Hi - a few weeks ago I purchased a 1999 Jeep TJ with the 4L motor and 32RH 3 speed auto transmission. It had an error code P0743 when i bought it and I am now getting around to fixing it. Researching the code it says it is related to the torque converter clutch solenoid. The car shifts fine around town but doesn't appear to be locking the torque converter at highway speed (gas mileage is impacted).
I bought a new solenoid and installed it last night along with a new transmission filter and new ATF 4 fluid. I cleared the code before driving it, and the code came back as soon as I got on the interstate and got up to speed. Since the code came back I am now thinking it is a wiring or connector issue? I did notice that the fitting that passes through the transmission case that the solenoid plugs into inside the transmission was cracked and missing one side of the plastic connector. The 2 pins were still in place and the connector from the solenoid seemed to fit securely.
I've researched the fitting on this forum and I think it is part number 56038235, but when I search that part online it looks slightly different than the one on my jeep.
My part looks like this (not actually my part but found this on the forum - mine is broken on the opposite end)
When I search the part number 56038235 I see this
The end outside the transmission looks like it will work, but the end inside the transmission has a different style connector than my solenoid uses. Wondering if anyone has any idea where to buy the fitting that looks like mine? If it is no longer available I am considering buying the solenoid and fitting shown above and seeing if the solenoid will fit my valve body. The other option would be to splice the wire ends off of the solenoid shown above onto my new solenoid so it would fit the connector. If anyone has had any luck retrofitting parts to replace this fitting I would love to hear about it.
Also, is driving the jeep with this code likely to cause any damage to the transmission, or other issues besides low gas mileage.
Thanks!
I bought a new solenoid and installed it last night along with a new transmission filter and new ATF 4 fluid. I cleared the code before driving it, and the code came back as soon as I got on the interstate and got up to speed. Since the code came back I am now thinking it is a wiring or connector issue? I did notice that the fitting that passes through the transmission case that the solenoid plugs into inside the transmission was cracked and missing one side of the plastic connector. The 2 pins were still in place and the connector from the solenoid seemed to fit securely.
I've researched the fitting on this forum and I think it is part number 56038235, but when I search that part online it looks slightly different than the one on my jeep.
My part looks like this (not actually my part but found this on the forum - mine is broken on the opposite end)
When I search the part number 56038235 I see this
The end outside the transmission looks like it will work, but the end inside the transmission has a different style connector than my solenoid uses. Wondering if anyone has any idea where to buy the fitting that looks like mine? If it is no longer available I am considering buying the solenoid and fitting shown above and seeing if the solenoid will fit my valve body. The other option would be to splice the wire ends off of the solenoid shown above onto my new solenoid so it would fit the connector. If anyone has had any luck retrofitting parts to replace this fitting I would love to hear about it.
Also, is driving the jeep with this code likely to cause any damage to the transmission, or other issues besides low gas mileage.
Thanks!