trans solenid code - Hyundai Forums : Hyundai Forum
 
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#1 Old 06-19-2013, 11:26 AM
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Angry trans solenid code

Hey everyone. Been a while since I posted. Had surgery last week and just got home,anyway my wife told me she's been having trouble with the car recently. The car was bucking and kicking and finally got a etc. The transfer shop in town scanned it for us andcame up as code 755. He said was shift solenoid. My question is, s it expensive and were exactly is it located? I think its behind the valve body but I'm not sure.
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#2 Old 06-19-2013, 10:49 PM
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2005 accent glass 1.6l
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#3 Old 06-20-2013, 12:20 AM
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yes... it's one big assembly actually attached to the valve body. It's a few bolts and unplugging connectors after dropping down pan and filter. If you have never done mechanical work I wouldn't attempt, but it you can do an internal timing belt and water pump, then by all means you should be able to do this. The body is between $300 and up to $600 something depending on where and if you have commercial account or not.

Just make sure you do any tests possible to confirm diagnosis, such as the pinpoint test.

Hope this helps, and good luck! Below is a basic pinpoint procedure test.


Component Location
General DescriptionThe Automatic Transmission changes the gear position of the transmission by utilizing a combination of Clutches and Brakes, which are controlled by solenoid valves. The New Alpha Automatic Transmission consists of a: LR (Low and Reverse Brake), KD (Kick Down Brake), FC (Front Clutch), RC (Rear Clutch), and EC (End Clutch). The gear position is determined by the combination of 3 kinds of Shift Control Solenoid Valves. ( SCSV A , SCSV B, SCSV C )

Terminal and Connector Inspection1.Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
2.Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
3.Has a problem been found?
YES
1)Repair as necessary and then go to "Verification of Vehicle Repair" procedure
NO
1)Go to "Signal circuit Inspection" procedure
Signal Circuit Inspection1.Disconnect "A/T SOLENOID VALVE" connector.
2.IGNITION "ON", ENGINE "OFF"
3.Measure voltage between teminal "3" of the sensor harness connector and chassis ground.
A.Specification: Approx. 12V

4.Is voltage within specifications?
YES
1)Go to "Component inspection" procedure
NO
1)Check for open or short in harness. Repair as necessary and Go to "Verification of Vehicle Repair" procedure
2)If signal circuit in harness is OK, Go to "Check PCM/TCM" of the "Component Inspection" procedure.

Last edited by cubawashere; 06-20-2013 at 12:34 AM.
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#4 Old 06-21-2013, 09:42 PM
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i will give that a shot, thanks.
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#5 Old 06-23-2013, 02:16 PM
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i used to be a mechanic but never on internal transmission work. can the soleniods themselves be replaced or does the entire valve body assembly need to be replaced?
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#6 Old 06-23-2013, 02:29 PM
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You don't have to replace entire valve body (it's one solid piece part of trans body)....however the solenoids come as one complete assembly, here's a pic
Attached Images
File Type: jpg shiftsolenoids.jpg (6.1 KB, 5 views)
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