For everyone who has the MK70 ABS module in their Golf Mk5s (usually with controller ending in P), the AF version of the controller works perfectly for an upgrade to a white cluster.
All thats needed is to move th loop wire's pin 19 to pin 17.
Thanks to Eddie-NL that tipped us off on this fact. Following the wiring diagrams on ErWin showed which wire to move.
The black cap clips off by using a thin flat screwdriver to get under the 2 clip positions on each side. Just cut off the cable tie that goes around the wiring and reolace afterwards.
The pink sliding clip on the bottom picture allows you to pull the wire from the connector and I used a sewing needle to pull the white cap from the empty pin 17.
After this I cleared the error code and just programmed it again with the code I previously coded after replacing the controller.
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