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Dodge Caravan 2005 What does code U0101 lost communication with TCM Mean?

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: TCM codes

I'm having the same problems actually. Mine started with the transmission line popping off and spilling all of my fluid on the highway. Fun times and long story heh...anyhow, I believe that there is a special code reader for the p-0700 issues.

Does your car make a high pitched "eeeeeeeeeeeeeeeeeeeeeeeeeee" sound when you turn your key on, without the engine started?

Posted on Jul 26, 2008

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SOURCE: 2005 dodge grand caravan getting code p0406

3.3 engines has the egr valve with transducer.you have to replace the whole unit. code p0406 what its trying to tell you your egr valve circuit is short to ground.it has failed .

Posted on Jul 04, 2009

  • 1 Answer

SOURCE: My sister's Caravan is having the same problem

i have a 2002 dodge caravan drove fine yesterday morning then tried to go back out and acts like it is stuck in 2nd gear and wont shift but will go in reverse just no other forward gears

Posted on Jul 27, 2009

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SOURCE: Error code U0101: Lost Comm with TCM

i do have the same problem and i took the car to 5 differant mechanic an dget no solution the aaamco the petboys the mazda dealer another transmission specialist please let me know if u have any solution

Posted on Jul 11, 2010

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Transmission down shifting to 2 code po 700 or but it does not shift to 3rd gear anymore was resetting it 1st time lasted a month then every 2 or 3 weeks now i can"t reset it anymore no codes


P0700 Transmission Control System Malfunction OBD-II Trouble Code Technical Description Article by Dale Toalston ASE Certified Technician Transmission Control System TCS Malfunction What does that mean? Many vehicles have a control module for the automatic transmission called a transmission control module (TCM). The engine control module (ECM) communicates with the TCM to monitor the automatic transmission for faults. If the TCM detects a fault in the automatic transmission and sets a transmission related fault code, the ECM is informed of this also and sets a P0700 in the ECM memory. This illuminates the Malfunction Indicator Lamp (MIL) to let the driver know there is a problem. If this code is present and the MIL (Malfunction Indicator Lamp) is illuminated that basically means there is at least one transmission code set in the TCM's memory. P0700 is an informational code only. It doesn't point to a direct fault in the engine, only a general fault in the transmission. More diagnosis is necessary to identify what the transmission fault is. This requires a scan tool that will communicate with the transmission module. Symptoms Symptoms of a P0700 DTC may include: Malfunction Indicator Lamp (MIL) illumination The transmission may exhibit drivability problems like slipping, etc. Causes More often then not, the cause of this code is that there is a transmission problem of some kind. The TCM detected the problem and set a code. P0700 means that a fault code is stored in the TCM. However this doesn't rule out the possibility of a failed PCM or TCM (unlikely). Possible Solutions For a P0700 the only real solution is to acquire a scan tool that will communicate with the transmission control module. Extracting this code from the TCM will be the first step in repairing the fault in the transmission. If the TCM compatible scan tool will not communicate with the Transmission Control Module then that is a good indication that there may be a fault with the TCM itself. Register now to ask a question (free) Related P0700 DTC Discussions pt cruiser P0605, P0700, and P1391 What does P0605, P0700, and P1391 mean....I just put in a new catalyst on my car for smog but light engine turned back on...and I can't seem to know what is wrong ...please help me out here... 2002 Dodge Intrepid P0700 & P0841 code my code scanner come up with the codes PO700 and PO841. the 700 code i was told it was the input and output sensors.i had those changed a month and a haft a go. now they are back on and the po841 is on were is the 841 sensor located the machanic i go to tells me my transmission has to be replaced bu... ODB Codes Dodge Caravan 2005 P0700 and P0522 Hello I have a 2005 Dodge caravan and need a fix for these codes please.. P0700 and P0522 came up.. basically ths is stuck in limp mode or 2nd gear.. I am thinking I need a new Transmission Control module.. but can anyone confirm that... 2001 Honda Civic accord p0700 and p0740 Hi I went to get my Honda civic check and p0700 and p0740 codes came up the car has a lil leak But however the car is not slipping or anything. it's not showing no Transmission sign issues. I wanted to know what could possibly be the problem thanks you... 2005 Dodge Caravan P0700 and P0420 I have a 2005 Dodge Grand Caravan.The other day the check engine light came on.I stopped at auto parts store and they checked codes for me.P0700 and P0420 are the codes that came up.What do these mean and why did they show up?My van is running fine.Do I need a tuneup?Or is it something else?I am hop...

