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As a test, you can swap the ISS (Input Speed Sensor) with the OSS (Output Speed Sensor). If the fault moves from OSS to ISS you have a bad sensor. If the fault remains the OSS you may need to look at the OSS wiring.



From what I remember that wont work as the threads are different on them. But what trans do you have the 46RE or is it a Hemi with the 45RFE ? The 46RE has a speed sensor in the overdrive housing thats just for the gov so the PCM knows the driveshaft road speed and it usually will shift funny when it goes bad since the PCM calculates gov pressure by it. The 46RE has no input sensor as it just controls gov pressure electronically. If its the 45RFE then it uses the input and output sensors so the controller knows the input shaft speed and the output shaft speed to control the solenoids for the electronic shift opperation as it needs to know eng rpm and input shaft speed rpm to calculte it with output shaft rpm to know when to shift. Ron