SUBJECT DME Erroneous Super-knocking Faults. When decelerating with the engine speed dropping from 5,000 rpm to 4,500 rpm, one of the following erroneous super-knocking faults may be stored in the DME: z FC 152108 - Super-knocking in cylinder 1; injection cut-off z FC 152208 - Super-knocking in cylinder 2; injection cut-off z FC 152308 - Super-knocking in cylinder 3; injection cut-off Always in conjunction with FC 152D08 (Super-knocking, injection cut-off). These stored faults do not cause any drivability complaints or engine warning lights. The fault codes are detected during diagnosis for unrelated work. CAUSE DME software error.
