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P2757 DODGE

P2757 DODGE - Torque Converter Clutch Pressure Control Solenoid Control Circuit Performance/Stuck Off

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Dirty transmission fluid
  • Faulty line pressure solenoid valve SLU
  • Line pressure solenoid valve SLU harness is open or shorted
  • Line pressure solenoid valve SLU circuit poor electrical connection
  • Torque converter clutch
  • Valve body is blocked
  • Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • P2757 Dodge Description

    The torque converter clutch solenoid valve is activated, with the gear in D4, by the Transmission Control Module (TCM) in response to signals sent from the vehicle speed and the Engine Control Module (ECM). Lock-up piston operation will then be controlled. When the torque converter clutch solenoid valve is activated, the torque converter lockup clutch will engage creating a 1 to 1 RPM ratio between the transmission input shaft and the rotational speed of the torque converter.

    Lock-up operation, however, is prohibited when A/T fluid temperature is too low.

    When the accelerator pedal is depressed (less than 2/8) in lock-up condition, the engine speed should not change abruptly. If there is a big jump in engine speed, there is no lock-up.

    OBDII Code P2757 Dodge - Torque Converter Clutch Pressure Control Solenoid Control Circuit Performance/Stuck Off - AutoCodes.com

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