Transmission Control Module (TCM) for most S-8, A-8, S-6, A-6 V-8 and W12 models from 1997-2004, D2 and C5 ZF transmission. Factory replacement part, Audi PN 4BO 927 156 FH. Brand new in package, never used (wasn't the problem). Retail $1,086, $600 OBO. Text 425-894-2240