P1860 TCC PWM Solenoid Circuit Electrical
Torque Converter Control Solenoid.. It controls the lockup clutch in the torque converter. When it malfunctions the clutch can fail to engage or disengage properly causing shuddering at speed and stalling at idle. It is found inside the transmission as part of the valve body.
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Saturday, February 21st, 2009 AT 12:39 AM