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Crankshaft position sensor is bad. It is part of the generator stator assy, find no. 2. You have to remove the back cover off the engine to replace the stator/sensor assembly. Make sure you get the one for your year. Pre 2019 had three electrical plugs on it and then it transitioned to four electrical plugs. Pre-19 generator assy shown below.

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Discussion Starter · #3 ·
Crankshaft position sensor is bad. It is part of the generator stator assy, find no. 2. You have to remove the back cover off the engine to replace the stator/sensor assembly. Make sure you get the one for your year. Pre 2019 had three electrical plugs on it and then it transitioned to four electrical plugs. Pre-19 generator assy shown below.

View attachment 119733
the sxs start and idle fine but it wont launch and its stuck in gear it wont go in to reverse or nuetral
 

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Roger that. I did not notice the SH in front of the code and did not realize you were in an SS. Good luck.
 

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A lot of times this code is caused by a bad starter relay. When you turn the key the computer thinks the motor is turning but it is not because of the starter relay so it thinks it should be getting a signal from the crank sensor so it throws that 12 code. That is why it will start and run when you jump it at the solenoid.
 

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Discussion Starter · #7 ·
Ok but why wont it change gear and it wont launch its in first gear but wont go forward thank you gor the reply
 
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