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Old 12-16-2006, 01:46 PM
rleyland
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Default Diagnostic Code P1739

I have a 1998 Honda Accord LX 2.3L w/auto. I noticed the card hasn't been performing appropriately and ran a test with an OBD2 scanner finding an error of P1739(Problem in 3rd Clutch Pressure Switch Circuit). Has anyone had this problem? Does this generally mean that the pressure control soleniods are faulty?

Are both A and B soleniods replaced as a unit?

Thanks,
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  #2  
Old 12-17-2006, 07:37 PM
hondadude's Avatar
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Default RE: Diagnostic Code P1739

Has the trans been serviced? fluid changes?
The info I see does not point to changing the solenoids.


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  #3  
Old 12-17-2006, 09:00 PM
rleyland
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Default RE: Diagnostic Code P1739

The transmission was shifting poorly and would shake the car at a constant 40 or 50mph. So, about 3 months ago I replaced the fluid with Honda ATF. Do you recommend another fluid change?
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Old 12-18-2006, 01:20 AM
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Default RE: Diagnostic Code P1739

I suggest that an accurate diagnostic be done according [no pun intended] to the service manual procedure for the code.
The fault might lie with the control unit, internal transmission faults, or wiring.
Those transmissions have a bad reputation for eating up the differential bearings and throwing metal shards throughout the trans; first sign of that is seals seeping at the inner CV joint.
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93 Yota T-100 155k miles. 3.0 "born to die" engine
92 Acura Legend 135k miles. Wife lets me drive it for oil changes.
The one eyed Mechanic says "The fluid is low"; The two eyed Technician says "WHY is the fluid low?"
Been There, Done That, Read the Book, Seen the Movie, Got the T-shirt
http://www.righttorepair.org/
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1739, 3rd, 98, accord, acura, clutch, code, codes, diagnostic, honda, obd, p1739, part, pressure, switch, transmision, trouble

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