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GMC Yukon XL 2000–2006

GMC Yukon XLModel years 2000–2006

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Common on this vehicle:Gauge or instrument faultWarning lightCorrosion or rustNoiseLeakReduced brakingStalls or shuts offLoss of engine power, no acceleration

Possible causes

146 causes not drawn

The documents say what to doOnly records name itThe size of a node, the width of a link and the numbers are records matching this search, not likelihoods.

Candidate cause (the documents say what to do)

Red OnStar LED and DTC B2455 after Canada upgrade bulletin 15-08-44-001 (audio and microphone drain wires shorted)

A red LED and DTC B2455 set as current in the VCIM may be noticed 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.

How to tell

B2455

What to do

  1. Pull back the tape at X2 of the VCIM far enough to see where the bare wires are covered.
  2. Tape the bare wires individually to prevent them from shorting, then tape the harness back up.

In the records

  • Vehicle Communication Interface Module: repaired 1
  • Wiring Connector: repaired 1
See the evidence (1 technical documents, 1 records)

Passages of the technical documents

  • 2003-2006 GMC Yukon/Yukon XL

    General Motors

  • 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.

    General Motors

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

    General Motors

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

    General Motors

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Records

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A cause or a result a complaint states is the owner’s view or what a dealer told them, not an established fact.