The fault code DF048 with (3.DEF), according to CLIP, is a “multiplex error” so I assumed it was a signal missing from the CAN but if the CAN was down I would have expected a lot more codes. This was the only code in the whole car.
Maybe in Renault terminology a dedicated speed signal wire from one ecu to another is “multiplex”. I will check for that later today and open the loom in the area you suggested.
thanks
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