P0798

2017-10-10

Description:

  • The fault code P0798 indicates that there is an electrical issue found with the pressure control solenoid 'C'. This solenoid is responsible for regulating the hydraulic pressure inside the automatic transmission. The malfunctioning of this solenoid may prevent the vehicle from shifting gears properly or cause the transmission to slip.

Possible Symptoms:

  • Difficulty in shifting gears.

  • Slipping of transmission

  • Illuminated check engine light.

Possible Causes:

  • Damaged wiring or circuit problems in the pressure control solenoid 'C'

  • Failed electrical connection in the pressure control solenoid 'C'

  • Malfunctioning pressure control solenoid 'C'

  • Failed transmission control module (TCM)

Related Parts:

  • Pressure Control Solenoid: This solenoid regulates the oil flow in the transmission. Problems with this solenoid lead to engine misfire, poor fuel economy, poor acceleration

Possible Solutions:

  • Check and repair any damaged wiring or circuit issues in the pressure control solenoid 'C'

  • Inspect and repair any failed electrical connection in the pressure control solenoid 'C'

  • Replace the malfunctioning pressure control solenoid 'C'

  • Replace the transmission control module (TCM) if necessary.

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