VW Electric Brake Servicing

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 making sure not to awaken…

The Perils of Used BCMs

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 see the original post at…

Charging System Diagnosis

Today’s iATN spotlight is focused on identifying the source of an intermittent “Check Charging System” message at idle. In his post, James from Florida shows how he uses graphs of the L terminal and F terminal scan data to confirm his diagnosis: To see the original post at www.iATN.net, click…

Got Good Ground?

I utilize a quick, reliable methodology for diagnosing vehicle charging system, starting system and drivability issues. It typically takes just 2 minutes and is based on proving that the ground system is functioning properly on every car or truck before moving on to more extensive diagnosis. I perform this test…

A No-Start Issue of Strange Origin

Today’s iATN spotlight is focused, like many we have spotlighted in the past, on an intermittent no-start issue, this time on a 2012 Ford. Unlike previous examples, this one did not originate with faulty wiring or a defective component. Diagnosis was further complicated by the fact that the problem did…

Test all the Batteries

In this instructive post that complements this month’s featured article, James from Florida breaks down the Start-Stop system found in the 2014 Chevrolet Malibu. In it, he covers the key system components and illustrates how he diagnosed a problem system. To see the original post at www.iATN.net, click on the…

Call in the IT Guy

In this informative post, Matt from Minnesota identifies a software quirk that can derail a flash reprogram, in this case on a 2011 Nissan Altima. With the help of his neighbor and “IT Guy”, he was able to narrow the issue to a file name incompatibility. It even managed to…

Tricky Starter Failure Mode

In this post, Bill from Ohio recounts the tale of a late model Camry with just 40K miles experiencing intermittent no start issues. It had been back to the dealership several times with no problem found. Bill got a call from his customer while the vehicle was having the problem…