Solving a Parasitic Draw on a Ram 2500

Here’s a very informative video by Justin in California, where he tracks down the root cause of an excessive parasitic drain on a 2019 Dodge Ram 2500 Big Horn. First, he lays out the customer’s complaint and the details related to it. He then reviews

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Resources
Great Scope Resource

We’re changing it up a little this month. So many of our past resource articles reference the use of a scope as a critical tool used as part of the diagnostic process. In addition, many of our feature articles are similar in that the topic

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Supply Chain Surprise!

This is a quick one, but one you’ll want to read if you find yourself diagnosing errors on vehicles built in the last two years. Gery from Florida ran across an issue (after several diagnostic steps) that appears to be a function of the unique

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Redeploying a Used Module – Do this First!

Many of our previous posts, whether in this category or in our feature article category, have noted the importance of having a diagnostic strategy. Often, this involves something along the lines of “Order of Operations” that we all learned in grade school math: if you

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Don’t Be Like Me

This month, we turn to Jeffrey in Illinois, who warns us to, “Don’t Be Like Me.” We love a good self-deprecating how-to piece where the author shows how they made a mistake and then teaches others to avoid said mistake. That’s reality and we’ve all

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Immobilizer End Run

This month’s resource piece provides some excellent information when you’re faced with a difficult vehicle that requires a key relearn but communications or other errors are preventing you from programming new keys. In the quick but informative case study on Diagnostic Network, Kevin from Manitoba

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Getting Paid for Diagnostic Work

This month’s resource piece is a little different, in the sense that, although it does provide a good case study on a tricky diagnostic issue, it also raises the question of proper compensation for diagnostic work. In it, our old friend Michael from Utah recounts

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Resources
Searching for Waveforms on Diag.net

This month’s resource piece is a quick, but very useful, one. In it, Diagnostic Network founder Scott Brown provides tips on how to search the waveform library on Diag.net. He provides three different search strategies to make it as easy as possible to see if

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CAN Bus Prevents Vehicle Renewal

We return once more to Bob from Massachusetts (he’s on a serious roll with great case studies!), who shared a tricky diagnosis on a “no communication” 2016 F-350 Super Duty. The funny thing is, the vehicle operated fine (apparently), but when taken to an inspection

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