C15 – 0052-11 Air Inlet Shutoff Shutdown (00)

Conditions Which Generate This Code:
This code indicates that the engine was shutdown due to an engine overspeed condition.

The Engine Control Module (ECM) detects the following conditions:
• Engine speed is greater than 2500 rpm.
• “Air Inlet Shutoff Relay Control” is programmed to J2/P2:13.
• There is no detected vehicle speed.
• There are no active vehicle speed faults.
• All required interlocks are set.

System Response:
The ECM will disable the unit injectors and the ECM will activate the air inlet shutoff relay.

Possible Performance Effect:
The engine will shut down.

Troubleshooting:
Talk to the Operator
Determine the reason for the engine overspeed.

Results:
• OK – The reason for the engine overspeed was determined. STOP.
• Not OK – The reason for the engine overspeed was not determined.

Repair: If there is a problem with the air inlet shutoff circuit, refer to Troubleshooting, “Air Inlet Shutoff Circuit – Test”.
STOP.

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