In the Last diagnostics article, we outlined how to retrieve and decipher engine diagnostics for engines running OBD-I engine management computers. OBD or On Board Diagnostics is a subsystem of the ...

Car owners dread few things quite as much as a vehicle's "Check Engine" light. However, the dreaded signal doesn't always foretell a worst-case scenario for motorists. They can even help prevent ...

A typical engine has about 150 diagnostic trouble codes, according to Dave Costantino, director of the commercial vehicle group at Mitchell 1, a provider of diagnostics software. DTCs are codes used ...

Not sure how to interpret a fault code on your car? Our complete guide explains everything. A standard DTC list was created by the Society of Automotive Engineers (SAE). Cars and light trucks ...

On-board diagnostics, or OBD, is a system that is used to monitor and diagnose problems with a vehicle. It can be used to track things like fuel consumption, engine performance, and emissions. OBD ...

If you've ever seen a port by your car's dashboard that can't charge your phone or provide auxiliary power from your vehicle's battery, there's a good chance that it is an OBD (On-Board Diagnostics) ...