P0748

2017-10-10

Description:

  • The fault code P0748 indicates that there is an issue with the electrical circuit that controls the pressure control solenoid for shift solenoid valve SL2. This can cause transmission problems such as harsh shifting or failure to shift into certain gears.

Possible Symptoms:

  • Harsh shifting

  • Failure to shift into certain gears

  • Transmission slipping or delayed engagement

  • Illuminated check engine light

Possible Causes:

  • Failed pressure control solenoid

  • Faulty wiring or connections in the circuit

  • Loose or corroded electrical connections

  • 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:

  • Replace the pressure control solenoid

  • Check and repair any damaged wiring or connections

  • Tighten or clean any loose or corroded electrical connections

  • Replace the transmission control module (TCM) if necessary

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