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P27DB Powertrain

Pressure Control Solenoid T Electrical

The TCM detects an electrical fault on transmission pressure control solenoid T. Hydraulic pressure cannot be modulated as expected, causing harsh or slipping shifts.

Affected components

  • Pressure control solenoid t
  • Tcm
  • Transmission wiring

Common causes

  • High likelihood: Internal solenoid fault
  • Medium likelihood: Wiring or connector fault

Diagnostic notes

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

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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