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P2B57 Powertrain

Low Engine Oil Pressure - Camshaft Control Disabled

Engine oil pressure has fallen below the threshold required for hydraulic camshaft phasing. The ECM disables variable cam control to protect the actuator and lifters.

Affected components

  • Engine oil pressure sensor
  • Engine oil pump
  • Vvt actuator

Common causes

  • High likelihood: Engine oil level low
  • Medium likelihood: Oil pump worn or pressure relief stuck open

Diagnostic notes

  • The malfunction indicator lamp may illuminate
  • Reduced-power or limp mode may occur

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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