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Do It Yourself Guides

Difference Between A Bad Alternator Vs Bad Battery

A bad battery or faulty alternator can result in various performance problems. Almost every car owner will have to deal with alternator and battery damages at some point. It is easy to misdiagnose the power problem blaming it on a bad alternator when the issue is really from a bad battery or vice versa. If you try to start the engine and the car won't start, it may be an excellent time to have your battery or alternator checked....

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Symptoms of a Bad Transmission Control Module

Various components make up a car. Such components work in tandem for smooth driving. Amongst these components is the TCM (transmission control module). TCM is an electronic device responsible for collecting and processing signals within the car’s transmission and controlling the shifting of the transmission gear. It works closely with the parts that depend on its functionality, such as the engine, turbine sensor, and brake pedal position sensor, among others.  Without TCM, your transmission will not be able to shift gears...

Example of an engine control module ( How to diagnose your ECM )

How To Diagnose Your Car’s Engine Control Module

The Powertrain Control Module (PCM) is also known as the Engine Control Module (Engine Computer Module), and it is the main on-board computer that monitors/controls vehicle functions. The PCM is available in nearly all modern vehicles as a single computer. Older cars have the Engine Control Module and the Transmission Control Module (TCM) monitoring engine and transmission functions, respectively. At its worst, a failing PCM might render your car inoperable. Reasons the PCM fails Powertrain Control Modules often fail because of...

Testing your ignition control module with a multimeter

Ignition Control Module Testing With A Multimeter

The Ignition Control Module is an electric switch that turns your ignition system “on and ” Off”. The ICM relies on a signal from a sensor that is located inside of the distributor which directs it to fire up the ignition coil. The ignition coil once fired up creates just enough energy for the spark plugs to do their job. The energy produced by the ignition coil should be strong enough to bridge the spark plugs together which in...

Gm engine control module and how to reset tour auto engine control module

How To Reset Your Auto Computer Easily

Understanding The Engine Control Module One of the engine computer's most vital properties is its capacity to store massive amounts of data that help provide a foundation for the powertrain control module to act restoratively within the vehicle. The control module is constantly receiving this data from a multitude of different sensors which the module uses to make adjustments in order to allow the vehicle to run as efficiently as possible. This data is instrumental for the powertrain control module...

example of a dodge cummins engine control module

The Auto Engine Control Module and When to Replace It

The act of diagnosing your auto engine control module, or ECM/PCM, can oftentimes be a long and involved process. When it comes to the control module, or electrical components in general, it is not always clear where your symptoms are originating from which can make it difficult to determine where you should begin in terms of testing and replacement. For many people, the engine control module can be perceived as a sort of enigma and when it malfunctions, it...

4 Easy Steps to Diagnose your Engine Computer (PCM/ECM/ECU Control Module)

4 Basic Steps to Diagnose your Engine Control Unit (PCM/ECM)

Today we’re going to be covering 4 methods to assist you diagnose your Engine Computer (PCM/ECM/ECU Control Module) as to whether or otherwise not it is the concern inside your vehicle. The steps we’re going to be covering are Visual Examination, a basic Exchange, utilizing a device for instance a Scanner, and Process of Elimination. 1. Visual Examination When doing a visual inspection you would like to begin by examining the PINs. You want to ensure you can find all upright...

checking the wiring on a car with a ECM fuse blowing issue

How to fix the ECM fuse blowing

Every ECM module has a fuse connected to guard it against the unexpected power surges and accidental damages. The fuse blows before any damage can strike the module. There are a lot of potential errors that can generate a fuse blow. Below, MINTT specialists are going to list the most common issues: Wiring ECM functions by getting energy from the battery. If an electrical wire gets burned or damaged, the cables pointing to the ECM is going to short-circuit. Once that...

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How To Change The Engine Computer Module (ECM/PCM) on a 2001 Dodge Pickup

REMOVAL 1-To avoid voltage spike damage to either the PCM or ECM, turn ignition to off, and disconnect negative battery cables before unplugging ECM connectors. 2-Be sure to disconnect both negative cables at both batteries. 3-Remove ECM's 50–way electrical connector bolt. (A female 4mm hex head. To remove, use ball-hex bit or ball-hex screwdriver. ex. Snap-On t 4mm SDABM4. 4-Carefully remove the connector from ECM as bolt is removed. Remove mounting bolts for ECM, then remove the ECM from your vehicle. INSTALLATION Note: Do not paint...

Dodge Caravan Engine Hood

How to Replace an Engine Computer (PCM) on 2003 Dodge Caravan 3.3L

REMOVAL A Powertrain Control Module (PCM) on a 2003 Dodge Caravan 3.3L. 2003 Dodge Caravan Power Control Module. Power Battery. Power Distribution Center. PCM Module. How to Remove a 2003 Dodge Caravan PCM Module SBEC Controller. We start with removing of SBEC Controller (Single Board Engine Controller). Disconnect the negative cable from the battery. Remove the battery shield. Unscrew two PCM bolts from the top. 2003 Dodge Caravan PCM, fig.1. 4. Disconnect two PCM connectors. 5. Remove the headlamp retaining screws. 6. Remove the mounting bolt from...

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