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Cant find the transmission control module - 2000 Audi A4

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Under the carpet in front of the passenger seat, in a black plastic enclosure.

Posted on Jul 04, 2011

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Posted on Jan 02, 2017

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Where is transmission module located on 2002 Chevy siverrod truck 5.3 engine


Transmission control module is part of the PCM - powertrain control module . Engine an transmission module all in one . It's in the engine compartment .
Powertrain Control Module (PCM) 4.8L,5.3L,6.0L
Near the left front inside the engine compartment

Apr 24, 2017 | 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

1 Answer

The transmission control box mounted under the cubbyhole keeps on beeping when i drive my toyota verso


What is a transmission control module? A transmission control module makes adjustments based on the data it collects from the different signals it receives. Some of the sensors that communicate with the transmission control module are the brake pedal position sensor, the transmission fluid temperature sensor, the turbine speed sensor and the throttle position sensor. The information that the transmission control module gathers from all of the sensors is important in making determinations regarding smooth gear shifting. Processing this information and sending out the correct signals contributes to better fuel efficiency and better vehicle handling, as well as decreased engine emissions. For instance, the transmission fluid temperature sensor sends signals indicating if the transmission fluid is at the proper temperature. Based on these signals, the transmission can downshift if necessary. The brake pedal position sensor relays information that tells the transmission control module if the driver has applied the brakes. The throttle position sensor helps manipulate the timing of shifting.

Sep 30, 2016 | Toyota Verso Cars & Trucks

1 Answer

My 2004 Saturn ion 3 has 2 codes coming up u2105 p0700 an it won't go in drive or reverse what could it be


First off you need to understand your vehicle has several control modules on board . The PCM - engine computer , TCM - transmission control module , SRS - air bag module , Anti theft , antilock brakes , An these modules all are able to talk to each other on a communication network , On your vehicle it happens to be the CAN data bus !
The transmission control module (TCM) uses the controller area network (CAN) to signal the engine control module (ECM) that the TCM is requesting malfunction indicator lamp (MIL) illumination. This happens when the TCM has determined that a failure that affects emissions has occurred in the transmission control system. When the ECM receives the correct message from the TCM, DTC P0700 will set.
Which transmission does your vehicle have ?
Automatic Transaxle AF23-5
OR
Automatic Transmission VT25-E
DTC U2105-U2199
The controller area network (CAN) serial data line is a high speed serial data bus used to communicate information between the engine control module (ECM), body control module (BCM), and the transmission control module (TCM). Typical data-transmission speeds must be high enough to ensure the required real-time response is maintained. The CAN serial data line does not communicate with the scan tool via the data link connector (DLC). CAN serial data information is interpreted by the BCM and transmitted to the serial data line by the BCM.
I suggest you take this to GM dealer or some other ASE certified repair shop .

Aug 13, 2015 | Saturn Cars & Trucks

1 Answer

What is a control module


I small computer box that performs engine or transmission or accessory functions. for example: ecm electronic control module. or tcm transmission control module. or pcm powertrain control module. or lcm lighting control module.or bcm body control module

Apr 16, 2015 | Cars & Trucks

1 Answer

We have a 2011 ford f350 and are trying to t/s the reverse lights. we checked the fuses. what else might it be. we cant find a diagram to the wiring.


In the BJB - battery junction box under the hood ,is a reversing lamp relay. Check it or try a known good one !an check fuse F70 10amp in the BJB .

Reversing Lamps

The reversing lamp system consists of the following components:

  • Rear lamps
  • Reversing lamp switch
  • PCM
  • BCM

When the transmission is placed in REVERSE (R), the BCM provides voltage to the reversing lamps. The reversing lamps are located within the rear lamp assemblies.
When the transmission is in REVERSE, the PCM (gasoline engine) or the Transmission Control Module (TCM) (diesel engine) sends a message over the High Speed Controller Area Network (HS-CAN) to the Body Control Module (BCM) indicating the transmission is in REVERSE. The BCM provides voltage to the reversing lamps when it receives the message that the transmission is in REVERSE and the ignition is in the RUN state. You could have a transmission range sensor problem , check to see if it is adjusted correctly ! Need to have a scan tool to make sure the BCM is receiving signal from the PCM . This is complex for someone who doesn't deal with or know about serial data communications ! All it is ,is electric inputs to a control module, then the control module configures it into data bits an bytes 1's an 0's then sends it out on the Data bus. The module that needs this info reads it an turns on the lights.This system can set codes in the bcm ,leading to a problem.

  • DTC B1277:11 (Reverse Lamp: Circuit Short To Ground) - a DTC that sets when the BCMdetects a short to ground from the reversing lamp output circuit.
  • DTC B1277:15 (Reverse Lamp: Circuit Short To Battery or Open) - a DTC that sets when the BCMdetects an open from the reversing lamp output circuit.
  • Could set codes in the PCM - powertrain control module for a transmission range sensor problem !
  • Jan 28, 2015 | Ford F-350 Cars & Trucks

    1 Answer

    Part number for transmission control module/1999v6cougar


    There is a HUGE difference between a "control module" and a "transmission range sensor". Your vehicle is not even equipped with a trnsmission control module. The transmission is controlled by the Powertrain Control Module (PCM). There are lots of things under the battery area that have an effect on transmission shift - especially when it is considered that the entire transmission is under the battery area....

    With that said, the OEM part number for the transmission range sensor on a 1999 Mercury Cougar is 6L8Z-7F283-AA.

    Apr 11, 2012 | Cars & Trucks

    1 Answer

    I need to change the transmission modulator valve on a 2003 Chevy Impala. I need help with the location of the valve and even steps on how to change it. Thanks


    Hello, the 2003 impala's dont have a transmission modulator valve. this transmission is electronic controlled by the power train control module. the transmission uses a pressure control sol. inside the transmission instead of a vac. operated modulator valve. if you are having a late harsh shifting problem, this would be more in the area of a pressure control sol. at fault

    Jun 08, 2011 | Chevrolet Impala Cars & Trucks

    1 Answer

    Hard shifting... book say check vacuum modulator, then says transmission modulator. cant find it in car. 99 chevt venture 6 cyl. 3.4l eng.


    For some reason I think it's electronic controlled and not vacuum modulated. I could be wrong. Good luck

    Oct 02, 2010 | 1999 Chevrolet Venture

    1 Answer

    Cant find modulator valve on 94 isuzu rodeo


    if u mean the vacuum modulator valve, it doesn't have one, it is an electronically controlled transmission, what is the problem with trans?

    Feb 19, 2009 | 1994 Isuzu Rodeo

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