Question about 1998 Honda Accord

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2nd clutch transmission fluid pressure switch failure

P1738 trying to locate the switch and a clearer name for the product to describe to retailers

Posted by Anonymous on

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Posted on Jan 02, 2017

redbeard00
  • 957 Answers

SOURCE: some times not engaged to dryshaft when TC on

Check the level and color of the transmission fluid. Sounds like a fluid pressure issue. If the fluid is red thats good but if the fluid is low and/or dark brown and smells burnt. That isn't good. You can try having the system flushed but don't get your hopes up because of the year of the minivan you might need a transmission.

Posted on Apr 25, 2009

ZiggynSC09
  • 79 Answers

SOURCE: I got the code P0847

Does it have any shifting problems? Hard shift or slipping? If not you may just need the 3rd clutch pressure switch. It will need to come from Honda I don't know pricing but I would think less then $100 and shouldn't take long to replace.

Posted on May 25, 2010

ZJLimited
  • 17970 Answers

SOURCE: '02 ACCORD 1-2 Shift Shudder,

The shift control solenoid externally mounted on the transmission can fail and causes a harsh 1-2 shift. Replacing the shift solenoid and flushisng the transmission with genuine Honda automatic transmission fluid may eliminate harsh shifting characteristics. A broken internal spring can cause the same issue. If the shift control solenoid does not repair the problem, the transmission will have to be replaced.

In both cases (CR-V and the Civic) there is a linear solinoid that can cause the problem or if not then a broken spring inside the transmission that can create the same issue. The cheapest thing to do is to replace the linear solinoid and flush the transmission. If there is no change then the transmission will need to be replaced. The spring is deep inside the transmission and would require complete disassembly for replacement, and it's ususally more cost effective to replace the transmission as a unit.

Honda has issued a bulletin on this issue. As far as I can recall it's been about 50/50 between the spring and the solinoid to repair the problem. Some customers choose to live with the issue due to the cost involved.

Hope helps.

Posted on Jan 25, 2011

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1 Answer

P1739 and p1738 on a v6 accord


Quick google search of those codes shows 1738 to be trans second clutch pressure switch issue, while 1739 is 3rd clutch pressure circuit issue. How long has it been since you changed trans fluid and filter? Might start there, but if many miles on car trans could be toast.

Mar 15, 2014 | 1998 Honda Accord

1 Answer

Honda stream 2009 'D' blinking light. diagnostic says po843 code


take it in, get it fixed ? stream?) not sold here, so alldata.com has nada.
or if DIY person
RTM , read the manual the FSM. its all there, look up 843
it tells you all the tests to do , that isolates the true cause of failure.

D flash means the tranny TCM is unhappy.
the CEL glowing too.
the P0843 means.
Data:
P0843: Open in Transmission Fluid Pressure Switch A (2nd Clutch) Circuit, or Transmission Fluid Pressure Switch A (2nd Clutch) Stuck OFF

first google hit.
http://www.civicforums.com/forums/181-8th-9th-gen/351431-engine-ligh-flashing-d-p0843-what-do-next.html#post4616790

Feb 04, 2014 | Honda Cars & Trucks

1 Answer

Diagnostic code: P0843 what is it?


P0843 Open in 2nd Clutch Transmission Fluid Pressure Switch Circuit, or 2nd Clutch Transmission
Fluid Pressure Switch Stuck OFF

Dec 14, 2013 | 2004 Honda Civic

1 Answer

HOW DO I FIX THIS CODE P1738 AND P1456? RECENTLY HAD TRANSMISSION REBUILT AND RIGHT FRONT AXLE.


Best to clear the computer codes & see what codes if any come back. You will need a scanner that can clear codes to do it .. Or if there is an Auto Value around you they can do it.

If P1738 returns I would bring the car back to the transmission shop.

I put the code details below.

P1738: Problem in 2nd Clutch Pressure Switch Circuit

P1456: Evaporative Emission Control System Leak Detected Small Leak

- Missing Fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- Incorrect fuel tank vacuum relief valve
- Leak is in line between intake manifold and EVAP canister purge volume control solenoid valve.

