Check Engine Light just might be a Transmission Code….. Electronic Transmission 101 MotorTrend TV RACER Network REV TV Canada Rev'n #Automotive #Automotivetraining #Diagnostics | Johngardnertv

🛠️ Smart Diagnostics Start with the Right Tools! Today, our go-to technician Danny Sehmi is under the hood of a 2012 Mercedes C220, chasing down an engine light and a fault code pointing to an "electrical fault" in the coolant circulation pump — but as always, there's more to the story. 👀 🔍 With the Power Probe III (PP3), Danny quickly confirms signal presence. Then, using the DM500Max, he verifies resistance on the coolant pump bypass valve — the actual root of the problem. ✅ The verdict: a