Manufacturer communication — 2006 GMC YUKON DENALI XL

• The second procedure applies to the 2006 GMC Yukon, Yukon Denali, Yukon XL and Yukon Denali XL.

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  2006 GMC Yukon, Yukon Denali, Yukon XL, Yukon Denali XL

• Customers may say they cannot override automatic door locking; the "Doors Lock Manually" selection in the DIC was removed starting in the 2005 model year.

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  Some customers may comment that they are unable to override the automatic door locking feature. In prior model years, customers were able to select "Doors Lock Manually" from the DIC. However, starting in the 2005 model year, this selection was removed.

Possible causes

• Since the 2005 model year every BCM is factory programmed to lock all doors when the transmission is shifted into gear or vehicle speed exceeds 8 mph (13 km/h).

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  Since the 2005 model year, all BCM's (Body Control Modules) are programmed from the factory to lock all doors when the transmission is shifted into gear or vehicle speed is greater than 8 mph (13 km/h).

Repair

1. Reprogram the BCM from Tis2Web: at the "Calibration Selection" screen select "locking" and pick the calibration "(Per customer request only) Auto Door Lock option ENABLED on DIC".

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   Reprogram the BCM with updated calibrations currently available in Tis2Web. When at the "Calibration Selection" screen in Tis2Web select "locking" (should be highlighted in Red) and pick the calibration listed "(Per customer request only) Auto Door Lock option ENABLED on DIC".

2. After reprogramming, vehicles with Steering Wheel Controls (RPO UK3) get a new "Manual" selection in the "Auto Door Lock" personalization setting, next to "In Gear" and "With Speed".

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   After reprogramming the BCM, vehicles with Steering Wheel Controls (RPO UK3) can use the controls to scroll through the personalization setting to the "Auto Door Lock" feature. There will be a new "Manual" selection now available to choose, along with the two previous selections "In Gear" and "With Speed".

3. Vehicles without Steering Wheel Controls must enter the door lock programming mode described in section 2 of the owner's manual after the BCM is reprogrammed.

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   After reprogramming the BCM, vehicles without Steering Wheel Controls will need to enter the door lock programming mode procedure located in section 2 of the owner's manual.

4. In programming mode, one chime means Setting 1 (lock in gear), two chimes Setting 2 (lock with speed) and no chime Setting 3 (Manual).

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   One chime indicates you are in Setting 1 (lock in gear), Two chimes you are in Setting 2 (lock with speed) and NO chimes you are in Setting 3 (Manual).

Caution

• No new calibrations are available for the 2005 models or for vehicles with manual transmissions.

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  NO new calibrations are available for the 2005 models or vehicles with manual transmissions.