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May 23, 2015 | 2006 Dodge Dakota

1 Answer

I have a 2005 dodge caravan the ingine light came on today the codes read p1776 and p0700 what does the codes mean


i'd go with the Transmission Control Module being the cause , either loose connection or worst case needs new unit

Oct 14, 2014 | 2005 Dodge Caravan

3 Answers

What do these codes U0100, U0155, U0101 and P2187 mean for my mazda?


U0100 - Lost Communication with ECM/PCM "A"
U0155 - Lost Communication with Instrument Panel Cluster (IPC) Control Module
U0101 - Lost Communication with TCM
All of them are Geniric Codes 4 Mazda, I would say who ever was working on the car last, posobly forgot or missted 1 or 2 connection
plugs along the way near the last repairs. So just trace yr last steps 2 see if ther any unpluged connectors, cos looks like they all are part of same chane in that line.
P2187 - Sys To Lean at the idle Bank 1
Hope that helpes you. Good luck.
Tony D:-)

Aug 03, 2014 | 2004 Mazda 6

1 Answer

I have dodge charger 2012 trouble code U0101 Lost communication with TCM


it is under warranty. unless you installed a radio, alarm or remote start.

May 09, 2014 | 2006 Mazda 3

1 Answer

Toyota codes u0100 and u0101


U0100 means lost of communication with ECM/PCM
U0101 means lost of communication with TCM

Feb 24, 2014 | 2007 Toyota Camry

1 Answer

Code u0100 and u0101 2008 aveo


U0100 is lost communication with the PCM (on board computer that controls everything) the U0101 is no communication with the TCM (transmission Control Module. I have read where a lot of people have had no luck trying to fix this and the delaers charge big bucks for it. typically the problem starts shortly after being jump started or having to jump start someone else and hooking the cables up properly. it can also just happen over time which is another of the many reasons i hate new cars. one fix i saw was to remove the positive battery cable and let it sit for 15-30 minutes then ground the positive cable out for 20 seconds before reconnecting it to the battery again, this may not work and if it doesn't it will require either the TCM be replaced or the dealer to have to dig into your car and charge you big time for the work. hope that helps

little side note i have seen some of these error messages cleared up by cleaning up the ground contacts for the TCM and even one fella had some luck replacing the speed control sensor in his and the lights all went away and it ran fine after that.

Feb 21, 2013 | 2008 Chevrolet Aveo

1 Answer

Code U0101 on my 2007 mercedes r350


The U0101 means "Lost Communication with TCM"
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ak90 bmw key programmer

Aug 31, 2012 | 2007 Mercedes-Benz R350

1 Answer

Code U0101


IPC - instrument cluster - BCM - body control module (computer )

U0101 - your vehicle has a serial data communication network that all the modules communicate on , this U0101 means one isn't talking . You best bet take to a qualified repair shop .

Apr 30, 2017 | 2006 Chrysler Town & Country

1 Answer

P0000, c2202, 02062, p0620, u0101


i am receiving a code u0101 on my 2005 dodge durango. can you help me. i think it has something to do with the tcm but i am not sure. "LEN"

Oct 06, 2010 | Dodge Ram 1500 Cars & Trucks

3 Answers

Check engine light is on with code p1698 what is this code


The code P1698 is: No CCD messages from TCM. That means the communication between the Transmission Control Module and the Power Control Module is lost. Sometimes this happens when a PCM, or TCM is replaced without being flashed, a bad connection at the PCM, TCM, or a bad TCM. Hope this helps.

Mar 04, 2010 | 1999 Dodge Caravan

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