Question about Mercury Topaz

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Replace transmission control module

Where is it

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  • Mercury Master
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What year please.

Posted on May 14, 2014

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Posted on Jan 02, 2017

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jasperoni
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SOURCE: replace transmission control module?

You should really have a qualified tech. replace this control unit. It is located in the foot well in passenger side. There is a false floor held in by 10mm nuts that the unit attaches to. You will more than likely need a S.D.S. machine to download the software out of the old unit and into the new unit. Next you will have to version code the new unit and set the parameters for your shift points. I have never replaced one and tried to start and drive the vehicle w/o the S.D.S.. I can't be sure it would be drivable but there is only one way to find out. Either way you will have to take to appropriate repair facility and won't have the same warranty replacing it yourself. What ever you do do not remove the electrical connector with the key on, I also hope that the vehicle was properly diagnosed. Hopefully I have been helpful. Good luck

Posted on May 30, 2009

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2005 cts won't sift out of park, press the brake pedal and start the car, just won't shift out of park


You probably have a problem with

Automatic Transmission Shift Lock Control System
The automatic transmission shift lock control system is a safety device that prevents an inadvertent shift out of PARK when the engine is running. The driver must press the brake pedal before moving the shift lever out of the PARK position. The system consists of the following components.
• The automatic transmission shift lock control solenoid
• The brake switch
• The rear integration module (RIM)
• The transmission control module (TCM) or powertrain control module (PCM)
With the ignition ON, battery positive voltage is supplied to the automatic transmission shift lock control solenoid from the ignition 3 relay. The automatic transmission shift lock control solenoid is controlled by the rear integration module. When the rear integration module (RIM) receives a class 2 serial data message from the transmission control module (TCM) or powertrain control module (PCM) indicating that the shift lever is in the PARK position the rear integration module (RIM) grounds the automatic transmission shift lock control solenoid control circuit. This causes the solenoid to energize mechanically locking the shift lever in the PARK position. When the driver presses the brake pedal the rear integration module receives the brake applied signal and turns off the ground to the automatic transmission shift lock control solenoid control circuit. This allows the shift lever to be moved out of the PARK position.

Shift Lever Does Not Move with Brake Pedal Depressed

2
Apply the parking brake and block the wheels.
Turn ON the ignition, with the engine OFF.
Attempt to move the shift lever out of the PARK position.
Does the shift lever move out of the PARK position?
YES - Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
NO - Go to Step 3
3
Turn OFF the ignition.
Install a scan tool.
Turn ON the ignition, with the engine OFF.
With a scan tool, observe the TCC brake switch parameter in the transmission data display list.
Press and release the brake pedal several times.
Does the TCC brake switch status turn ON and OFF with the brake pedal?
YES - Go to Step 4
NO - Go to Stop Lamps Inoperative in Lighting Systems
4
With a scan tool, observe the brake to shift control parameter in the rear integration module data list.
Press and release the brake pedal several times.
Does the brake to shift control status turn ON and OFF with the brake pedal?
YES - Go to Step 5
NO - Go to Step 8
5
Turn OFF the ignition.
Connect a test lamp between the automatic transmission shift lock control solenoid supply voltage circuit and the automatic transmission shift lock control solenoid control circuit at the automatic transmission shift lock control solenoid.
Turn ON the ignition, with the engine OFF.
With a scan tool, command the brake to shift control ON and OFF several times while observing the test lamp.
Does the test lamp turn ON and OFF with each command?
YES - Go to Step 7
NO - Go to Step 6
6
Test the automatic transmission shift lock control solenoid control circuit for and open or short to battery voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
YES - Go to Step 11
NO - Go to Step 8
7
Inspect for poor connection at the harness connector of the automatic transmission shift lock control solenoid. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
YES - Go to Step 11
NO - Go to Step 9
8
Inspect for poor connections at the harness connector of the rear integration module (RIM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Yes - Go to Step 11
NO - Go to Step 10
9
Replace the automatic transmission shift lock control solenoid. Refer to Automatic Transmission Shift Lock Actuator Replacement .
YES - Did you complete the replacement?
NO - Go to Step 11
--
10
Replace the RIM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.
YES - Did you complete the replacement?
NO - Go to Step 11
--
11
Operate the system in order to verify the repair.
Did you find and correct the condition?
YES - System OK
NO - Go to Step 2

Mar 25, 2017 | Cadillac CTS Cars & Trucks

Tip

I get code p0700 after an OBDII scan.


P0700 Transmition Control system is the transmission control module.
The transmission control module is a separate computer module, you need to read codes stored on transmission control module.

If there are no transmission code stored, then there is a bad Transmission Control Module (TCM) ground circuit or a bad TCM. In that case the ground to TCM must be tested, and TCM eventually replaced.

Faults that can cause troubles when shifting from first to second gear are : transmission fluid, speed sensor, TPS, transmission shift solenoid, gear box problem, TCM, neutral switch, torque converter problem.

The best thing to do is scanning TCM codes.

on Dec 02, 2009 | Jeep Wrangler Cars & Trucks

Tip

My car does not shift in second gear.


