The Detroit MCM engine hours fault-code sheet is a Detroit DD Series (EPA 2007-Current) troubleshooting document for engine-hours data that the MCM reports higher than expected. It reproduces the official fault identification, the monitored parameters or service notes printed on the document, and the recommended diagnostic actions a heavy-duty technician follows step by step.
Detroit MCM engine hours document details
| Brand | Detroit |
| Model coverage | Detroit DD Series engines (DD13, DD15 and DD16) from EPA 2007-Current, with equivalent coverage noted for Series 60 (DDEC VI) applications. |
| System / Group | DD Series (EPA 2007-Current) / DTCs |
| Publication no. | Not printed on document; sourced from Detroit Power Service Literature |
| Year / Revision | © 2017 |
| Pages | 1 |
| File size | 0.2 MB |
| Format | |
| Language | English |
Document table of contents
- Fault code identification — SPN 247 / FMI 0
- Note: shared CPC and MCM SPNs
- Cause: module reprogramming and clock mismatch
- Corrective action: clear fault codes
Applicable truck models
Detroit DD Series engines (DD13, DD15 and DD16) from EPA 2007-Current, with equivalent coverage noted for Series 60 (DDEC VI) applications. Fault code SPN 247 / FMI 0 is diagnosed with a diesel diagnostic tool such as DDDL or DDRS. For factory procedures and the latest module software, see the Detroit Diesel official website.
Diagnostic steps and checks
This information note explains that the Common Powertrain Controller digital outputs share SPNs with some Motor Control Module faults and that the diesel diagnostic tool distinguishes the MCM from the CPC. The fault typically appears after the CPC or MCM has been reprogrammed and the module internal clocks no longer match; the corrective action is to clear all fault codes after any module reprogramming so the stored engine-hours data realigns and the code does not reset.
Who needs this Detroit MCM engine hours manual
This troubleshooting sheet suits Detroit-certified technicians and independent heavy-duty workshops that read SPN 247/FMI 0 on a scan tool and want the factory decision tree, pin references and component checks before replacing parts.
The full PDF is available in the DiagTechPro manuals library; a free account is required to download it.
Related manuals library
