Module Swap Resource
So, this one isn’t about a specific fix, but about a class of information that can be very useful to shops and technicians in saving
No Spark / No Crank / No Start Diagnosis
Use Your “Ignition Inner Child” to Resolve No Spark Diagnosis As noted in this article by Andrew Markel on UnderhoodService.com, in the old days, no
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
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
Key Programming, Immobilizer Systems – Jumping on the Complexity Train
As with almost every system in the modern vehicle, the key / ignition system has progressed considerably in the last twenty years, resulting in today’s
EVs Also Have Diagnostic Rabbit Holes
For this month’s tech resource, Martin from British Columbia reminds us that EVs can present difficult diagnostic challenges just as much as ICE vehicles. In
Charging System Diagnostics and Repair
Diagnosing modern vehicle charging systems is no easy task. As Albin Moore pointed out in a guest article several years ago, the days of checking
In-Vehicle Network Technologies
Diagnosing communications issues within and among vehicle networks can be very tricky business. A key component to successfully pinpointing and addressing these issues is having
Benefits of a Diagnostic Game Plan
In these pages, we have emphasized the importance of having a diagnostic plan when it comes to resolving intermittent electrical system faults. As the experts
Charging System Diagnostic Resources
Photo by Jason Young This month, we return to alternator/charging system diagnosis, a topic that seems to get more difficult with each successive model year.