ok i know it is trnas related and i know it has to do with the TCC system but other then that alldata and gool fail


so let me know what this is so i can fix it it's been coming on for a bought a year now

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92 LeBaron Convert: Turbo 3L 97 Grand Prix GT 4dr "Frankenstein": L67 4t65 swap
97 Grand Marquis: Summer DD 99 Grand Prix GTP: Top Swap Beater

I searched my online websites I usually use and that code does not show on any of them. Whats the car doing?

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Modded Like a Mother Fu**er and still gets 20+ mpg and runs 14's

Is is possibly P0741 instead?

maybe it hasn't tripped since the last time i deleted it




nothing that i have noticed started abought 4 months after my trans rebuild and top swap

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92 LeBaron Convert: Turbo 3L 97 Grand Prix GT 4dr "Frankenstein": L67 4t65 swap
97 Grand Marquis: Summer DD 99 Grand Prix GTP: Top Swap Beater

Circuit Description

The PCM controls the torque converter clutch pulse width modulation (TCC PWM) solenoid valve. The solenoid controls the hydraulic fluid for TCC apply and release. When the TCC is fully applied, the engine is coupled directly to the transmission through the TCC.

The TCC used is an electronically controlled capacity clutch (ECCC). The PCM will normally allow a small amount of slip to occur with the ECCC. When the TCC is engaged, TCC slip speed is maintained at approximately 20 to 50 RPM.

If the PCM detects high torque converter slip when the TCC is commanded ON, then DTC P0741 sets. DTC P0741 is a type B DTC.

Conditions for Running the DTC

No TP sensor DTC P0121, P0122 or P0123.
No VSS DTC P0502 or P0503.
No AT ISS sensor DTC P0716 or P0717.
No TCC stuck ON DTC P0742.
No TFP manual valve position switch DTC P1810.
No TCC PWM solenoid valve DTC P1860.
No TCC release switch DTC P1887.
The engine speed is greater than 500 RPM for 5 seconds and not in fuel shut off.
The transmission gear range is D4, D3 or D2.
The time since the last gear range change is greater than 6 seconds.
The transmission fluid temperature is 20-130°C (68-266°F).
The TP angle is 4-35%.
The TCC PWM solenoid valve is commanded ON for more than 0.5 seconds.
Conditions for Setting the DTC

The following conditions exist for 2 times during the same ignition cycle:

The TCC duty cycle is greater than 50%.
The TCC slip speed is greater than 180 RPM for 7 seconds.
Action Taken When the DTC Sets

The PCM illuminates the malfunction indicator lamp (MIL) during the second consecutive trip in which the Conditions for Setting the DTC are met.
The PCM inhibits TCC.
The PCM inhibits 4th gear if the transmission is in Hot Mode.
The PCM freezes shift adapts.
The PCM records the operating conditions when the Conditions for Setting the DTC are met. The PCM stores this information as Freeze Frame and Failure Records.
The PCM stores DTC P0741 in PCM history during the second consecutive trip in which the Conditions for Setting the DTC are met.
Conditions for Clearing the MIL/DTC

The PCM turns OFF the MIL during the third consecutive trip in which the diagnostic test runs and passes.
A scan tool can clear the MIL/DTC.
The PCM clears the DTC from PCM history if the vehicle completes 40 warm-up cycles without an emission-related diagnostic fault occurring.
The PCM cancels the DTC default actions when the ignition switch is OFF long enough in order to power down the PCM.

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hmm looks like i need to look at the freeze frame.

what could possibly couse this? non-stock TC? i have a ZZP 2500 stall speed

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92 LeBaron Convert: Turbo 3L 97 Grand Prix GT 4dr "Frankenstein": L67 4t65 swap
97 Grand Marquis: Summer DD 99 Grand Prix GTP: Top Swap Beater

so any idea on whats cousing this? T/C? valve body? both?

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92 LeBaron Convert: Turbo 3L 97 Grand Prix GT 4dr "Frankenstein": L67 4t65 swap
97 Grand Marquis: Summer DD 99 Grand Prix GTP: Top Swap Beater

Uhm we've got a shop in Sterling Heights with a scanner, I can check it for you if you wanna come out here.

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Watch your thoughts; they become words
Watch your words; they become actions
Watch your actions; they become habits
Watch your habits; they become character
Watch your character; it becomes your destiny

thanks for the offer but thats like 2 and half hours away

i will try and get a snap shot from a tech II

what infor would you need for a proper diagnosis?

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92 LeBaron Convert: Turbo 3L 97 Grand Prix GT 4dr "Frankenstein": L67 4t65 swap
97 Grand Marquis: Summer DD 99 Grand Prix GTP: Top Swap Beater