Symptom:
BMW diagnostic mux ICOM A2 System LED stays red and flashes/blink always. No problem exists after self-test and firmware update.
Solution 1:
1)-rehot hot a?r gun th?s ?c ..
2)-?f no, replace or change new one ..
3)-problem that ?c..
Solution 2:
Solution of the problem with the nonexistent fun. LED is again green.
The pulse generator to buying on auctions.
NOTE: it’s technical, so if you are not experienced, please be careful to try this; otherwise, you may destroy your Car Diagnostic Tool ICOM mux.