Just fixed my p38 range rover 2.5dhse 51 plate srs fault checked fuses and all the 6 main plugs no broken wires so diagnostic said (short circuit fault in srs warning lamp circuit 1 ) which means the instrument speedo clock as blown a bulb which is the srs bulb but changed the 2 bulbs and that solved it because on the back of the instrument panel there is srs1 and srs2 bulbs but all good now. Many thanks happy p38.