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More BMW No-Start Fun

Last month’s iATN post was related to a no-start BMW that looked a lot like an EWS failure but turned out to be a faulty ground. In this month’s post, Jurgen from San Cristo’bal De Las Casas (Mexico) identifies anther common no-start culprit in a

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Solving a No-Start BMW

In our feature articles referencing expert advice on diagnostic strategy and success, we see several common components or guidelines that are repeated over and over, regardless the author/expert. These include having a clear diagnostic plan, following where the data/information points you and always checking for

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Replacing Chrysler PCMs

Chrysler PCMs and the intricacies of programming them can be a tricky business. In this month’s iATN spotlight, Michael from New Jersey provides tips related to used PCM calibration that could save you some time and money. As he notes, “the programming is a one

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Intermittent LAN Failure

Last month’s feature article focused on finding and resolving intermittent failures. This month’s iATN post is a follow-up of sorts. iATN rock star James from Florida provides a case study of sorts related to identifying the cause of an intermittent system problem, tracking it back

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Trailer Wiring Tip

In this month’s post, Steve from South Dakota addresses a common source of later electrical problems – connecting an aftermarket trailer. In his post, Steve shares a great tip related to wiring a trailer to a Chevy Traverse in a way that makes it work

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Is the Alternator the Issue?

In this month’s post, Louis from New York provides a diagnostic routine to quickly determine if an alternator is bad and “know for sure without messing around.” He uses the case of a 2014 Grand Caravan with 54,00 miles and a suspected failed alternator (wasn’t

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Wipers Run Constantly

In this month’s post, Todd from New Jersey provides a tip that combines several of our favorite topics: having a plan when conducting electrical system diagnostics, the importance of good grounds and using voltage drop as a key diagnostic tool. In this instance, he used

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GM Start-Stop Meltdown

In this month’s spotlight, James from Florida highlights a common issue related to GM Start-Stop systems which, if not managed properly, can result in a variety of issues for the vehicle owner. As he notes, there are several dos and don’ts when replacing the primary

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Pinpointing a Keyless Entry Problem

In this month’s spotlight, Wade from Colorado takes us on a mystery tour to find the source of a keyless entry problem on a Lexus SC-400. In his quest to resolve the issue, he walks through his diagnostic process, emphasizing the importance of wiring schematics

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Managing the Nissan Leaf Battery

In this month’s spotlight, Jack from California provides tips related to service of the Nissan Leaf battery and battery management system. His post is very instructive and thorough, noting for instance that successful replacement of the Li-Ion Battery Controller isn’t the end of such a

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