Subaru Won’t Run Right After Dead Battery

The battery on a 2000 Subaru Legacy got drained due to an error on the part of the vehicle owner. Now, it stalls out after a start. Michael from Utah provides this quick case study, relaying how he resolved the problem in a very non-intuitive way. Awesome sleuthing and well…

Quick Tip to Solve a Big Problem

This is a quick one, but very worthwhile. Dave from Ohio alerts his fellow techs about a really weird phenomenon where a simple piece of aftermarket bling in the vehicle cabin can result on a no start condition. Without this tip, you could waste a lot of time chasing down…

OE-Specified Voltage Environment for Reprogramming

When it comes to vehicle reprogramming, there is one constant, and that is the need for a stable voltage environment to ensure a successful reprogramming event. No matter what your reprogramming tool of choice is, be it OE tool, aftermarket tool or pass-through device, each OE has a recommended target…

PCM Reprogramming Leads to a More Basic Fix

In this very helpful post from Michael from Utah, he walks through his diagnostic process on a 2007 Jeep Liberty, for which he was brought in to reprogram a replaced PCM. When the original complaint was not resolved after a successful reprogram, he went back to the drawing board. Using…

Honda Crank Profile Relearn Tips

Another one to file under, “Is it Hardware/Is it Software/Is it a Network Problem?” In this very helpful post from Bob in Massachusetts, he walks through his diagnostic process on a 2009 Accord that had a previous unsuccessful repair attempt. Based on an initial review of vehicle data, he thought…

Resolving a No Crank Condition on a 2012 Ram with TIPM

Last month, in our featured article, we highlighted a piece from Underhood Service that provided a review of the Chrysler TIPM, highlighting how it was configured and why it can be difficult to diagnose the source of electrical system problems on vehicles equipped with it. This month’s technical tip brings…

Time Saving Alternator Replacement Tip

Techs often reference the fact that the recommended service procedures aren’t always the fastest or easiest ways to accomplish necessary repairs. Here’s a great example provided by Eric from Illinois. He saw several potential potholes in the recommended procedure for an alternator replacement on a 2015 Nissan Pathfinder. So, he…

A Hidden Battery? Watch out!

One of the trickiest parts of electrical system diagnosis is the possibility that a second battery is lurking in the system. The second battery could have a wide variety of purposes, such as functioning as an auxiliary power battery within a Stop/Start system design. But, if you don’t know it’s…