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Selected vehicle: 2006 · GMC Yukon XL Denali

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Source reference 10137446

Manufacturer communication — 2006 GMC YUKON DENALI XL

Fitment confirmedReporter type: ManufacturerTIRESWHEELS

Relation to the target vehicle

  • The source's vehicle field includes the trim.
Model year
Match 2006 — Source vehicle field
Model
Match YUKON DENALI XL — Source vehicle field
Trim
Match Denali — Source vehicle field

What the manufacturer’s document says

PI0695A ・ fault and correction ・ names this vehicle

Applies to

  • The model list includes 2008-2013 GMC Yukon models.

    the passage
    2008-2013 GMC Yukon Models

  • It covers all vehicles built prior to November 1, 2012.

    the passage
    All Built Prior to November 1, 2012

Fault

  • Some customers may comment that the HVAC blower motor is not functioning, or that there is no air flow from the HVAC vents.

    the passage
    Some customers may comment that the HVAC blower motor is not functioning. They may also comment that there is no air flow from the HVAC vents.

Finding the cause

Possible causes

  • One possible cause is the contacts in the HVAC junction block(s) located at the right side of the instrument panel.

    the passage
    One possible cause of this condition may be the contacts in the HVAC junction block(s) located at the right side of the instrument panel.

Steps to confirm (in the document’s order)

  1. With the ignition key on, turn on the HVAC blower and apply light hand pressure to the connectors to see whether the movement affects blower operation.

    the passage
    With the ignition key in the on position, turn on the HVAC blower and apply light hand pressure to the connectors. Determine if this movement affects the blower operation (intermittent operation).

  2. Locate Pin A6, Circuit 754, and perform a pin drag test using test probe J-35616-2A (GY); if the terminal fails, replace the terminal for Pin A6, referring to Junction Block - Right I/P X4 in SI.

    the passage
    Locate Pin A6, Circuit 754. 3. Perform a pin drag test using test probe J-35616-2A (GY). 4. If the terminal fails the pin drag test, replace the terminal for Pin A6. Refer to Junction Block - Right I/P X4 in SI.

  3. Locate Pin A, Circuit 542, and perform a pin drag test using test probe J-35616-42 (RD); if the terminal fails, replace the terminal for Pin A, referring to Junction Block - Right I/P X6 in SI.

    the passage
    Locate Pin A, Circuit 542. 3. Perform a pin drag test using test probe J-35616-42 (RD). 4. If the terminal fails the pin drag test, replace the terminal for Pin A. Refer to Junction Block - Right I/P X6 in SI.

Correction

Repair

  1. When fitting the new terminal, hand crimp the core wings first.

    the passage
    Hand crimp the core wings first.

  2. Solder the hand crimp terminal.

    the passage
    Solder the hand crimp terminal.

Parts

  • 12191812/19 is the Junction Block X4 terminal/tray and 12084590/3 is the Junction Block X6 terminal/tray.

    the passage
    12191812/19 Junction Block X4–Terminal/Tray 12084590/3 Junction Block X6–Terminal/Tray

Part numbers printed in the document

The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.

Caution

  • Do not replace the HVAC blower motor assembly to correct this condition.

    the passage
    Do Not Replace the HVAC blower motor assembly to correct this condition.

Compiled by reading the full text of the document; each point stands on the passage shown. Check the document itself, linked below, before working on a vehicle.

Stated content

  1. Communication summary

    本情報通知では、ヘビーデューティートラックモデルのみを対象とした車輪とタイヤの適切な取り付けとバランス調整の方法に関する情報を提供しています。 Machine translation (unreviewed)

    This informational bulletin provides information on how to properly mount and balance wheels and tires on heavy duty truck models only
    Go to this passage in the original

Source

Source
NHTSA Manufacturer Communications
Source reference
10137446
Received by source
2018-05-21
Incident date
Unknown

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