Hi.

The first thing to do is replacing the transmission fluid. Metal debris inside the transmission box gets mixed with fluid and can cause similar problems.

The automatic transmission uses throttle position sensor to determine position and opening of throttle.
IF throttle position sensor is defective, the car may have problems shifting into one or more gears.

The automatic transmission is controlled by an electronic control module, that is energizing a set of solenoids to shift into gears.
The control module is a rectangular box, often located behind the dash and wired to transmission. The solenoids are attached to valve body,inside transmission.

If a solenoid is defective, or if control module is defective, the car may have problems shifting into one or more gears.

Problems concerning transmission control module, TPS and transmission solenoid are usually detectable reading fault codes stored on the car main control module (ECU/ECM).

Transmission problems are often returning a code p0700 after an OBDII scan.

Stored codes can be retrieved using an OBD scan reader.
If the car auto transmission is not shifting into gear, talk to the mechanic about the problem.
Only when the car has a really high mileage, or when there is a factory problem there is need to replace the gearbox.
A damaged gear box at low mileage is rather unusual.

on Oct 23, 2009 | 1988 Jeep Cherokee

1 Answer

Where is the 3-4 shift solenoid and transmission control module on my 2008 Suzuki Forenza?


You need to have the Transmission Control Module scanned for fault codes before you attempt any repairs or you may as well flush your money. Guessing on modern electronically controlled transmissions is a really bad idea.

Nov 21, 2016 | Suzuki Cars & Trucks

1 Answer

My 2005 Chevy Uplander will only drive I reverse smoothly. It doesn't respond in drive or third gears. It revs but doesn't catch.


Some Chevrolet Uplanders have been failing prematurely. This premature transmission failure has been attributed to the control module, which fails, causing the transmission to overheat. The transmission fluid is running overheated if it gives off a burning smell, and if the fluid is extremely dark in color. This symptom is a sign that the transmission is beginning to fail. If the control module is the cause of this transmission failure and the transmission fluid is overheated, the control module needs to be replaced or reprogrammed. The dealership can make this repair.

Jan 05, 2013 | Cars & Trucks

1 Answer

Code p0106 on a 2006 dodge srinter


i had came code to. with others . Check under seat unplug control module see if it is wet with fluid . cost me $138.00 fee.
Engine light on than next day off may 2 day then on at same place drive kid to school.
issue with transmission fluid wicking up the harness into the control module and causing the module to malfunction. Usually, the harness from the transmission to the ETC module is replaced and the module is replaced provided the leak is repaired. In some cases this may be more than is actually needed but it usually fixes the concern. Transmission fluid does not actually damage the module and can be flushed away with board cleaning solvent or electrical contact cleaner as a first attempt. Always repair the leak before replacing a module.

Jul 24, 2010 | Dodge Sprinter

1 Answer

2004 dodge sprinter trans stuck in low gear . i am trying to locate the trans module


Check under seat unplug control module see if it is wet with fluid . cost me $138.00 fee.
Engine light on than next day off may 2 day then on at same place drive kid to school.
issue with transmission fluid wicking up the harness into the control module and causing the module to malfunction. Usually, the harness from the transmission to the ETC module is replaced and the module is replaced provided the leak is repaired. In some cases this may be more than is actually needed but it usually fixes the concern. Transmission fluid does not actually damage the module and can be flushed away with board cleaning solvent or electrical contact cleaner as a first attempt. Always repair the leak before replacing a module.
http://www.benzworld.org/forums/w163-m-class/1465231-mercedes-repair-maintainance-transmission-etc-tips.html

Jan 12, 2010 | 2004 Dodge Sprinter

3 Answers

2004 DODGE SPRINTER WILL NOT SHIFT OUT OF FIRST GEAR AFTER RE CH


Check your ATF oil level in your transmission and replace filter. After if still came check transmission relay switch and do fault code erase

Jul 15, 2009 | 2006 Dodge Sprinter

1 Answer

2003 kia spectra check engine code p0604


I have bad news for you
p0604 is a transmission control module

check the connection at the transmission control module if there are no connection issues than you will need to replace the transmission controll module "tcm" there is no other test for that code.

good luck

wesleyschacht@hotmail.com

Jun 14, 2009 | 2003 Kia Spectra

1 Answer

A/t won't shift from 2 to 3 gear, skips to 4.


  1. Hi, these cars have a TCM Transmission Control Module its located in the upper valance where the wiper motor is and right next to the cabin filter.
  2. You can try replace the module first since this module controls the shifting of the transmission.
  3. All you have to do is call the dealership and ask them if they can give you the number code on the transmission control module your car came with, your gonna have to give them your vin#
  4. These cars have a Code on the transmission and also the "TCM" Transmission control module these two parts have to match" What the car was programmed with" you can find it on e-bay just like what i did its alot cheaper then trying to take it to a transmission shop..
  5. As for the codes you can try and ask the dealer for that info. I hope this info can help you...

Oct 19, 2008 | 2000 Volkswagen Jetta TDI

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