Car shuts off when transmission is shifted into R or D, codes P0755, P0760 and P0765

Tiny
ANDRIN ATEM
  • MEMBER
  • 2002 HYUNDAI SANTA FE
  • 2.2L
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 17,897 MILES
Car starts well no issues, as soon as you shift to R or D, car automatically shuts out. Also when ignition is on acc, by manually shifting to D, D appears along side with 3. Related DTC p0755, p0760 and p0765.
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Wednesday, January 6th, 2021 AT 11:29 AM

6 Replies

Tiny
AL514
  • EXPERT
Hello, there is a technical service bulletin on this issue. The reason the vehicle is shutting down, I believe is it's going into failsafe mode. Considering codes for solenoids that are located inside the transaxle very close to each other, it sounds like you may have a wiring issue affecting all 3 solenoids. The bulletin refers to a short to ground inside the transaxle. The transaxle oil pan must be dropped to inspect the wiring harness inside. It's highly doubtful that all 3 solenoids went bad at once. So depending on how comfortable you are in taking the pan down to check the harness. To start with you might try just checking the wiring going into the transaxle, like the harness plug on the transaxle for damages. But the bulletin refers to the inside wiring being the issue. There is an arrow pointing to the spot to be inspected on the diagram below. If the vehicle is still under warranty which unfortunately I doubt due to its age, but you do have low mileage. But inspect all the wiring around the transaxle and that area before taking the transaxle apart. Since it is a technical service bulletin, the dealership may be required to repair this problem. I hope they do for you really.
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Wednesday, January 6th, 2021 AT 3:24 PM
Tiny
ANDRIN ATEM
  • MEMBER
Thanks very much. The information helped a lot.
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Sunday, January 10th, 2021 AT 7:27 PM
Tiny
AL514
  • EXPERT
Let us know what you find, I'm interested in this issue. It will help others in the future as well.
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Monday, January 11th, 2021 AT 1:05 PM
Tiny
ANDRIN ATEM
  • MEMBER
The issue was actually the harness connection to the gear box pc, it was so badly broken and it was not losing contact. I had controlled the A/T Relay I was all good, fuses in good condition, I also had tested the solenoids inside the gear box, they all had good resistance.
So I had to come back on the harness socket and realized some physical damages.
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Tuesday, January 12th, 2021 AT 1:29 PM
Tiny
AL514
  • EXPERT
Well, at least the service bulletin lead you in the right direction, hopefully it didn't cost you too much to fix.
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Friday, January 15th, 2021 AT 2:57 PM
Tiny
ANDRIN ATEM
  • MEMBER
No it did not at all, thanks.
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Tuesday, January 19th, 2021 AT 12:43 AM

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