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I need a electronic body module reset. I purchased one from EBay only to find out that thr module controlls your mileage statment. Thank's

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Go to your local auto dealer mistakes get costly

Posted on Apr 28, 2015

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I have a 2010 Chevy impala LS instrument cluster and it has a 20 pin plug I'm trying to figure out which wire's on the back of the cluster are for the speed sensor, rpm, gas, and temp wires.


Boy your way off base . All the gauges are inputs from the ECM - engine computer . The VSS - vehicle speed sensor , ETC - engine coolant temp sensor , sending unit in the fuel tank , All this sensors input the engine computer . The PCM then sends this info on the GMLAN serial data bus ,communications network . The Instrument cluster has a microprocessor inside that translates this info an controls the gauges. You probably have an instrument cluster problem or a communication network problem . Your best bet is to take your vehicle to the dealer or some other qualified repair shop. Need to have it checked for DTC'S - diagnostic trouble codes.
Indicators and Warning Messages
Refer to Indicator/Warning Message Description and Operation.
Engine Coolant Temperature Gage
The instrument panel cluster (IPC) displays the engine coolant temperature as determined by the engine control module (ECM). The IPC receives a serial data message from the ECM indicating the engine coolant temperature. The IPC receives the coolant temperature information via serial data message from the body control module (BCM). The engine coolant temperature gage defaults to 60?°C (140?°F) or below if:
?€¢
The ECM detects a malfunction in the engine coolant temperature sensor circuit.

?€¢
The IPC detects a loss of serial data communications with the ECM.

?€¢
The IPC detects a loss of serial data communications with the BCM.
Fuel Gage
The instrument panel cluster (IPC) displays the fuel level as determined by the engine control module (ECM). The IPC receives a serial data message from the ECM indicating the fuel level percent. The body control module (BCM) sends the fuel level information from the ECM to the IPC via a serial data message indicating the fuel level percent. The fuel gage defaults to empty if:
?€¢
The ECM detects a malfunction in the fuel level sensor circuit.

?€¢
The IPC detects a loss of serial data communications with the ECM.

?€¢
The IPC detects a loss of serial data communications with the BCM.
When the fuel level is less than a pre-determined value, the low fuel indicator illuminates in the IPC.
Odometer
The vehicle odometer is calculated and stored electronically in the instrument panel cluster (IPC). The IPC contains a season odometer and trip odometer A or B. Momentarily press the trip/fuel button in order to toggle between the season odometer and the trip odometer. Press the set/reset button for greater than 0.25 seconds, while the trip odometer is displayed, in order to reset the trip odometer. The IPC displays the vehicle mileage and trip mileage as determined by the engine control module (ECM). The IPC calculates the mileage based on the serial data vehicle speed information from the ECM. The odometer will display 'error' if an internal IPC memory failure is detected. The odometer displays either miles or kilometers and can be set through the customization menu in the driver information center (DIC).
PRNDL Display
The instrument panel cluster (IPC) displays the selected gear position as determined by the engine control module (ECM). The IPC receives a serial data message from the ECM indicating the gear position. The PRNDL display blanks if:
?€¢
The ECM detects a malfunction in the transmission range switch circuit.

?€¢
The IPC detects a loss of serial data communications with the ECM.

?€¢
The IPC detects a loss of serial data communications with the body control module (BCM).
Speedometer
The instrument panel cluster (IPC) displays the vehicle speed as determined by the engine control module (ECM). The IPC calculates the mileage based on serial data vehicle speed information from the ECM. The IPC receives vehicle speed information from the body control module (BCM) via a serial data message. The speedometer defaults to 0 km/h (0 mph) if the IPC detects a loss of serial data communications with the ECM or BCM.
Tachometer
The instrument panel cluster (IPC) displays the engine speed as determined by the engine control module (ECM). The IPC receives a serial data message from the ECM indicating the engine speed. The IPC receives the engine speed information from the body control module (BCM) via a serial data message. The tachometer will default to 0 RPM if:
?€¢
The ECM detects a malfunction in the engine speed sensor circuit.

?€¢
The IPC detects a loss of serial data communications with the ECM.

?€¢
The IPC detects a loss of serial data communications with the BCM.

How to Diagnose Controller Area Network CAN Suggest you read up on C.A.N.

May 14, 2016 | Cars & Trucks

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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

2001 vw passat, water leak in from sunroof. went on ebay bought used comfort control module, and part of electrical harness. rewired 2 connetors useing soldering iron and heat shrink tubing. car start


https://www.youtube.com/watch?v=Hbr77jfWwOk

Sunroof drains are a common problem on many models. Cleaning or modifying the sunroof drains usually takes care of the problem. You may resolve your problem. I believe that the trouble codes are unrelated and may need professional diagnosis as you need VAGCOM to adapt the throttle.

