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Reading DTi faults with Maxidiag FR704
Two days ago I took delivery of an FR704 which I hoped to use to diagnose the MIL on my S-reg Renault Megane Scenic DTi.
When I try to read the engine codes, I get "tester not communicating with controller".
It reveals codes from the ABS and airbag modules, although neither light is illuminated on the dash.
I've tried with both the ignition on and the engine running.
Does anyone have any ideas what I'm doing wrong?