Engine-Codes - Isuzu - P1253 ISUZU

P1253 ISUZU - VTEC System Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P1253 ISUZU Possible Causes

  • Engine oil level low
  • Low engine oil pressure
  • Blocked oil passage
  • Faulty VCT oil control valve

How is the P1253 ISUZU code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Tech Notes

If the P1253 is present, start by checking the engine oil level and condition. Change engine oil and filter if necessary with factory recommended oil weight.

What is the cost to diagnose the P1253 ISUZU code

Labor: 1.0

The cost to diagnose the P1253 ISUZU code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1253 ISUZU Meaning

The VTEC system, in conjunction with the Engine Control Module (ECM), activates the VTEC solenoid valve to control oil pressure to the VTEC mechanism that is installed in the valve system to switch valve timing between Low and High. If the VTEC solenoid valve has an open or short circuit, a DTC is stored.

More Information

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