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P27C1 Powertrain

Pressure Control Solenoid P Performance/Stuck Off

Pressure control solenoid P is commanded on but does not produce the expected pressure.

Affected components

  • Pressure control solenoid p
  • Valve body

Common causes

  • High likelihood: Solenoid spool stuck in closed position
  • Medium likelihood: Hydraulic feed restricted by debris
  • Low likelihood: Carbon or debris buildup preventing free movement

Diagnostic notes

  • The malfunction indicator lamp may illuminate

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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