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Code P1740-Torque converter clutch did not lock up when the PCM sent the command. Enabling conditions: No engine or transmissions codes are present, vehicle speed was under 70 MPH, TPS was under 33% open. When the PCM commanded the torque converter to lock, no change was detected in engine speed. Blocking action: This code can block the following monitors: none.
Testing: Check torque converter solenoid for proper operation.
P1740 TCC O/D SOL PERFORMANCE
Theory of OperationThe Torque Converter Clutch (TCC) Solenoid is used to engage the TCC which improves fuel economy.
When MonitoredThe Torque Convector Clutch (TCC) and Overdrive Clutch (OD) will be tested each time the PCM requests TCC engagement in 3rd gear and OD.
Set ConditionThe DTC will set if the expected RPM drop is not achieved while attempting to engage TCC or OD. This indicates a malfunctioning torque convector or overdrive clutch.
* ENGINE DTCS PRESENT* TRANSMISSION DTCS PRESENT* TRANSMISSION TEMPERATURE TOO COLD* OIL PAN CONTAINS EXCESSIVE DEBRIS* 3-4 SHIFT SOLENOID* SHAFT OR SEAL DAMAGE* TCC SOLENOID* TORQUE CONVERTER
Let me know if i can help more!
Witch one do you have
i can look it up and see if there is any problems
Great thanks give me 5 minn ill see if there is any history on this
What are you noticing with this code?
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Here is the case #(NNN) NNN-NNNNput this in the subject line and give as much detail as possible with your problems. Im thinking there going to send a new 30404 unit.
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