Chevrolet and OBD2
Chevrolet vehicles transitioned to OBD2 in the year 1996, when it became a standard on vehicles produced from that year onwards. Prior to 1996, Chevrolet vehicles used the OBD-1 system. The OBD2 system provides complete monitoring and control of the engine and other vehicle devices, and the OBD2 port is utilized as a self-diagnostic and reporting tool of the engine ECU.
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Contents
What year does OBD1 end?
OBD1 was used in vehicles up to as late as 2006 and anything newer will be OBD2.
When did OBD2 become mandatory?
1996
1996: OBD2 made mandatory in USA for cars/light trucks. 2001: Required in EU for gasoline cars. 2003: Required in EU also for diesel cars (EOBD) 2005: OBD2 was required in US for medium duty vehicles.
What year did Chevy use OBD2?
All 1996 and newer model year gasoline and alternate fuel passenger cars and trucks are required to have OBD II systems. All 1997 and newer model year diesel fueled passenger cars and trucks are also required to meet the OBD II requirements.
Is my truck OBD1 or OBD2?
The OBD connector is a 16-pin connector that is usually located under the dashboard on the driver’s side. If your car has a 16-pin connector, then it has OBD2 or EOBD. If your car has a different type of connector, then it has OBD1. You can also check your car’s owner’s manual to find out which OBD system your car has.
What years are OBD1?
On-Board Diagnostics – First Generation (OBD1)
With the exception of some 1994 and 1995 vehicles, most vehicles from 1982 to 1995 are equipped with some type of first-generation On-Board Diagnostics.
Does a 1995 Corvette have OBD2?
All 95s, despite what you might read on the internet, are OBDI. They have an OBDII connector but remain OBDI.
Is a 1994 Corvette OBD1 or OBD2?
For all practical purposes the 94 is a OBD 1 system. But it does use the OBD2 ALDL connector. A OBD2 code reader will not work if you hook it up. Even though the system is an OBD1, it has some imbedded OBD2 codes but you need something like a tech1 to read them and then I don’t know how beneficial it would be any way.
Can OBD2 scanner damage ECU?
In general, it is unlikely that an OBD2 scanner will damage your car’s ECU (Engine Control Unit). OBD2 scanners are designed to be compatible with a wide range of vehicles and are typically very safe to use.
What year did Corvette get OBD2?
1996 to 2004 Corvette (OBD II): This should also work for 2005 and up.
Can OBD1 be read with OBD2?
If your vehicle is OBD1 you will require a more comprehensive tool to communicate with your vehicle. Cheap OBD2 readers will not work. If a scan tool is compatible with OBD1 protocols then it will always read OBD2 also. If the scan tool is for OBD2 only it will not work with an OBD1 car even with an adapter.
