Manufacturer communication — 2006 GMC YUKON DENALI XL

• Applies to all brands and models, model years 2003 - 2018.

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  All All 2003 - 2018

• The document concerns changing tire size on midsize and full size trucks and utilities.

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  Changing of tire size on midsize and full size trucks and utilities.

Steps to confirm (in the document’s order)

• If the sales guide lets you build a vehicle with the same model year, body style, engine size, transmission type, axle type and suspension type, any tire offered for that combination has a calibration available.

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  the same model year, body style, engine size, transmission type, axle type and suspension type, any tire offered for that combination will have a corresponding calibration available.

Caution

• GM will only support a tire calibration for tires that have been sized, tested and designed for that vehicle and its applications.

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  Motors will ONLY support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications.

• Do not use the tire size selection offered in the ABS module as a guide to which tires are applicable to the vehicle.

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  DO NOT use the information offered in the ABS module (tire size selection) as a guide to see what tires are applicable to

• Changing the tire size in the ABS module does not correct the speedometer, and does not change the rear speed sensor value on vehicles that get rear wheel speed from the ECM/PCM/VCM via the VSS.

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  It will not correct or calibrate the speedometer's accuracy, and will not change the calibration of the ABS rear speed sensor value on vehicles that obtain rear wheel speed data from the ECM/PCM/VCM via the VSS.

• The calibration service is not covered under the manufacturer's warranty and may cost the customer.

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  NOTE: There may be a cost to the customer for this service. This is NOT a feature that is covered under the manufactures warranty.