi
Check Price on Amazon
Professional$350–$450

Autel MaxiCOM MK808S Diagnostic Tool

by Autel

Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.

  • All-system diagnostics (25+ modules)
  • Bi-directional control & active tests
  • Oil reset, EPB, BMS, TPMS, injector coding
  • 7-inch touchscreen with Android OS
Check Price on Amazon

As an Amazon Associate, we earn from qualifying purchases. Prices are approximate and may vary.

Vehicles Affected (1)

PreludeModerate

VTEC Solenoid Gasket Oil Leak

1993-2001$30-$3000 reports

Related Codes (8)

002FManufacturer-Specific Diagnostic Code16566Mass Air Flow Sensor Signal Too Low (VAG)ECM-940AEngine Control Module Fault (Volvo)P0008Engine Position System Performance - Bank 1P0009Engine Position System Performance - Bank 2P0010Intake Camshaft Position Actuator Circuit (Bank 1)P0011Intake Camshaft Position Timing - Over-Advanced (Bank 1)P0012Intake Camshaft Position Timing - Over-Retarded (Bank 1)

FAQ

What does P1259 mean?

P1259 stands for "VTEC System Malfunction (Honda)." Honda-specific code indicating the Variable Valve Timing and Lift Electronic Control (VTEC) system has a fault.

What are the most common causes of P1259?

The most common causes of P1259 are: Low oil pressure to VTEC solenoid, Faulty VTEC solenoid, Clogged oil passage, Low oil level, VTEC pressure switch fault. The specific cause varies by vehicle.

How much does it cost to fix P1259?

Repair costs for P1259 range from $30 to $300, depending on the vehicle and root cause.

Which vehicles are affected by P1259?

Au7o has documented P1259 across 1 vehicle models from 1 manufacturers: Honda.

Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.

© 2026 Au7o. All rights reserved.