The SPN 94 FMI 15 document is a Detroit DD Series diagnostic trouble code guide covering the fuel filter service warning condition and its step-by-step troubleshooting. This 1-page PDF is compiled from the TruckFaultCodes.com Detroit fault codes reference (© 2017) for the DD Series (EPA 2007-Current) / DTCs set. It is written for workshop diagnostics rather than general reading.
Official document details
| Brand | Detroit |
| Model coverage | Detroit DD Series (EPA 2007-Current); Detroit Series 60 (DDEC VI – EPA 2007) |
| System / Group | DD Series (EPA 2007-Current) / DTCs |
| Diagnostic trouble code | SPN 94/FMI 15 — Fuel Filter Service Warning |
| Publication no. | Not stated (TruckFaultCodes.com DTC reference) |
| Year / Revision | © 2017 |
| Pages | 1 |
| File size | 0.1 MB |
| Format | |
| Language | English |
SPN 94 FMI 15 document sections
- Fault code identification: SPN 94/FMI 15 — fuel filter service warning
- Meaning: the engine fuel filters must be replaced
- Using the FIS Fuel Filter service routine after replacement
- Selecting Reset Values to reset the filter accumulator
Applicable truck models covered
The SPN 94 FMI 15 fault applies to the models below. This procedure covers Detroit DD Series (EPA 2007-Current); Detroit Series 60 (DDEC VI – EPA 2007) engines equipped with the Motor Control Module. The steps reference the systems named in the extract only — fuel filter service components, harness connectors and, where present, the MCM 120-pin connector. Confirm engine and emissions configuration against the vehicle build before ordering parts; verify current procedures on the Detroit Diesel official site.
Who needs this 94 FMI 15 manual
This reference suits service advisors and technicians confirming a Detroit fuel-filter maintenance replacement and accumulator reset. Every troubleshooting step and decision branch from the original PDF is preserved so the on-vehicle diagnosis can be followed in sequence. Use it alongside a Detroit-compatible scan tool such as DDDL or DDRS.
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