This Preliminary Information communication provides information to the technician about vehicle that may have the following Diagnostic Trouble Codes U0401, U0140, P15F6, P1E00, U0100, P0562, P1553, P0AC4, C0110, C0898, P1EFC, P257F, P150D, P150E, C0899, U1860, U0293, C0196, P069E, U2608, U0101, U186B, P1ADE, P1AE0, P1E19, U0073, P1EDD, U0417, U184D, U1858, and C12E0 set as Passed /Failed. Technician will need to contact General Motors Technical Assistance Center for further assistance.
