DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681 Or P1683: Pcm Not Programmed ("A" & "B"Series): Description

This diagnostic test applies to internal microprocessor integrity conditions within the control module. This diagnostic test also addresses if PCM is not programmed. The following DTCs are not applicable to all vehicles: DTC P0601, P0602 and P1683.