SPN 513 FMI 9 is a Detroit fault code reference sheet that documents the actual torque signal not available via CAN diagnostic for DD Series engines built to EPA 2007 and later emissions standards. This single-topic page reproduces the factory-style test order Detroit dealers and independent shops follow for the actual torque message on the CAN bus, from confirming related codes through to the final repair decision.
Official document details
| Brand | Detroit |
| Model coverage | DD Series (EPA 2007-Current) |
| System / group | Diagnostic Trouble Codes (DTCs) |
| Suspect Parameter Number | 513 |
| Failure Mode Identifier | 9 |
| Emissions revision | GHG14 |
| Source | Detroit fault code sheet (© 2017, www.TruckFaultCodes.com) |
| Pages | 1 |
| File size | 0.22 MB |
| Format | |
| Language | English |
SPN 513 FMI 9 troubleshooting steps
The sheet lists the ordered checks Detroit publishes for this code, so a technician can rule out network and power-supply faults before condemning a switch, sensor or module. The main steps are:
- Confirm whether the Aftertreatment Control Module (ACM), Motor Control Module (MCM) or Common Powertrain Controller (CPC) has been recently reprogrammed; if so, clear the codes and release the vehicle if they stay inactive.
- Turn the ignition OFF, disconnect DDDL/DDRS, and wait five minutes for all modules to power down.
- Turn the ignition ON, reconnect the diesel diagnostic tool, and check whether the fault codes are active.
- If they are active, follow the SPN 625 / FMI 9 procedure for further powertrain Controller Area Network (CAN) troubleshooting; otherwise clear the codes and release the vehicle.
Applicable truck models
This code applies to Detroit DD Series diesel engines (EPA 2007 to current) and, for the shared driveline codes, to Series 60 (DDEC VI) installations that use the same Common Powertrain Controller and Motor Control Module architecture. Coverage is defined by the engine and control-module configuration rather than the truck badge, so confirm the exact build against the current model line on the Detroit Diesel official website.
Who needs this SPN 513 FMI 9 manual
This SPN 513 FMI 9 manual is written for diesel technicians and DD Series fleet owners who are diagnosing a missing actual-torque CAN message and want the exact Detroit test order before ordering parts. Following the documented sequence keeps unnecessary sensor and module replacements to a minimum.
The full PDF is available in the DiagTechPro manuals library; a free account is required to download it.
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