Manufacturer communication — 2006 GMC YUKON DENALI XL

• Applies to all 2000 to 2026 models.

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  All All 2000 2026 All All All

• Vehicle vibration under any of various driving conditions.

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  Some customers may complain of vehicle vibration under any of various driving conditions.

Possible causes

• Vibration could be caused by many various components and conditions.

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  Vibration could be caused by many various components and conditions.

Steps to confirm (in the document’s order)

• Drive the vehicle to verify the condition and record a Pico data file of the concern.

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  Drive the vehicle to verify condition AND record a Pico data file of the concern.

Repair

• Repair the vehicle using the Pico information along with any published information relevant to the vibration frequency observed.

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  Repair the vehicle using Pico information along with any published information relevant to the vibration frequency observed.

Caution

• Just as a check engine light is not repaired without knowing the stored DTC, a vibration should not be repaired without knowing its frequency.

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  We wouldn't attempt to repair the CEL without knowing the DTC stored, same can be said for vibrations. Without knowing the frequency we are just spinning our wheels in attempting to repair.

• Bulletin 12-03-10-001B is a generic document about tire to rim orientation and the tire slipping on the rim.

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  12-03-10-001B is generic just to make dealers aware of the possibility of tire to rim orientation and tire slipping on the rim.

• Component level vibrations such as a blower motor, brake pulsation or shudder on turns do not require a Pico file.

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  Note: This is for vehicle level vibration complaints, component level vibrations ie: blower motor, brake pulsation or shudder on turns type concerns do not require a Pico file.