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Details about Max Cooling On-The-Fly can be found in the main article: Max Cooling On-The-Fly

Note

If you have Custom Code v7.1 or newer, see updated instructions here: [WIP] Using Max Cooling On-The-Fly

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titleCustom Code v6.9 - v7.0.x (Outdated)
Info

Using Cruise Control buttons and BC button

Tip

Usable while vehicle is in motion

Note

Only available for F-Series B46, B48 and B58 vehicles using select software versions. Support for more is on the way!

  1. Hold the SHORT UP button on the rocker switch for 2 seconds. Check Engine Light (CEL) will flash (blinking at a slow speed) (indicating max cooling selection mode is active)

  2. UP and DOWN buttons on the rocker switch will change RPM to reflect max cooling state

  3. Select your the max cooling state by pressing the RESUME or BC button (CEL will turn off and state will be updated)

Max Cooling is ENABLED when the tachometer shows 1000 RPM.

Max Cooling is DISABLED when the tachometer shows 0 RPM.

There is a ~10 second timeout which will cancel your selection if no buttons are pressed. If the selection menu times out, the max cooling state will not be adjusted and no changes will be saved.

Limitations

Note

Engine must be running.

Expand
titleCustom Code v6.0 (Outdated)
Info

Using Cruise Control buttons

Tip

Usable while vehicle is in motion

Note

Only available for F-Series B46, B48 and B58 vehicles using select software versions. Support for more is on the way!

  1. Hold the FAR DOWN button on the rocker switch for 2 seconds. Check Engine Light (CEL) will flash (blinking at a slow speed) (indicating max cooling selection mode is active)

  2. UP and DOWN buttons on the rocker switch will change RPM to reflect max cooling state

  3. Select your the max cooling state by pressing the RESUME button (CEL will turn off and state will be updated)

Max Cooling is ENABLED when the tachometer shows 1000 RPM.

Max Cooling is DISABLED when the tachometer shows 0 RPM.

There is a ~10 second timeout which will cancel your selection if no buttons are pressed. If the selection menu times out, the max cooling state will not be adjusted and no changes will be saved.

Limitations

Note

Engine must be running.

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