BTW, When I look up the Peake codes I get: -
Table 0F -
8D - Engine Cooling Fan Control
Table 18 -
8F - E-box Fan
And the other code you got: -
Table 0F -
7D - Radiator outlet temperature sensor
Table 15 -
7D - Coolant fan final stage
Table 19 -
7D - E-fan
Table 27 -
7D - Signal Lambda probe before KAT
Table 61 -
7D - Signal Lambda probe before KAT
HTH....