Firstly, OBD-II is an upgrade, from the original system, in earlier vehicles.
So, with advancements in technology, came improvements, and the second generation system OBD-II was introduced. Consequently, they all use, a standardized digital communications port. And, that port provides, real-time data. And, that gives you, much faster diagnostics of a vehicle’s problem.
Choose Your Help Topic Below
P0001 Through P0099 – Trouble Codes, Fuel And Air Metering
P0100 Through P0199 – Trouble Codes, Fuel And Air Metering
P0200 Through P0299 – Fuel And Air Metering (Injector Circuit)
P0300 Through P0399 – Ignition System Or Engine Misfire
P0400 Through P0499 – Auxiliary Emissions Controls
P0500 Through P0599 – Vehicle Speed And Idle Control System
Diesel Engine, Common Check Engine Light OBD-II, Diagnostic Trouble Codes
P0008 Through U1601 – Dodge Cummins Diagnostic Trouble Codes
P0100 Through P0804 – Chev/GM Duramax, Diagnostic Trouble Codes
P1111 Through P1783 – Ford Power Stroke, Diagnostic Trouble Codes
OBD Engine Codes And Warning Lights, Are Only A Messenger
Check Engine Light (CEL) – What Can Cause It To Come On
Dash Warning Lights Only Provide A Warning, Something Is Wrong
Reduced Engine Power Warning Light – What To Do And Why?
BY DANNY BENDER