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Error code P1780?

Tiny
MUSTK
  • MEMBER
  • 17 POSTS
Today I received cluster, will check on weekend and report.
Thank you
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Wednesday, April 17th, 2024 AT 12:36 AM
Tiny
KEN L
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Sounds good, that should fix it.
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Wednesday, April 17th, 2024 AT 9:39 AM
Tiny
MUSTK
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Hello Ken,
Unfortunately, with another cluster same symptoms.
There is only left ECU or wirings under dash.
Any advice what else to check?
Thank you
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Saturday, April 20th, 2024 AT 11:09 AM
Tiny
KEN L
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You are on the right track, wiring or ECU, if the wiring has not been messed with I would say the ECU is bad, you can send it in for testing by searching google or ebay.
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Sunday, April 21st, 2024 AT 10:47 AM
Tiny
MUSTK
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Only testing cost at least twice more than purchase used, I purchase used one - 3 times less than test only, even there are any issues, I can return, low chance it would be same problem. Sync with immobilizer - short on OBD port pins 4 and 13 for 30minutes. Only downside - VIN number from donor, however I can re-solder chip later if would needed. As always, I'll keep you updated. Thank you!
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Monday, April 22nd, 2024 AT 10:32 PM
Tiny
KEN L
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You are welcome, please let us know.
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Tuesday, April 23rd, 2024 AT 10:05 AM
Tiny
MUSTK
  • MEMBER
  • 17 POSTS
Hello Ken,
Yesterday I replace ECU, it did not sync with immobilizer, so I was unable to start the vehicle, but changing lever correctly shown on cluster w/o delays.
Today I transfer IC900 chip from original ECU to "new" and will test it next week, will keep you updated.
Thank you!
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Sunday, May 5th, 2024 AT 5:35 PM
Tiny
KEN L
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Nice! We are getting closer to getting it fixed.
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Monday, May 6th, 2024 AT 11:18 AM
Tiny
MUSTK
  • MEMBER
  • 17 POSTS
Hello Ken,
Seems it is working.
I was able to start the vehicle, change gears, and all seems OK.
Unable to drive it today, but next will report final tests.
Thank you for your support!
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Sunday, May 12th, 2024 AT 10:22 AM
Tiny
KEN L
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Sounds good, fingers crossed!
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Sunday, May 12th, 2024 AT 12:25 PM

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