Detroit SPN 3711 EPA07 is a Detroit DD Series diagnostic trouble code (DTC) that reports that a High Idle Regeneration (HIR) was aborted because the DOC inlet temperature did not reach the 518°F minimum needed to begin dosing during an HIR. This library entry summarizes the official one-page EPA07 fault-code sheet published on TruckFaultCodes.com (Copyright © 2017) so technicians can confirm the meaning of the code before opening the full PDF.
Official document details
| Brand | Detroit (Detroit Diesel) |
|---|---|
| Model coverage | DD13, DD15, DD16 and Series 60 (DDEC VI) |
| System / Group | DD Series (EPA 2007-Current) / DTCs |
| Publication | TruckFaultCodes.com fault-code sheet, © 2017 |
| Year / Revision | 2017 |
| Pages | 1 |
| File size | 0.19 MB |
| Format | |
| Language | English |
Detroit SPN 3711 EPA07 description and steps
The Detroit SPN 3711 EPA07 sheet describes the fault as “High Idle Regeneration (HIR) Aborted – Low Exhaust Temperature” and lays out the diagnostic path Detroit expects a technician to follow. Key points from the document:
- If fault code SPN 3242 (DOC inlet temperature) is present, repair it first.
- The CEL and MIL lamps stay ON until the fault is resolved or a successful regeneration completes; retain a log file if Detroit™ Customer Assistance is required.
- Possible causes include the intake throttle valve, exhaust leaks, intake manifold leaks, charge air cooler (CAC) leaks, Jake® Brake operation, or the DOC inlet temperature sensor.
Applicable truck models
This fault-code sheet applies to Detroit DD Series engines (DD13, DD15 and DD16) built to EPA 2007 and later emissions standards, and to Series 60 engines with DDEC VI (EPA 2007). Coverage and calibration always depend on the specific chassis and engine build, so verify applicability against the vehicle before servicing. For engine specifications and warranty details, see the Detroit Diesel official website.
Who needs this SPN 3711 EPA07 manual
Fleet technicians, mobile diesel mechanics and workshop owners use this sheet to diagnose a High Idle Regeneration aborted because of low exhaust temperature quickly and to avoid replacing parts on guesswork. Keeping the exact Detroit procedure on hand shortens diagnostic time and supports a clean repair record.
The full PDF is available in the DiagTechPro manuals library; a free account is required to download it.
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