344: GM MOST Diagnostic

344: GM MOST Diagnostic

Author: Sean Tipping March 23, 2026 Duration: 33:34
This week on the show I share a case study on a 2017 Cadillac CT6 with no audio or display screen. This vehicle uses a copper wire MOST system that has unique diagnostic method. See the link below for more detail. https://diag.net/msg/m4fyw8nk9sugsj0ylwk7krbwkw Website- https://autodiagpodcast.com/ Facebook Group- https://www.facebook.com/groups/223994012068320/ YouTube- https://www.youtube.com/@automotivediagnosticpodcas8832 Email- STmobilediag@gmail.com Please make sure to check o...

Sean Tipping hosts Automotive Diagnostic Podcast, a series dedicated to the intricate and often misunderstood world of modern car repair. This isn't about simple oil changes; it's a deep, practical conversation focused squarely on diagnostics and the evolving technology under the hood. Each episode feels like a shop talk session where you'll hear detailed discussions on specific tools and techniques, from interpreting complex scan data to troubleshooting elusive electrical gremlins. The goal is to provide actionable ideas that genuinely sharpen your skills, whether you're a seasoned professional or a committed enthusiast looking to understand your vehicle on a deeper level. By bringing in expert voices from across the automotive field for interviews, the podcast offers diverse perspectives on real-world problems and solutions. Tuning in provides a unique blend of education and practical self-improvement, all framed within the engaging leisure of exploring how things work. If you've ever been fascinated by the logic of a repair or wanted to demystify the computers on wheels we drive today, this podcast serves as an essential resource.
Author: Language: en-us Episodes: 100

Automotive Diagnostic Podcast
Podcast Episodes
314: Crank-Start-Stall [not-audio_url] [/not-audio_url]

Duration: 31:22
Expanding on the topic from last week's episode on tips for determining if a vehicle is immobilized or not, this week I touch on the car exhibiting a crank-start-stall symptom. While an immobilizer system CAN cause this…
313: Is This Vehicle Immobilized Or Not? [not-audio_url] [/not-audio_url]

Duration: 29:44
Quite often we get called into shops for a vehicle that does not start or starts but does not continue to run and it's a perceived immobilizer issue. Sometimes it is immobilized for various reasons, but frequently, there…
312: Mario Rojas, Family, Faith, & Taking a Step Back [not-audio_url] [/not-audio_url]

Duration: 1:38:24
This week on the show Mario Rojas of Super Mario Diagnostics joins us to share his personal journey of taking a step back from the spotlight of the automotive world to focus on his family and his faith. This is an open a…
311: CAN BUS Diagnostic Tips [not-audio_url] [/not-audio_url]

Duration: 41:51
This week on the show I share some key diagnstic tips on diagnosing CAN bus faults! So much of our diagnostic work centers around communicaiton faults, and we've developed an efficant way to get to the source of the prob…
310: Andre McDonald With Blue Origin [not-audio_url] [/not-audio_url]

Duration: 1:34:08
Andre McDonald joins me on the show today to share his path from automotive technician to working for the rocket compony Blue Origin. We talk about the struggles and challenges of dealer life and the transferable skills…
308: Single Module No Communication Tips and Tricks [not-audio_url] [/not-audio_url]

Duration: 37:03
Today on the show I share my process for diagnosing a single module commuication failure. What to check for, what pitfalls to avoid, and some helpful tricks I use to be confident in my diagnosis. Website- https://autodia…
307: Nollan Worrell With Rivian [not-audio_url] [/not-audio_url]

Duration: 1:54:51
Nollan Worrell joins Tomi and I on the show today. Nollan is a trainer with the Rivian technical trades program. He'll share he journey from working at Toyota to the role he's in today, along with some knowledge about Ri…
306: Ford F-150 No Start Takes An Interesting Twist [not-audio_url] [/not-audio_url]

Duration: 45:43
This week on the show I share a case study from a 2017 F-150 3.5L that is a crank- no start. The problem ends up being intermittent in nature and ends up starting for us during test both times we visit it, but we take a…
305: Jeep Module Configuration Error Diagnosis [not-audio_url] [/not-audio_url]

Duration: 29:51
This week on the show I walk you through diagnosing a C2206 setting in the 4x4 module of a Jeep Liberty. The transfer case is stuck in 4 wheel drive and the shop has replaced several components in attempts to fix without…