SPN 3510 supply high is documented in this Detroit DD Series fault code reference PDF, which covers the 5V Sensor Supply Bank 2 Circuit Failed High condition on Detroit engines. The 1-page document lists the fault description, the step-by-step troubleshooting sequence and the connector measurements a technician uses to confirm the repair.
Official document details
| Brand | Detroit |
|---|---|
| Model coverage | Detroit DD Series (EPA 2007-Current) engines across all model years using the MCM |
| System / group | DD Series (EPA 2007-Current) / DTCs |
| Diagnostic code | FMI 3 / SPN 3510 |
| Year / revision | Source dated 2017 |
| Pages | 1 |
| File size | 0.2 MB |
| Format | |
| Language | English |
Document table of contents
- Fault code identification: SPN 3510, FMI 3
- 5V sensor supply bank 2 failed high
- Short to power description
- Affected MCM pin table
- Harness inspection and repair
Applicable truck models and engines
This fault code applies to Detroit DD Series (EPA 2007-Current) engines across all model years using the MCM, and the DiagTechPro library also files it under the Series 60 (DDEC VI, EPA 2007) DTC set. The diagnostic references the Motor Control Module (MCM) used on these Detroit powertrains. See the manufacturer’s Detroit official website for current engine specifications and dealer support.
SPN 3510 supply high troubleshooting overview
This short reference explains that the Motor Control Module (MCM) has detected a short to power, above 5.3 volts, on one of the MCM pins listed in the document’s table. The prescribed action is to inspect the harness serving those pins and repair it as necessary. By naming the failure threshold and the affected sensor supply bank, the page directs the technician to the wiring most likely at fault before any component is replaced.
Who needs this SPN 3510 supply high manual
Detroit-certified technicians, independent truck repair shops and fleet maintenance teams will use this reference to follow the factory diagnostic sequence with a diesel diagnostic tool before replacing any control module or sensor.
The full PDF is available in the DiagTechPro manuals library; a free account is required to download it, alongside the related Detroit Power Service Literature.
Related manuals library
