What kind of diagnostics can OnStar do on a car?
Also referred to as OVD, OnStar Vehicle Diagnostics can run a thorough check of a vehicle’s various systems, including its engine, transmission, antilock brakes and more. OVD can also perform an on-demand diagnostics check when the vehicle is being driven.
Where is the Check Engine light on a car?
What this means is all cars use a standard connector and communication method for retrieving diagnostic data gathered by a car’s computers. As a result, anyone can obtain the tools needed to plug into a port, usually located under the dashboard on the driver’s side, and read the code indicating why the check engine light went on.
Can a check engine light be used as a diagnostic tool?
Before you turn the car around and drive straight to an auto mechanic, you could try using a check engine light diagnostic tool and figure out the problem yourself first. Since 1996, all vehicles sold in the United States have been required to meet a common standard for the computer interface.
What is the star diagnostic tool for Mercedes Benz?
Mercedes Star Diagnostic Tool and Software. Let’s first explain what Star Diagnostic SD (C3 or C4 SD Connect) tool is for those who may be wondering. This is the diagnostic scanner that is used at Mercedes-Benz dealerships and some auto repair shops. It can also be purchased by independent shops.
What to do if your car has a check engine light?
We get it. OnStar is there for you if a problem occurs on the road. If the “Check Engine” light comes on or you have a concern while you’re driving, just push the blue OnStar button and ask the Advisor to run an On‑Demand Diagnostics*21check.
What is the DTC code on a check engine light?
Diagnostic trouble codes (DTC) are automotive computer codes stored by the on-board computer diagnostic system (OBD) in your vehicle. There are literally hundreds of different codes a Check Engine Light can represent.
How to read and understand check engine light ( OBD )?
You will need an OBD scan tool. The scanner allows you to communicate with the computer and retrieve the trouble codes. Certain scanners may give information on what the revealed code means, but most will just give a five digit number and letter combination. Follow these 4 steps to insert and read the OBD scanner:
How does OnStar diagnostics work on my car?
Diagnostic and Proactive Alerts are available to Basic Plan Members, while on-demand diagnostics are available only to Members with paid service plans. How do I perform a diagnostic check on my vehicle? Just push the blue OnStar button. An Advisor can run a diagnostics check and tell you if there is a maintenance issue that requires your attention.