SPN 1037 FMI 16 is the Detroit DD Series fault-code troubleshooting sheet that documents high hydrocarbon (HC) absorption in the diesel particulate filter (DPF) on the Motor Control Module engine platform. This 3-page reference reproduces the fault-code identification and the factory decision tree so a technician can diagnose the concern before replacing parts.
Official document details
| Brand | Detroit |
|---|---|
| Model coverage | Detroit DD Series (EPA 2007-Current) |
| System / Group | DD Series (EPA 2007-Current) / DTCs |
| Fault code | FMI 16 under SPN 1037 (ALL YEARS) |
| Source | Detroit fault-code literature via TruckFaultCodes.com, © 2017 |
| Pages | 3 |
| Format | |
| Language | English |
SPN 1037 FMI 16 fault description
This three-page sheet resolves elevated hydrocarbon absorption in the diesel particulate filter through a service regeneration. The technician connects a diesel diagnostic tool and, referring to technical service letters 09TS6 for EPA07 or 10TS21 for EPA10 for background on HC absorption, starts the engine. A parked regeneration is then performed using the diesel diagnostic tool per the parked regeneration procedure in the service literature. When regeneration is complete, all fault codes are cleared and the repair is verified, restoring the diesel particulate filter to normal operation.
The SPN 1037 FMI 16 sheet identifies the following likely causes and check points:
- Elevated hydrocarbon absorption in the diesel particulate filter
- Regeneration required to restore the DPF
- Reference to TS letters 09TS6 (EPA07) and 10TS21 (EPA10)
Document table of contents
- Fault code identification
- Connect the diesel diagnostic tool
- Perform a parked regeneration
- Clear codes and verify repairs
Applicable truck models
This troubleshooting sheet applies to Detroit DD Series engines built from EPA 2007 to current that use the Motor Control Module (MCM) and Common Powertrain Controller architecture. Confirm the engine’s emissions family and calibration against the manufacturer’s official documentation at the Detroit engine website before repairs.
Who needs this SPN 1037 FMI 16 manual
Heavy-duty diesel technicians, fleet shops and mobile mechanics who retrieve this code on a Detroit DD engine need this manual to follow the factory decision tree instead of guessing. It is written for anyone using DDDL or an equivalent diesel diagnostic tool who wants the exact test values before condemning a component.
The full 3-page PDF of this procedure is available in the DiagTechPro manuals library; a free account is required to download.
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