Code P0750, the check engine light came on?

Tiny
GCORE
  • MEMBER
  • 2013 DODGE GRAND CARAVAN
  • 3.6L
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
After replacing the solenoids, I disconnected both the negative and positive battery terminals. Once the job was complete, I reconnected everything and started the car. It ran great, and I tested the manual gear selection, which had not worked previously, but now it did.

I took the car for a test drive, shifting smoothly through all gears, including 5th gear, with no issues. After returning home, I checked the transmission fluid, which appeared to be within the proper specifications according to the dipstick chart.

However, after pulling out of the driveway and shifting into park, the check engine light came on. Now, the same code and issue have returned, with the car not shifting out of first gear
Thursday, February 20th, 2025 AT 2:22 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 52,706 POSTS
Did you replace the transmission solenoid pressure/switch assembly? I have seen internal issue cause this code, or a corroded PCM electrical connector.

The P0750 trouble code refers to a Shift Solenoid "A" Malfunction.

How is the fluid condition is it burnt? Is this what you replaced with the pressure control solenoids? Check out the images (below).
Was this
answer
helpful?
Yes
No
Friday, February 21st, 2025 AT 9:56 AM
Tiny
GCORE
  • MEMBER
  • 2 POSTS
Yes the fluid was burnt yes the pressure control solenoid is what I switched. Where you have to take the transmission valve body out and get the bolts from behind liking the picture. I had a video so you see how dirty the fluid was.
Was this
answer
helpful?
Yes
No
Friday, February 21st, 2025 AT 2:47 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 52,706 POSTS
Okay, so like I say this code can be caused by an internal problem inside the transmission. New fluid, you replace the part and the pressure control solenoid. Not much left that I know of.
Was this
answer
helpful?
Yes
No
Saturday, February 22nd, 2025 AT 11:59 AM

Please login or register to post a reply.