C15 – 0071-00 Idle Shutdown Override (01)

Conditions Which Generate This Code:

The ECM detects one of the following conditions:
• The “Allow Idle Shutdown Override” parameter is programmed to “Yes” and the status of the brake
switch or the clutch switch changes.
• The “Allow Idle Shutdown Override” parameter is programmed to “J1587 Outside Temp Based”
or “Outside Temperature Based”. The outside temperature is above the maximum programmed
temperature or the outside temperature is below the minimum programmed temperature.

The ECM also detects the following conditions:
• The idle shutdown timer is within the final 90 seconds.
• The “Idle Shutdown Time” parameter is programmed to at least three minutes.

System Response:
The idle shutdown timer stops counting.
“OVERRIDE” will be displayed next to the status for “Idle Shutdown Status” on the electronic service tool.

Note: The idle shutdown timer will not begin counting again for shutdown until the vehicle is
moved and the accelerator pedal is depressed.
Customer passwords are required to clear this diagnostic code.

Possible Performance Effect:
None

Troubleshooting:
Perform the following diagnostic procedure: “Idle Shutdown Timer – Test”

Results:
• OK – STOP.

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