Po741 fault code - 2001 Cadillac DeVille

Google your OBD Codes

TYPE: OBD PO741

DO NOT USE ANY VEHICLE WITH TRANS PROBLEMS

Drive ten miles-- you can ruin the transmission & cost
you up to $4,000 to fix

Torque Converter Clutch Solenoid or circuit.

CODE PO741 - TCC SYSTEM STUCK OFF MECHANICAL CONDITIONS, POSSIBLE CAUSES, ATF LEVEL IS TOO LOW OR THE FLUID IS BURNT OR CONTAMINATED, INSPECT TRANSMISSION LINES TO RADIATOR FOR BENDS OR RESTRICTIONS, OIL PRESSURE SCREEN IS CLOGGED OR DEBRIS IN THE OIL PAN,TCC CONTROL VALVE IS STUCK OFF DUE TO SEDIMENT OR BINDING, TCC REGULATOR VALVE IS STUCK OFF DUE TO SEDIMENT OR BINDING, TCC FEED VALVE IS STUCK OFF DUE TO SEDIMENT OR BINDING, TCC SOLENOID VALVE O - RING OR TURBINE SHAFT SEALS LEAKING OR CUT.

code po741= Bad tcc solenoid, Good news is its a $30 part.....The bad news is you need to drop the transmission to fix it works about to about 13 hours of labor so around $2000 dollars hope this helps you out

P0741 Torque Converter Clutch Circuit Performance or Stuck Off

This means that the lock up Torque Converter is not locking up as it should at highway speed or 35 mph and up (I learned that figure in school for Oldsmobile automobiles).

It can lead to less fuel efficiency.

Hope this helps.

it could be wiring fault, check connections and for damaged or trappet wiring,or it can be torque convertor clutch solenoid

code po722 output speedsensor circuit malfunction.code po741 torque converter clutch circuit performance or stuck off.you can fix it if you have some basic mechanic skills.

change the air fow senser.

code = torque converter clutch circuit fault or stuck off. Get the car to a dealer - let him read fault memory and this may point to problem, or it may just be a random spike and he will reset.
I assume the car is running fine ? ........ good luck.