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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 radio theft LED does not flash (manufacturer's counter not reset at assembly)

Starting with the 2003 model year, owners no longer enter a security code into the radio to activate the theft feature; it works automatically by learning a portion of the VIN.

During assembly of the radio a manufacturer's counter is set at 255 counts and should be set to 0 at the end of assembly; if the counter is not set to 0, the radio LED will not flash.

What to do

  1. If an owner wants the LED to operate immediately, cycle the ignition key as many times as required to run the remaining counts to 0.
  2. To count as a cycle, the key must be left in the RUN and OFF positions for at least 3 seconds each.

Caution: So that Retained Accessory Power (RAP) does not keep the radio alive with the ignition off, the driver's door must be open during the key on/key off process.

In the records

No record states work done for this cause.

See the evidence (1 technical documents, 1 records)

Passages of the technical documents

  • Owners of some 2003 -05 Chevrolet, GMC, Cadillac, and Hummer H2 full size trucks and utilities may comment that the red radio theft LED does not flash.

    General Motors 2005-04-01

  • Starting with the 2003 model year, owners no longer have to enter a security code into the radio to activate the theft feature like earlier model years. The radio theft feature works automatically by learning a portion of the VIN.

    General Motors 2005-04-01

  • During assembly of the radio, a manufacturer’s counter is set at 255 counts for assembly purposes and should be set to 0 counts at the end of assembly. If the counter is not set to 0, the radio LED will not flash.

    General Motors 2005-04-01

  • Each cycle of the ignition switch reduces the counter by 1 count. Once the counter reaches 0, the red LED starts to work normally.

    General Motors 2005-04-01

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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.