Chrysler PT Cruiser 2001 Service Manual Supplement page 2811

P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT —
TEST
3 Ignition on, engine not running.
With the DRB, Read and record Transmission DTC's. After recording DTC's, erase
DTC's.
Drive the vehicle until it is fully warmed up. (At least 110 degrees)
Perform the following step 3 times.
Drive the vehicle at 50 MPH and allow 4th gear to engage for at least 10 seconds.
Close the throttle, then tip back in until the throttle angle is between 25 and 29
degrees. Note that if you go over 30 degrees, you must back off of the throttle and
retry.
Did the TCC engage during any of the attempts?
Yes → Go To 4
→ Go To 5
No
4 The conditions necessary to set the DTC are not present at this time. Using the
schematics as a guide, inspect the wiring and connectors specific to this circuit.
Wiggle the wires while checking for shorts and open circuits.
This DTC can also be set under extreme temperature conditions, this is usually
caused by an internal problem. Ask the customer if the problem is only experienced
under extreme hot or cold conditions.
Were any problems found?
Yes → Repair as necessary.
→ Test Complete.
No
5 The transmission must be hot to accurately check the oil level.
Check the transmission fluid level per the service instructions.
Is the fluid level OK?
Yes → Go To 6
→ Adjust fluid level. Repair cause of incorrect fluid level.
No
6 If there are no possible causes remaining, repair the transmission.
Inspect the Valve Body per service manual instructions and replace if necessary. If no
problems are found in the Valve Body, replace the Solenoid/Presssure switch
assembly. Replace the Torque Converter in either case.
View repair options.
Repair
ACTION
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
Repair internal transmission problem as necessary.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
63
TRANSMISSION
Continued
APPLICABILITY
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All
All
All