OBD II Fault Code

  • OBD II P2728

    OBD-II Code Transmission may not shift properly is defined as a Pressure Control Solenoid "E" Control Circuit Range/Performance

    The Transmission Control Module (TCM) uses Clutch Pressure Control Solenoids to control the hydraulic pressure in the transmission in order to apply the various clutch packs in the transmission to activate the different gears needed to efficiently propel the vehicle down the roadways. When the TCM detects the solenoids are not electrically capable of performing, code P2728 will set.

    Transmission may not shift properly Symptoms

    • Increased fuel consumption
    • Transmission may not shift properly

    Common Problems That Trigger the P2728 Code

    • Transmission Control Module (TCM) failure
    • Transmission fluid level is low
    • Transmission shift solenoid failure
    • Wiring issue

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