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GMC Yukon 2000–2006

GMC YukonModel years 2000–2006

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1 conditions added

The vehicle (where a record says)

A record is under an engine, a drive or a series only where it says so: the characters of the vehicle identification number filed with a complaint, its text, or what its document says it applies to. A record that does not say is kept as "not stated". The filed numbers and the documents do not tell 4WD from AWD.

Common on this vehicle:Gauge or instrument faultNoiseWarning lightCorrosion or rustLeakReduced brakingAir conditioning or heaterVibration or shudder

Possible causes

Lights (headlights, turn signals)53 records
Electrical, wiring and power
Suspension, wheels and tires
Brakes
Instruments and lighting
3Trailer brakes applied whenever headlamps or park lamps are on (brake controller jumper harness)1DRLs or auto headlamps will not disable with the headlamp switch (Canada, RPO Z49; normal)1Rear seat audio and/or rear HVAC controls inoperative (replace the RSA, not the console)1Replacement headlamp switch has no LED indicators and sets DTC B0951 (2003, normal)1Turn signal flashes fast (export flasher relay installed)1Battery: failed1Headlamp Switch: loose or misadjusted1Turn Signal Switch: failed3Vehicle body tilt or lean left / right (torsion bar front suspension)1Brake pipe (brake line) corrosion and rupture1Daytime Running Light Bulb: overheated
Causes with no correction stated (11)

Causes the records name for which no check or repair is stated, in a technical document or in a record. Press one for the records that name it.

Brakes
Brake Controller: electrical fault (3)Stabilitrak System: failed (1)
Instruments and lighting
Headlight: loose or misadjusted, overheated (2)Bulb: failed (1)Daytime Running Lamp Socket: overheated (1)
Electrical, wiring and power
Bulb Socket: overheated (1)Junction Box: failed (1)
Cooling
Radiator Seal: failed (1)
Suspension, wheels and tires
Tire: broken (1)
Transmission and driveline
Transmission: clogged or contaminated (1)Transmission Seal: failed (1)

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・Lights (headlights, turn signals)

Candidate cause (the documents say what to do)

Trailer brakes applied whenever headlamps or park lamps are on (brake controller jumper harness)

With the headlamps or park lamps on, the trailer brakes are always applied, or the back lighting of the trailer brake controller illuminates only when the brakes are applied.

The condition may be due to wiring changes in the vehicle electrical system for the 2003 model year.

What to do

  1. Inspect the brake controller wiring harness jumper plugged into the vehicle relay block body, which is under the left side of the instrument panel near the left kick panel, behind a plastic cover.
  2. The 1999 through early 2003 jumper has a reddish/brown 6-way connector and a tag with the last four digits of the harness part number; a second design 2003 jumper may have a white plastic connector with part number 5418.
  3. The 2000 jumper harness is PN 15366255, with a pink/purple tag reading 6255.
  4. The 2001-02 jumper is PN 15086884, with an orange tag reading 6884.
  5. The 2003 jumper is PN 15085418, with an orange tag reading 5418.
  6. When a brake controller with its jumper attached is moved from a 2001-02 vehicle to a 2003 vehicle, the jumper harness connector must be changed.
Read the remaining 3 steps

What is needed

Parts and materials

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.

Labor time
Not stated
Special tools
Not stated
Scan tool
Not stated

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

In the records

No record states work done for this cause.

See the evidence (3 technical documents, 3 records)

Passages of the technical documents

  • The affected vehicles include the 2000-03 Chevrolet Suburban and Tahoe and GMC Yukon and Yukon XL.

    2000-03 - Chevrolet Suburban, Tahoe - GMC Yukon, Yukon XL

    General Motors 2003-02-01

  • Bulletin 02-05-22-004A, which replaces 02-05-22-004, trailer brakes applied when headlights/park lamps are on and brake controller illumination, lists 2002-03 Cadillac Escalade, EXT, Chevrolet Avalanche, 2001-03 Chevrolet Silverado, Suburban, Tahoe, GMC Sierra, Yukon, XL and 2003 Hummer H2.

    02-05-22-004A; replaces 02-05-22-004; Trailer Brakes Applied when Headlights/Park Lamps are On, Brake Controller Illumination (Modify Brake Controller Wiring Harness); 2002-03 Cadillac Escalade, EXT, Chevrolet Avalanche, 2001-03 Chevrolet Silverado, Suburban, Tahoe, GMC Sierra, Yukon, XL, 2003 Hummer H2

    General Motors 2002-11-01

  • With the headlamps or park lamps on, the trailer brakes are always applied, or the back lighting of the trailer brake controller illuminates only when the brakes are applied.

    Some customers may comment that when the headlamps or park lamps are on, the brakes on the trailer are always applied, or that the back lighting for the trailer brake controller illuminates only when the brakes are applied.

    General Motors 2003-02-01

  • The condition may be due to wiring changes in the vehicle electrical system for the 2003 model year.

    This condition may be due to wiring changes within the vehicle electrical system for the 2003 model year.

    General Motors 2003-02-01

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Records

None among the records that can be opened now.

See all 3 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.