Feb 07, 2012 | 1998 Honda Accord

2 Answers

2004 trailblazer transmission does not shift from second to third


Welcome to Fixya

Sounds like something let go, you could also have a stuck solenoid for that gear, or the clutch plates blew apart, this vehicle would need to have the computer scanned for codes to see if its a seloniod or speed sensor, if not then the trany would need to be opened and checked. This sounds like its time for a rebuild.

Thank you for using Fixya!

Apr 03, 2011 | 2004 Chevrolet TrailBlazer

1 Answer

While driving home in my 2004 Trailblazer it stopped driving while it was in Drive. I would press the gas and the engine would just revved.


MANY THINGS WILL CAUSE NO DRIVE PROBLEMS.IF TRANSMISSION FLUID LEVEL CORRECT LEVEL AND TRANSMISSION FILTER BEEN CHANGED.SINCE TRANSMISSION PCM CONTROLLED SCAN FOR FOR TRANSMISSION FLUID PRESSURE SWITCH CODE.OR TRANSMISSION PRESSURE CONTROL SOLENOID FAULT CODE.LOOK FOR SHIFT SOLENOIDS FAULT CODES.LOOK FOR TRANSMISSION CONTROL MODULE FAULT CODE AND TRANSMISSION RANGE SWITCH FAULT CODE.IF NO CODES COME UP.YOU HAVE TRANSMISSION INTERNAL MECHANICAL FAILURE LIKE FORWARD CLUTCH AND INPUT CLUTCH HAS WORN DRIVE PLATES AND LEAKING PISTON SEALS.FAULTY TRANSMISSION OIL PUMP.HAVE TRANSMISSION PRESSURE TESTED.

Dec 31, 2010 | 2004 Chevrolet TrailBlazer

1 Answer

2002 celica GTS Transmission makes noise when shifting souns like gears grind although clutch is pressed all the way down. Do not see where to check tranny fluid. I replacing the clutch difficult on this...


There may be several reasons for this. 1st, low transmission fluid levels can cause the gears to grind while shifting due to lack of lubrication. I would suggest checking the fluid level, there is a plug located on the side, in about the middle of the transmission which when removed should slowly seep oil from it. If it doesn't then you will need to add the recommended transmission fluid.
2nd, a maladjusted clutch can cause the same problem. Even though you have the clutch pedal to the floor, the clutch pressure plate may not be completely disengaging from the flywheel. This will cause pressure on the gears and synchronizers while trying to shift. I suggest having the clutch adjusted by a mechanic if you have never performed this function yourself. An inproper adjustment can severely shorten the life of the clutch.
The 3rd option may be a warn clutch component like the slave cylinder if equipped, the throwout bearing or even the pressure plate itself.
A visual inspection can be made of the clutch by removing the inspection plate from the bottom of the bell housing to view the flywheel and clutch. With someone depressing the clutch you should be able to see the clutch moving off the flywheel.

Aug 02, 2010 | 2002 Toyota Celica

1 Answer

Transmission issues (I think)


Use a engine scanner to pull codes, If none it sounds like the lock-up torque converter may not be disengaging at idle. Or you have a idle air control valve or TPS going bad, then repair codes by replacing failed sensor or shift control solenoid as needed. If no codes are present your transmission could have a internal failure. It's also been know that oil transmission fluid in the system will have a higher fluid retention causing the 2nd gear solenoid to stick causing the transmission to stay in second till the line pressure rises and drops back to first with a hard shift. Keep me posted be glad to get your transmission running again

Jul 01, 2009 | Jeep Grand Cherokee Cars & Trucks

1 Answer

Some times not engaged to dryshaft when TC on


Check the level and color of the transmission fluid. Sounds like a fluid pressure issue. If the fluid is red thats good but if the fluid is low and/or dark brown and smells burnt. That isn't good. You can try having the system flushed but don't get your hopes up because of the year of the minivan you might need a transmission.

Jan 25, 2009 | 2001 Honda Odyssey

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