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Coupler HVAC > < A/C - Loss of Mode or Temperature Control|Page 12178

K 3500 Truck 4WD V8-6.0L VIN U (2002)

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Important: Do not adjust any controls on the HVAC control module while the HVAC control module is calibrating.

If interrupted improper HVAC performance will result.

5. Start the vehicle and let run for one minute.

Coupler HVAC > < A/C - Loss of Mode or Temperature Control|Page 12178