As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENROUTE, NR 2 PROPELLER DE-ICE CAUTION ILLUMINATED. DIVERTED AND ACCOMPLISHED UNEVENTFUL LANDING. INTEROGATED CDS FOUND FAULT TMCU 14 ON NR 2 TMCU CLEARED FAULT AND PERFORMED FUNCTIONAL TEST IAW AMM 30-61-00-720-801 PROP DEICE DID ILLUMINATE. R & R TMCU AS PRECAUTIONARY MEASURE IAW AMM TASK 30-61-06-000/400-801 FUNCTIONAL TEST GOOD. RETURNED TO SERVICE.