HI I have a fiesta 1.4 diesel where the engine light and heater warning light do not come on when the ign is swithed on but come on when the cluster is self tested . also with normal diag tools and my scangauge, will not connect with the ECU (no communication)I bought Ford specific software and managed to connect with the ECU . Í managed to test 4 modules BDM ,Air Bag ,module BCM.& PCM & all tested OK But I am not getting any engine data back ,I would also add that I have changed the ECU and its just the same . I am thinking I have got a can line fault but I am not sure what to disconect to try to find it . the eml does not come on, even when there is an engine fault.
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