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Code p07a3, transmission issue, Jerky between second to third to fourth gear?

Tiny
BHAMDOC1973
  • MEMBER
  • 2013 FORD FOCUS
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 159,000 MILES
Jerky between 2nd to 3rd ir 4th gear, once u pass 45mph its great. Replaced the actuator under air-box cause that's the code I had, p07a3 now code is still pending. Could that be a fluid issue? I turned the actuator with a screwdriver 14 times and dis coke back quickly. Sprayed cleaner in there still same. I did not do anything with the actuator below.
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Friday, August 11th, 2023 AT 10:35 AM

13 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
A P07A3 is usually caused by a malfunctioning clutch actuator or faulty clutch actuator fork. The TCM can also cause this.

Check out the images (below). Please let us know what you find.
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Friday, August 11th, 2023 AT 4:26 PM
Tiny
BHAMDOC1973
  • MEMBER
  • 1,656 POSTS
Yes, that's the one, it's the dual clutch transmission.
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Friday, August 11th, 2023 AT 4:33 PM
Tiny
BHAMDOC1973
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  • 1,656 POSTS
Do you have any pictures of the sensor and where it's located as in the picture?
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Friday, August 11th, 2023 AT 4:59 PM
Tiny
BHAMDOC1973
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  • 1,656 POSTS
But when I searched for this sensor it says everywhere that it's a code starting with 8, like p0871.
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Friday, August 11th, 2023 AT 5:01 PM
Tiny
BHAMDOC1973
  • MEMBER
  • 1,656 POSTS
But when looking at my code online it says Friction element A stuck on.
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Friday, August 11th, 2023 AT 5:02 PM
Tiny
KEN L
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Is this the same car you did the shift actuators? If so, it sounds like the clutch is bad or the clutch forks are not returning?
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Saturday, August 12th, 2023 AT 9:55 AM
Tiny
BHAMDOC1973
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  • 1,656 POSTS
I turned it with a screwdriver, and it did return like it should. Yes, I changed one actuator under the airbox.
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Saturday, August 12th, 2023 AT 10:05 AM
Tiny
BHAMDOC1973
  • MEMBER
  • 1,656 POSTS
Also, the actuator I bought was from Amazon. I bought one for the 16 Focus I have and it solved the issues.
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Saturday, August 12th, 2023 AT 5:06 PM
Tiny
BHAMDOC1973
  • MEMBER
  • 1,656 POSTS
While doing transmission adaptive learning I got this.
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Monday, August 14th, 2023 AT 12:02 PM
Tiny
BHAMDOC1973
  • MEMBER
  • 1,656 POSTS
Changed transmission fluid and the actuator on bottom now it won't go into reverse.
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Monday, August 14th, 2023 AT 12:11 PM
Tiny
KEN L
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Did you change the actuator on top? Also, I have seen the TCM go out and cause this as well. This is common. Here is how to change out the TCM. Check out the images (below). Please let us know what you find.
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Wednesday, August 16th, 2023 AT 10:51 AM
Tiny
BHAMDOC1973
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  • 1,656 POSTS
I replaced the top one. Don't know if TCM us bad.
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Wednesday, August 16th, 2023 AT 10:56 AM
Tiny
KEN L
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It sounds like the TCM is bad.
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Thursday, August 17th, 2023 AT 10:01 AM

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