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Old 09-17-2021, 02:17 PM   #24
Join Date: Sep 2021
Default Similar engine/trans swap but trans not shifting past 2nd

I know this is an old thread but I have been in the process of restoring a 74 Bronco and have installed the 2000 Explorer 5.0 with 4R70W transmission using this thread as a guide for wiring. Thank you very much for the well documented swap into the Volvo! My issue is during my initial shakedown drive, the transmission initially shifted fine but now will not go past 2nd gear. I get a P0500 code, which is the vehicle speed sensor. I believe this is coming from not using the Explorer rear end, which has a speed sensor in the rear end for the anti-lock brakes. I've checked and even replaced the transmission tail shaft speed sensor, which I believe is used to control the transmission shifting through the ECU. Am I incorrect? Did you have any problems with the functionality of the transmission after installation in the Volvo? Any help would be appreciated.
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