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GMC Yukon 2000–2006

GMC YukonModel years 2000–2006

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1 conditions added

Common on this vehicle:Warning light

Possible causes

C05505 records
Transmission and driveline
14WD/AWD lamps and system inoperative: "sleepy" New Venture Gear transfer case control module (reprogram the TCCM)

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.

FaultCrate・GMC Yukon 2000–2006・C0550

Candidate cause (the documents say what to do)

4WD/AWD lamps and system inoperative: "sleepy" New Venture Gear transfer case control module (reprogram the TCCM)

1 of the records matching this search name this component as the cause.

How to tell

C0550Service 4WD

What to do

  1. As a temporary fix, remove and reinstall the TCCM fuse.
  2. Verify the sleepy module as the primary cause, then reprogram the TCCM with the latest software.
  3. Replace the module only if a C0550 DTC shows as current or in history; the reference is bulletin 02-04-21-006D.

Caution: Do not replace the encoder motor or the transfer case.

In the records

No record states work done for this cause.

See the evidence (2 technical documents, 1 records)

Passages of the technical documents

  • 02-04-21-006; Inoperative 4WD/AWD Lamps, Inoperative 4WD/AWD System (Remove/Reinstall TCCM Fuse – Temporary Fix); 2002-03 Chevrolet TrailBlazer, Silverado, Tahoe, Suburban, BMC Envoy, Sierra, Yukon, Oldsmobile Bravada with Active Two-Speed Transfer Case (RPO NP8)

    General Motors 2002-09-01

  • 2002-2004 Fullsize and Midsize Pickups and Utilities – Sleepy New Venture Gear Transfer Case Control Module

    General Motors 2005-02-01

  • Inoperative 4WD/AWD Lamps, Inoperative 4WD/AWD System (Remove/Reinstall TCCM Fuse – Temporary Fix)

    General Motors 2002-09-01

  • Verify sleepy module as primary cause. Reprogram TCCM with latest software.

    General Motors 2005-02-01

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Manufacturer’s documents

Records

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See all 1 records of this cause →

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

Put together by FaultCrate from public records and technical documents. The cause and the repair are for the workshop to decide with the vehicle in front of it. Counts are records, not failure rates.