The Detroit engine speed high fault-code sheet is a Detroit DD Series (EPA 2007-Current) troubleshooting document for an engine-speed-high information event above 2500 rpm. 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 engine speed high 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 | 0.1 MB |
| Format | |
| Language | English |
Document table of contents
- Fault code identification — SPN 190 / FMI 0
- Information code: MCM engine-speed detection
- Cause: speed above 2500 rpm
- Recommended action and DDEC reports
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 190 / 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 code records that the Motor Control Module detected an engine speed greater than 2500 rpm for a defined period of time. It carries no repair procedure; the recommended action is to question the driver about the vehicle operating conditions, obtain a copy of the DDEC reports, and contact the Customer Support Center for further instructions. Because the event is informational, no derate or component replacement is called for on the DD Series engine.
Who needs this Detroit engine speed high manual
This troubleshooting sheet suits Detroit-certified technicians and independent heavy-duty workshops that read SPN 190/FMI 0 on a scan tool and want the factory decision tree, pin references and component checks before replacing parts.
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