Depending on the year and other factors, they might not have all the applicable networks.Īlthough each vehicle manufacturer has the right to make the OBD port as it sees fit, some requirements are standard. (See the accompanying diagram.) Not all Fords have all 16 slots filled. The changes were subtle at first but have evolved in complexity and sophistication, so much that, in my opinion, Ford’s networks now surpass those of other domestic and Asian manufacturers and come just short of the those designed by European automakers.īefore jumping into tools and protocols, by which vehicle modules communicate either with other modules or with scan tools, I want to discuss the onboard diagnostics (OBD) port, now known as OBD-II, and what some of the 16 slots control. The changes in programming with regard to Chrysler vehicles are well-known.
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