P3497 - OBD II Trouble Code

January 31, 2017

Our automotive experts have put together the following information about the P3497 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P3497 code.

What Does P3497 Code Mean?

OBD-II Code P3497 is defined as a Cylinder Deactivation System

In an effort to meet fuel and emissions standards, many manufacturers are utilizing cylinder deactivation systems. This system allows the engine's control module (PCM) to disable select cylinders when additional power is not needed from the engine, such as at idle or when cruising on the highway. If the engine's control module (PCM) determines that there is a fault in the Cylinder Deactivation System, the PCM will set code P3497.

P3497 Symptoms

  • Decreased engine performance
  • Increased fuel consumption

Common Problems That Trigger the P3497 Code

  • Engine oil level is too low
  • Powertrain Control Module (PCM) failure
  • Variable valve timing solenoid failure
  • Wiring issue

About the Author

Brad Kava is an automotive expert at RepairPal, the leading online source of auto repair resources and estimates. With many ASE Master certified mechanics on staff who have decades of experience, RepairPal knows all the fine points of car repair.

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