How to Use an OBD2 Scanner: A Beginner’s Step Guide
Learn how to use an OBD2 scanner: find the port, read trouble codes, decode the P0xxx format, and why clearing a code never fixes the problem.
Check Engine Light On But Car Runs Fine? Scan It First
A steady check engine light on a car that drives normally usually isn’t an emergency, but scan the code to be sure. A flashing light means stop now.
OBD2 Scanner ABS and SRS Codes: Why Cheap Readers See Nothing
Warning light on, reader says no codes found. That is not an all-clear. OBD2 only guarantees powertrain data, and ABS and airbags sit outside it.
Dash Cams for Vans, Trucks and RVs: What Changes
Bigger vehicle, four different problems: system voltage, cable distance, a rear window that may not exist, and a parked vehicle someone might be sleeping in.
How to Read a Dash Cam Spec Sheet Without Being Fooled
Five substitutions turn up again and again in dash cam listings. Learn them and you can compare two products honestly instead of comparing their marketing.
Permanent OBD2 Code: Why Your Scanner Cannot Erase It
Your scanner cleared everything except one code. It is not faulty. Permanent DTCs cannot be cleared by any scan tool, by regulatory design. Here is why.