Error code

OBD2 P3497

OBD2P3497
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Cylinder Deactivation System.

Severity

moderateCan be driven, but may experience reduced performance and increased fuel consumption.

Summary

P3497 indicates an issue with the cylinder deactivation system in Bank 2 of V6 or V8 engines. This code is set when one or more cylinders fail to shut down or reactivate as expected.

Symptoms

  • Engine misfire
  • Increased fuel consumption

Common Causes

  • Incorrect engine oil, including low levels or outdated oil
  • Malfunctioning pressure relief valves in the cylinder deactivation mechanism
  • Faulty oil pressure switches providing incorrect readings
  • Software programming error affecting engine control

Diagnosis

  1. Check oil level and quality
  2. Inspect pressure relief valves for malfunctions
  3. Test oil pressure switches

Fixes

  • Replace faulty parts such as the pressure relief valve or oil pressure switch

FAQ

What does P3497 mean?

It indicates a problem with the cylinder deactivation system in Bank 2 of V6 or V8 engines.

How can I fix P3497?

Check and replace faulty parts like pressure relief valves or oil pressure switches, and ensure correct engine oil usage.

View source

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.

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