Question about 2000 Volvo S40

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Flushed transmission, how to reset counter or trouble code

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  • donjr124 Jul 30, 2009

    have done that but have been advised once that there was something else to reset for the transmission code

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Unplug your negative battery cable for about 30seconds and that will reset your computer

Posted on Jul 30, 2009

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How to fix trouble codes p0731 p0733


wow no year car posted, now that makes this hard, no? 1996?
ever consider getting the 50k mile A/T a full flush and service.(and filter !!!)
if not, why not.?

no pull, means what, car will not move in 1,2,D,or reverse?
?????

this list
- Low transmission fluid level
- Dirty transmission fluid
- Shift solenoids
- Transmission mechanical problems
- Transmission hydraulic control circuit


both codes, mean, transmission is slipping badly
so does your seat of pants,.
dont need a TCM brain, to tell me the tranny slips, not at all.

answer is generic
no year
no transmission model stated.

Sep 24, 2014 | Jeep Grand Cherokee Cars & Trucks

1 Answer

Code u2100- u2105


U2100 - GM Type Network - Manufacturer Controlled DTC - Manufacturer Controlled Description CAN Bus Off (4L30-E Transmission) Conditions
Cause Key on and the TCM detected a loss of communication on either Communication Area Network (CAN) Bus line for one second

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U2103 - GM Type Network - Manufacturer Controlled DTC - Manufacturer Controlled Description CAN Bus Reset Counter Overrun (4L30-E Transmission)
Cause Key on and then the TCM detected a loss of communication on either CAN Bus line that exceeded 40 time out requirements


---------------
U2104 - GM Type Network - Manufacturer Controlled DTC - Manufacturer Controlled Description CAN Bus Reset Counter Overrun (4L30-E Transmission)
Cause Key on and then the TCM detected a loss of communication on either CAN Bus line that exceeded 40 time out requirements
------------------
U2105 - GM Type Network - Manufacturer Controlled DTC - Manufacturer Controlled Description CAN Bus Error ECM (4L30-E Transmission) Conditions
Cause Key on and the TCM did not receive ECM messages for 1 second

BUT, THERE IS NO FAULT CODES RESULT FOR U2101 AND U2102
or you can ask the 24 hrs live technical support was multi-diag, they will like to help you, good luck

Aug 14, 2013 | 2005 Isuzu Ascender

2 Answers

Transmission warms up,check engine comes on and wont shift to 3rd.


Have the computer scanned for trouble codes. It sounds like the computer is putting the car into "limp in" mode. The diagnostic codes should lead you to the problem.

Jan 03, 2013 | 1996 GMC Suburban

1 Answer

Error code P0785 on Volvo V70 XC -00. What's the problem? I have also error code P1618.


P0785 - Shift/Timing Solenoid Malfunction (3-2 shift solenoid is not working properly)
P1618 - Diagnostic Trouble Code (DTC) in another control module (in this case, in the Trans Module)

Flush the transmission, get any software upgrades available, reset the adaptors and try it, nothing to lose.

If it doesn't work you will need a transmission. Solenoids are internal, that's what controls the shifts.
They could be faulty or the valve body but one should always do what I said once, if it doesn't fix it, you're looking at a transmission.

The resetting of adaptors is crucial if you update the software. It's basically wiping the memory of the TCU (transmission controller) and teaching it how to shift properly again.

Also could check this TSB...

The reason why I ask, is because anytime there are MULTIPLE transmission solenoid codes, its usually the result of a failed ignition switch. However, since only two codes appeared and were one at a time, I think at this point, its unlikely the result of an ignition switch failure.

P0785 is for the 3-2 downshift solenoid. Either the solenoid is faulty, or something got damaged while the 1-2 solenoid was being replaced. (connector knocked loose, wire rubbing on pan or valvebody, etc...).

The 3-2 solenoid is #394 in the picture below, which is at the opposite end of the 1-2 solenoid.

zjlimited_122.gif

P0785 is for the 3-2 solenoid and that is 394 in the picture. Is it likely to fix it? yes, but of course I cannot guarantee that it will, sitting behind my computer and never seeing the vehicle.

Hope this helps.

Jan 31, 2011 | 2000 Volvo V70

2 Answers

What code is? p0741


CODE PO741 - TORQUE CONVERTER CLUTCH SYSTEM STUCK OFF WHEN THIS CODE COMES UP YOUR TRANSMISION FLUID TOO LOW OR FLUID + FILTER NEED CHANGING YOU HAVE A RESTRICTION IN TRANSMISSION LINES TO RADIATOR CHECK TO MAKE SURE LINES NOT BENT IN ANY WAY.TCC FEED VALVE OR TCC REGULATOR VALVE IS STUCK OFF DUE TO SEDIMENT OR BINDING.THE OIL PRESSURE SCREEN IS CLOGGED OR DEBRIS IN THE OIL PAN.TAKE CAR TO A TRANSMISSION SHOP GOING TO COST YOU.YOU NEED TRANSMISSION FLUSH AND YOU NEED A FILTER AND FLUID CHANGE.ITS NOT CHEAP FIX BUT YOU CAN CHANGE FLUID + FILTER YOUR SELF TO SEE IF IT HELPS BUT BEST TO HAVE SHOP TO FLUSH OUT TORQUE CONVERTER. PUT NEW TRANSMISSION FLUID IN THE ENTIRE SYSTEM SOUND LIKE OLD FLUID CONTAMINATED WITH SEDIMENT NEED TO GET IT ALL OUT TRANSMISSION.

Aug 16, 2010 | 2000 Chevrolet Impala

1 Answer

Is a transmission flush necessary?


Hello.. Truthfully Lauran, unless you have over 100,000 miles on it and are having tranny trouble the answer is no.

Jan 21, 2010 | 2006 Toyota Corolla

3 Answers

Dealer is telling me that to get the transmission flushed and gasket changed is $350! What is that about? I am having zero problems with it, but has 75,000 miles on it and has never been flushed


A transmission fluid service does not cost $300 dollars so it sounds like they are going to hook it up to a machine and flush out all the fluid in the transmission. Most automatic transmissions should have a trans service done every 12,000 miles(except BMW they are sealed). I personally think these so call transmission flushes are not needed all though your vehicle is way overdue for a trans service. How does the trans fluid look? They might be recommending this service because you have that many miles and never had the trans serviced. If you have had regular trans services done then you do not need a flush. Ask them how much a regular transmission service is and if they do not offer it to you then take it to a local mechanic and have it done.

Nov 18, 2009 | 2006 Pontiac Vibe

2 Answers

1997 Mazda protege LX 1.5 automatic transmission


You are going to need a transmission shop. Mazdas do not always throw codes. You have an early OBD transmission, which do not send out many codes.

Aug 02, 2009 | 1997 Mazda Protege

1 Answer

I want to know what trouble code P0700 means in a chrysler town and country 1998, and how do I reset the check engine light?


0700 is a "transmission control system malfunction". The entire 0700 series of codes deals with transmission trouble codes in more detail so the 0700 won't tell you much unless one or more of the other codes also were set.

Jan 10, 2009 | 1998 Chrysler Town & Country

1 Answer

Trouble codes


You might want to check for a mouse nest under the Underhood fuse block, seen them chew up wiring under there many times.

Nov 04, 2008 | 2002 Chevrolet Silverado

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