What’s Waking the Modules?

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 trick is to figure out…

Another Approach to Parasitic Draws

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 using a recently purchased thermal…

The Evolution of the Electrical System

This is the next in a series of articles that survey the latest thoughts and trending topics within the realm of vehicle electrical and electronic service. One current that has run through each installment is how quickly and dramatically vehicle electrical systems are changing. In last month’s article, our guest…

The Revolving Parts Door

Here’s a great post highlighting the cost of inaccurate or incomplete part data. In this case, it was a parasitic drain, ultimately attributed to a driver’s door module, on a 2007 Jetta. But, finding the cause of the drain was just the beginning, as you will see: To see the…

High Season for No Start Conditions

In this article, we gather resources related to the diagnosis and repair of no start conditions. Each year, the incidence of starting and charging system issues rises as the mercury drops. Below we highlight several vehicle-specific issues you should know about and provide links to useful resources related to electrical…

iATN Spotlight Post – Is it Really Off?

We have posted many resources to our site related to parasitic drains, but this is a new one on us. In this great post, Adrian highlights yet another area to check when searching for an intermittent parasitic draw. On the referenced Intrepid, the key could be removed when not in…

Battery/Starting System TSB Roundup

                      This month, we survey OEM TSBs for known problems in vehicle charging and starting systems.  Our roundup encounters a variety of issues on several different makes and models: – The potential for shorting out the TCM when jump starting…

iATN Spotlight

In a new feature starting this month, we shine the light on the many insightful and creative posts to be found on the International Automotive Technicians Network at www.iATN.net. In this post, contributor Steve Caruso (Automotive Educator, Automotive Consultant and chief at obd2training.com) provides detailed findings related to his research…