Lost Comm During Reflash, What to Do?

So, you’re cruising along with a reprogramming job and you lose communication with the vehicle. What’s worse, you haven’t completed the key relearn yet. Now…

Is ECM Really the Culprit?

Here’s a great reminder posted by Mike from Ohio not to jump too quickly to condemn a module. In his case, it was an ECM,…

Battery Temperature Too High

Here’s a quick, useful tip from Alexander in Illinois related to a P1492 error code on a Chrysler 300M. Using vehicle data and a logical…

Electrical Issues Impact Everything

Usually, when we address electrical issues in our spotlight, it is related to how an electrical problem prevents a vehicle from starting or renders the…

CKP or CMP? Follow the Scan Data

We have highlighted numerous examples of communications issues in the past, emphasizing how vehicle data could be saying one thing while another issue is the…

GM MOST Bus Diagnosis

We’re back with another extremely useful tip from GM Master Technician James from Florida, this time related to diagnosing GM MOST Bus issues. In this…