Detroit DD13 GHG14 (2014-16) Fault Code: SPN 520267 FMI 2 (MCM) Motor Control Module Engine Hours Data Erratic, Intermittent or Incorrect

NOTE: This fault usually occurs after reprogramming the CPC or MCM. The internal clocks of the CPC or MCM do not match. After reprogramming either module, all fault codes must be cleared.