[86burgandyss]

Just bought my wifa an envoy several months back. On her way home the CEL came on. I went out to pull the code but can not find the diagnostic port under the dash like on our trucks. Does anyone know where it is. I am a member on the envoy forum, but posted a question several months back that still has not been answered.

 

[down_hiller]

OBD Clearinghouse

I'm not sure what year you have but this should help

 

[Tow Master]

IIRC it might be covered up by a small plastic shield under the steering wheel somewhere.

I have seen them in the glove box on a few GM vehicles