In this month’s spotlight, James from Florida provides a tip related to determining the root cause of parasitic drains resulting from modules awakening while vehicle is off (KOEO). As he points out, if you come back to the vehicle to find multiple modules awake, the
In this month’s spotlight, Chris from New Jersey addresses the issue of “noise” in scope capture. In his post, Chris identified some best practices for choosing where to connect to ground for the captures and how the choices you make can impact whether or not
A few months ago, we spotlighted an iATN post that showed how thermal imaging could be used to pinpoint the source of a parasitic drain. In this month’s spotlight, Mark from Colorado builds on the prior post by showing how he used his thermal imaging
We visit another common tool in the technician’s arsenal for diagnosing parasitic draws and other electrical maladies: voltage drop testing. In this month’s iATN spotlight, Roger from New York shows how he used voltage drop testing to diagnose a faulty relay after several other diagnostic
This month’s iATN spotlight brings us back to a familiar theme: parasitic draws and the easiest and most effective way to pinpoint their cause. In this post that includes nice images to show the effectiveness of this approach, Roger from Alberta shows how he is
This month’s iATN spotlight hits on two common topics we frequently see in technical articles and on iATN: communication network issues causing no-start or intermittent start situations and the tendency for add-on systems to be the source of vehicle electrical or electronic woes. In this
This month’s iATN spotlight is a great reminder of how the battery’s health and performance are directly tied to the proper operation of the other systems in the vehicle. When one of the other systems has an issue, poor battery performance is often one of
Today’s iATN spotlight digs into the trouble that can be caused by a shorted data bus and how such a problem can be diagnosed and resolved. In this very thorough post, Morgan from Minnesota details the process by which he identified the data bus as
Today’s iATN spotlight is a primer on backing off the electronic parking brake motor when the OE scan tool is not available. In this great post, Gene from Texas walks through the process and identifies a few things to watch for along the way, including
Today’s iATN spotlight is a second warning against trying to repurpose used control modules. In this post, James from Florida warns against installing a used BCM in GM vehicles and provides a great example of how doing so could go very, very wrong: To
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