Trouble code PO740 has something to do with the TCC system but what is that
The common cause of this code is a shorted torque converter lock up clutch.
Torque converter clutch,inside torque converter.There is a solenoid or set of solonoids on side of trans. Filters may be clogged or could be internal t/Converter failure.Will cause engine rpms to be about 250 rpm high an loss of fuel consumption.Otherwise will still keep running
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