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Tag - ecu

2016 Cadillac XTS 3.6L Engine Control Module (PCM/ECM/ECU) Plug&Play

What is A Powertrain Control Module?

Each vehicle comes with a pre-programmed powertrain control module that monitors several car’s functions. The PCM controls most operations inside the car and is considered a diagnostic tool as well. Most engine control units are unique to the Vehicle's Identification Number (VIN) and are Plug-and-play. Sometimes referred to as the brain of the car, the PCM monitors various vehicle metrics to ensure optimum performance. The control engine module also stores error codes from defective car components. However, like most car...

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...

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