Hey, I'm new to this but I'll try to put as much detail as possible...
So I have owned this car for 10 years, second owner... had problems with the original motor for a oil consumption... blah blah blah. Blew the motor and swapped it last year. Cars been a dream minus a few hiccups since the new motor but this ones new to me.

Alright, gas mileage was horrible since I swapped the motor, it ran a little weird but I figured over time it would even itself out. Long story short .. last week it started funny (it's been colder, so I figured that could be the problem) I drove it to the gas station, turned it off and again it started really weird... got to work and as soon as I got there I turned it off and started it again... another strange start, this time it threw some lights on the dash...sh awd, hill assist, emmisions system, vsa, abs.... all the same codes i got when I blew the motor and the steering wheel was locked. Turned the car off, turned it back on... most of those were gone but I still had a check engine light... plugged in my handy obd, po339 came up. (Crankshaft position sensor)
Drove it straight home, bought the part a few days later and swapped it. Go to start the car boom she fires up and everything seems perfect, easy quick 50 dollar fix right?
Drove it around for 15 minutes all checked out and she was running so nice!!!
Next day I go to get in the car and decide ill go on a little bit of a longer road trip... got about 15 minutes away and car stutters, christmas tree and Immediately into limp mode. I stop, plug the obd in and it's now sending me a code for po335...
Alright maybe i cheaped out and got the crappy sensor and my car doesn't like it, next day i go to lordco get the Beck brand... 3 times the price, same procedure... plug it in and the car does not want to start now... hook up the voltage meter cars cranking at 10.5v must be the battery now.
Next day replace the battery.... well it starts (after several attempts) but now it's again a damn christmas tree and the steering wheel is stuck.
Checked my fuses all good... checked the ohms reading on both sensors (Chinese brand and beck brand) both reading good... check the ohms on my old sensor not good.... what is happening?
I am so beyond frustrated right now... if anyone has gone through this or can help me it would be much appreciated. Love this car but when it comes to electronics and the motors woof...
I'd be happy to share pictures or videos if needed, thank you.

 

I'm no expert when it comes to this stuff but I've done a motor swap for a C5 corvette before.

Maybe double check the grounds?

"For the 2012-2013 Acura TL 3.7L (J37A4), the crankshaft position sensor (CKP) grounds through ground point G101, which is shared by:

• CKP sensor
  
• CMP sensor
  
• ECM/PCM
  
• Ignition coils
  
• EGR valve
  
• Various solenoids
  

G101 is located on the engine and functions as the primary engine ground for these components, including your crankshaft position sensor circuit"

 

Funny I'm seeing this a year from when you posted it. I'm having the same issue did you find a fix? I replaced the sensor and it has trouble starting.