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Selected vehicle: 2006 · GMC Yukon XL Denali

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Source reference 10114986

Manufacturer communication — 2006 GMC YUKON DENALI XL

Fitment confirmedReporter type: ManufacturerELECTRICAL SYSTEM

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

PIC6140B ・ fault and correction ・ names this vehicle

Applies to

  • The model list includes the 2003-2006 GMC Yukon/Yukon XL.

    the passage
    2003-2006 GMC Yukon/Yukon XL

Fault

  • A red LED and DTC B2455 set as current in the VCIM may be noticed after performing Canada upgrade bulletin 15-08-44-001.

    the passage
    A dealer or customer may notice a red LED and DTC B2455 setting current in the VCIM after performing Canada upgrade bulletin 15-08-44-001.

  • When placing calls or connecting to OnStar, the person on the other end can hear the caller clearly.

    the passage
    When placing calls or connecting to OnStar, the person on the other end is able to hear the caller clearly.

Finding the cause

Possible causes

  • A short between the audio drain wire and the microphone drain wire causes this concern.

    the passage
    It has been found that a short between the audio drain wire and microphone drain wire will cause this concern.

Steps to confirm (in the document’s order)

  • Pull back the tape at X2 of the VCIM far enough to see where the bare wires are covered.

    the passage
    Pull back the tape at X2 of the VCIM far enough to see where the bare wires are covered.

Correction

Repair

  • Tape the bare wires individually to prevent them from shorting, then tape the harness back up.

    the passage
    Tape the bare wires individually to prevent them from shorting. Then tape the harness back up.

What is needed

Parts and materials
Not stated
Labor time
  • 602058: OnStar Upgrade Wire Repair, .3 hr
Special tools
Not stated
Scan tool
Not stated

Only what the technical documents state. "Not stated" does not mean not needed.

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

    本予備情報通知は、カナダアップグレード実施後にビークルコミュニケーションインターフェースモジュール内で赤LEDとDTC B2455が設定されている車両に関する整備士向け情報を提供します。整備士はビークルコミュニケーションインターフェースモジュールへのアクセスを確保する必要があります。ビークルコミュニケーションインターフェースモジュールへのアクセスを確保した後、X2コネクター上のテープを引き戻し、むき出しの配線を個別にテープで巻いてショートを防止してください。 Machine translation (unreviewed)

    This Preliminary Information communication provides information to the technician about vehicles that has a red LED and DTC B2455 setting current in the Vehicle Communication Interface Module after performing Canada upgrade. Technician will need to gain access to the Vehicle Communication Interface Module. After gaining access to the Vehicle Communication Interface Module pull the tape back on the X2 connector then tape the bare wires individually to prevent them from shorting.
    Go to this passage in the original

Source

Source
NHTSA Manufacturer Communications
Source reference
10114986
Received by source
2017-08-15
Incident date
Unknown

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