This may also help. I spoke to Ilexa some months ago and virtually no one does anything for the Motronic 4.3 system. Mac tools can be configured but the price is stupid.
Yesterday, my Lambda light came on. Some months ago I bought a Sykes Pickavant acr handset, Volvo lead and versions 1 and 2 Volvo pods. Version 1 is not much use, but version 2 does seem to be able to read codes and put out warning lights. It worked a treat to day on my beast. Sealey have released a code reader very recently which is approx £225.00 from Classic Car World and it says that it will do Volvos older than ours.
May help.
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