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Isuzu US-IDSS 2024 Diagnostic is a comprehensive tool for the effective maintenance and repair of Isuzu vehicles. It integrates advanced diagnostic features to assist technicians in identifying and resolving issues promptly. This system supports a wide range of Isuzu models, ensuring compatibility with both US and Canadian specifications. Its capabilities include vehicle recognition, fault code analysis, and real-time data access to streamline the diagnostic process.
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Detroit DD15 GHG14 (2014-16) Fault Code: SPN 3711 FMI 31 (MCM) High Idle Regeneration (Aborted) – Low Exhaust Temperature

NOTE: The fault indicates that the High Idle Regeneration (HIR) was aborted due to the Diesel Oxidation Catalyst (DOC) inlet temperature not reaching the minimum of 270°C (518°F) to initiate dosing during an HIR. The CEL and MIL lamps will remain ON until the fault is resolved or a successful regeneration is completed.

NOTE: Please see the step by step troubleshooting procedures for this specific code.

NOTE: If codes 3242-xx exist, fix those first.

PROBABLE CAUSES:
1. Intake throttle valve failure.
2. Exhaust leaks.
3. Intake manifold leaks.
4. Charge air cooler leaks.
5. Jake brake operation (Not turning on).
6. DOC inlet temperature sensor.
7. ECM failure.
8. Jack brake rocker arm shaft not installed properly or failed.

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