Jan 30, 2015 | 2001 Volkswagen Passat

1 Answer

B C M




  • A B.C.M. is................
    A body control module is a computer component in an automobile that checks, regulates and operates electronic devices throughout the car. When electric devices first began being used in cars and trucks, each device was governed by a separate electric component. There was a module for the air-conditioning, a module for the interior lighting, a module for the door locks, and so forth. A body control module gathers all these separate modules under one system so that they function together instead of separately, a format easier to both manufacture and troubleshoot.
  • While there are many different types of body control modules, they are generally alike, connecting sensors, switches and automatic reactions together in one computer system. These components are divided into inputs, such as sensor data about heat or speed, and outputs, or ways in which the body control module computer responds to control the vehicle's electronic functions. Inputs and outputs are further divided into analog and digital types of information--analog signals being used with modules that may change continuously (such as oil pressure) and digital signals being used for modules that can simply be on or off (like the headlights or the oil indication light).
Inputs and Outputs
  • Input components are divided into electric parts, such as the potentiometer, the variable resistor, the magnetic pickup and the voltage generator. A potentiometer is designed to change a voltage output to the computer, so that when a fuel setting or gas-pedal position is changed, the voltage will change and the computer will read the new voltage and respond accordingly. The variable resistor works in a similar fashion, but senses changes in temperature for reading engine coolant conditions and other data. The magnetic pickup reads the speed of a rotating object via a simple magnet attached to the object, and a voltage generator sends out a voltage signal based on the presence of compounds like oxygen so the computer can tell the oxygen-rich levels of a pipe or space.
    Output devices consist of relays, solenoids, servomotors, switching transistors and others. Relays can turn other devices on and off by connecting or disrupting a circuit to turn on a fan or automatic air conditioning unit. Solenoids are analog components that use magnetic forces to move objects, such as fuel injectors. A servometer is a mini-motor also used to move objects, usually to turn things, while a switching transistor is the digital version of a relay. Other output devices can be very simple, such as LED lights, or very complex, such as a night-vision view of the road.
Computer Tasks
  • The body control module computer performs many of the functions of a normal computer, including storing data, using RAM and sending or receiving radio waves. The computer regulates many of the systems and troubleshoots all its component modules. Some modules are set by timer, which the computer digitally keeps track of, while other modules--like the anti-theft alarm--need to be active even when the car is turned off. The body control module computer also can be in charge of keeping track of mileage and CO2 output.
    When troubleshooting, a mechanic often is pointed to the right area by the body control module system, which sends out a code that shows what module is not responding. At times, the body control module computer can diagnose itself and report specific problems.

Oct 26, 2012 | 2004 Dodge Grand Caravan

1 Answer

Windows elevaitor


I don't know what the symptoms are but I assume you have electric windows and that the window doesn't go up or down. If the regulator can be inspected and tested by connecting 12 V to the wires going to the regulator's motor then that can be ruled out. Other devices that could cause the symptom are wires connectors and body control module. The wires, connectors and body control module can be ruled out by checking the voltage on the wires going to the regulator. Usually the regulator is at fault. If so, you can buy one at a fairly reasonable price on Ebay. I have purchased 3 on Ebay and 2 were good. I hope this helps

Aug 08, 2011 | 1999 Dodge Caravan

1 Answer

Car bogs down epc light comes on, then goes off car runs then normally, I replaced mass air flow, front and back 02 sensors, but continues to bog and epc light goes on and off


epc is short for electronic pedal control, the throttle is controlled by an electric motor and has two angle sensors in the throttle body. the pedal it self has two sensors as well, sometimes after a battery replacement or replacement of certain parts (ecm throttle body pedal controls) the control modules need to be reset or "relearned" to one another. the dealer or independent shop with correct softwear can do this, if problem persists possible bad throttle body pedal sensors or ecm (engine control module)

Aug 07, 2011 | Volkswagen Beetle Cars & Trucks

1 Answer

My 1998 vw is getting less mileage per gallon, and my check engine light is on. I scanned it and the code came up that the throttle body control module needs fixed or replaced. Oh yes and the oil light...


yes it will!! you have issues with the tps and air flow valve on the throttle body also you may have to use a code tool to reset all that once the unit is replaced to insure proper throttle response and speed controll through the ECM to the new unit

Jan 15, 2010 | 1998 Volkswagen Jetta

3 Answers

How do i reset service light on 2001 pontiac aztek?


Before you re-set it, take the car to AutoZone or other similar store to read the code. That way, you know why the service light came on.
Then AutoZone can re-set it for you (all free)!

== or ==

Disconnect the negative cable from the battery for 10 minutes, or more.
When you re-connect the battery cable, the service light will have benn reset. But it will turn back on eventually.

Hope this helps!

Sep 10, 2009 | 2001 Pontiac Aztek

1 Answer

Odameter and trip fucntion will not reset or work


the body control module has failed, this is the module that displays the mileage. the new module must be programed by the dealer.

Mar 29, 2009 | 2000 Saturn Ls 4dr Sedan

1 Answer

Body Module went out. Needs replacement


I think you can get one from a saturn dealer for under $400. You will have to have them program it and reset the passlock system so the mileage is correct and the car starts though.

May 23, 2008 | 2000 Saturn L-Series

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