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Transmission p1745

Customer Question
transmission p1745
Submitted: 5 months ago.Category: Transmissions
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Customer reply replied 5 months ago
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call.
Customer reply replied 5 months ago
Let me know if you need more information, or send me the service offer(s) so we can proceed.
Customer reply replied 5 months ago
have a question about p1745 code. Line pressure to high. do you think is it a bad solenoid pack.
Thks
Answered in 5 minutes by:
11/13/2017
Transmission Mechanic: tech0405, Technician replied 5 months ago
tech0405
tech0405, Technician
Category: Transmissions
Satisfied Customers: 11,094
Experience: Certified technican 14 years experience
Verified

Good afternoon have you reset the VLP adaptive learn values yet with a capable scan tool yet ??

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Customer reply replied 5 months ago
well I went to a shop and they reset it and it came back.
Customer reply replied 5 months ago
Line pressure too hight error code p1745
Transmission Mechanic: David Craig, Auto Mechanic replied 5 months ago
David Craig
David Craig, Auto Mechanic
Category: Transmissions
Satisfied Customers: 5,157
Experience: Owner/Mechanic at 3D Automotive
Verified

A year and engine size is always helpful. Thank you.

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Customer reply replied 5 months ago
2011 grand caravan 3.6liter v6
Transmission Mechanic: David Craig, Auto Mechanic replied 5 months ago

thanks

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Customer reply replied 5 months ago
62te transmission
Transmission Mechanic: David Craig, Auto Mechanic replied 5 months ago

The P1745 code is an informational code to inform the technician that transmission has been operating in an open-loop line pressure control for 3220 kilometers (2000 miles) or 1000 2-3 upshifts resulting from a Line Pressure DTC. The Transmission is not designed to operate in open-loop line pressure control for an extended period time. This code is intended to protect the transmission. If the P1745 code sets, the transmission controller will place the transmission into limp-in mode. Replacing the line pressure solenoid usually fixes this problem unless there is wiring issues.

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Customer reply replied 5 months ago
just the line pressure solenoid. not the whole solenoid pack?
Customer reply replied 5 months ago
if i do replace the pressure solenoid do I need to take to the shop to clear the code. or will it clear by it self. I do have a basic scan tool.
Transmission Mechanic: David Craig, Auto Mechanic replied 5 months ago

it should clear by itself, and yes only the line pressure solenoid

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Customer reply replied 5 months ago
do i done need to replace the whole transmission.
Customer reply replied 5 months ago
I Don't need to replace the whole transmission.
Transmission Mechanic: David Craig, Auto Mechanic replied 5 months ago

no. who told you that?

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Customer reply replied 5 months ago
the transmission shop told me. do you have a part number
Transmission Mechanic: David Craig, Auto Mechanic replied 5 months ago

the transmission shop wants your money.

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Transmission Mechanic: David Craig, Auto Mechanic replied 5 months ago

I do not have the part number. Call your local dealer in the morning. Talk to the parts department. they will need your VIN, then they can give you the part number

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Transmission Mechanic: David Craig, Auto Mechanic replied 5 months ago

please note customer satisfaction is my number one goal and leaving a 3 stars or more rating for me will allow us to continue this dialogue until you are completely satisfied.and your vehicle is fixed. you may ask as many questions as you'd like at no extra charges. thank you have a great day

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Customer reply replied 5 months ago
ok so after you think the transmission will go out of limp mode automatically
Transmission Mechanic: David Craig, Auto Mechanic replied 5 months ago

yes, if not then the code will need to be reset with a scan tool

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Customer reply replied 5 months ago
I have heard I need a special dealer scan tool. to reset the vlc
Transmission Mechanic: David Craig, Auto Mechanic replied 5 months ago

nott a dealer scan tool, any shop will have a scan tool capable of communicating with the transmission control module

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Customer reply replied 5 months ago
but i have a basic scan tool. I tried clearing it.it still in limp mode."If you have this code and you preform a repair you will need to clear this code for the trans to operate correctly. To clear this code you have VLP Shift Counter and the Output tooth counter. To do this you have to have access to a factory scan tool and go to "Clear Variable Line Pressure (VLP) counters" which is located under the MISC. section in the PCM."
Customer reply replied 5 months ago
Even with the problem, If they clear it, it will be out of limp mode for a short time or the cycle i think its 2000 Miles or 1000 up/downshifts or something. I think i should do that and then go on fixing the problem.
Transmission Mechanic: sprinkles08, ASE Certified Technician replied 5 months ago
sprinkles08
sprinkles08, ASE Certified Technician
Category: Transmissions
Satisfied Customers: 23,790
Experience: Chrysler/Dodge/Jeep master tech ASE Master and Advanced Certified, Chrysler/Dodge/Jeep Master Certified, Trans Specialist
Verified

Hello and welcome to JustAnswer! I apologize for the extended wait time you experienced, I've only just come online now and would like to assist you with your question.

Do you still need help?

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sprinkles08
sprinkles08, ASE Certified Technician
Category: Transmissions
Satisfied Customers: 23,790
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