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P3484 Powertrain

Cylinder Deactivation Solenoid Bank 2 Control Circuit Low

The engine control module has detected a low voltage condition at the bank 2 cylinder deactivation solenoid control circuit. A short to ground or low-side driver fault prevents proper actuation of the bank 2 deactivation hydraulic path.

Affected components

  • Cylinder deactivation solenoid
  • Engine wiring harness
  • Ecm

Common causes

  • High likelihood: Solenoid or wiring shorted to ground
  • Medium likelihood: ECM low-side driver failed
  • Low likelihood: Connector damage

Diagnostic notes

  • The malfunction indicator lamp may illuminate
  • This code can affect emissions
  • A drive cycle may be required after repair

Related codes

Sources

Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.

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