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Our automotive experts have put together the following information about the P0749 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P0749 code.

OBD II Fault Code

  • OBD II P0749

    OBD-II Code Transmission may not shift properly is defined as a Pressure Control Solenoid "A" Intermittent

    The Transmission Control Module (TCM) uses Pressure Control Solenoids to control the hydraulic pressure in the transmission which is needed to apply the various clutch packs in the transmission that provide the different gear ratios needed to efficiently propel the vehicle down the roadways. When the TCM detects a pressure control solenoid is not performing as desired, it will set code P0749.

    Transmission may not shift properly Symptoms

    • Increased fuel consumption
    • Transmission may not shift properly

    Common Problems That Trigger the P0749 Code

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