how do i tell if my transmission is OBD1 or OBD2

Asked by Jan 12, 2018 at 09:46 AM about the 1995 Chevrolet Blazer

Question type: Maintenance & Repair

2 Answers


It's a '95, so it's OBD-1. OBD-2 started in 1996.

1 of 1 people found this helpful.

Yep, that's right. And no, and OBD2 tranny will not work in and OBD1 vehicle or and OBD1 tranny work in an OBD2 vehicle.

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