Skip to content
FaultCrate
日本語Open preview: everything readable

This is an open preview: every record can be read without an account. The details of the plans are in preparation.

← Back to the vehicle

Source reference 2003-02-01

Manufacturer communication — 2000 GMC YUKON

Reporter type: Manufacturer

Vehicles as recorded

What the manufacturer’s document says

fault and correction ・ names this vehicle

Applies to

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

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

Fault

  • 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 passage
    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.

Finding the cause

Possible causes

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

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

Steps to confirm (in the document’s order)

  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.

    the passage
    Inspect the brake controller wiring harness jumper that is plugged into the vehicle relay block body. The relay block body is located 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.

    the passage
    The 1999 through early 2003 wiring harness jumper that plugs into the relay block will have a reddish/brown 6-way connector and a tag with the last four digits of the wiring harness part number. Second design 2003 may have a white plastic connector with part number 5418 as well.

Correction

Repair

  1. 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.

    the passage
    When transferring the brake controller with the wiring jumper attached from a 2001-02 vehicle to a 2003 vehicle, a change to the jumper harness connector must be performed.

  2. To use a 12171982, 15366255 or 15086884 harness in a 2003 vehicle, switch the wires in cavities A and D.

    the passage
    To modify a 12171982, 15366255 or 15086884 harness for use in a 2003 vehicle, switch the wires in cavities A and D.

  3. To use a 15085418 harness in a 1999-2002 vehicle, switch the wires in cavities A and D.

    the passage
    To modify a 15085418 harness for use in a 1999-2002 vehicle, switch the wires in cavities A and D

Parts

  • The 2000 jumper harness is PN 15366255, with a pink/purple tag reading 6255.

    the passage
    - The 2000 jumper harness is PN 15366255. The pink/purple tag identifier is 6255.

  • The 2001-02 jumper is PN 15086884, with an orange tag reading 6884.

    the passage
    - the 2001-02 jumper is PN 15086884. The orange tag identifier is 6884.

  • The 2003 jumper is PN 15085418, with an orange tag reading 5418.

    the passage
    - The 2003 jumper is PN 15085418. The orange tag identifier is 5418.

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.

What is needed

Parts and materials
Not stated
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.

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

    トレーラーコントローラーに関する情報 2000-03 - Chevrolet Suburban、Tahoe - GMC Yukon、Yukon XL ヘッドランプまたはパークランプの点灯中はトレーラーのブレーキが常にかかっている、あるいは、トレーラーブレーキコントローラーのバックライトがブレーキをかけたときにしか点灯しない、とユーザーが申し出ることがある。 この状態は、2003年式での車両電気系統内の配線変更によるものである可能性がある。 車両のリレーブロック本体に差し込まれている、ブレーキコントローラーのハーネスジャンパーを点検する。リレーブロック本体は、インストルメントパネルの左側の下、左キックパネルの近くの、樹脂カバーの裏にある。 リレーブロックに差し込む 1999 から 2003 前期までのハーネスジャンパーには、赤みがかった茶色の 6極コネクターと、ハーネスの部品番号の下四桁を記したタグが付いている。2003 の第二設計品には、部品番号 5418 の白い樹脂コネクターが付いていることもある。 - 2000 のジャンパーハーネスは PN 15366255。ピンク／紫のタグの識別番号は 6255。 - 2001-02 のジャンパーは PN 15086884。オレンジのタグの識別番号は 6884。 - 2003 のジャンパーは PN 15085418。オレンジのタグの識別番号は 5418。 ワイヤージャンパーを付けたままのブレーキコントローラーを 2001-02 の車両から 2003 の車両に移すときは、ジャンパーハーネスのコネクターに変更を加えなければならない。 12171982、15366255 または 15086884 のハーネスを 2003 の車両で使えるように改造するには、キャビティ A と D の配線を入れ替える。 15085418 のハーネスを 1999-2002 の車両で使えるように改造するには、キャビティ A と D の配線を入れ替える Machine translation (unreviewed)

    Trailer Controller Information 2000-03 - Chevrolet Suburban, Tahoe - GMC Yukon, Yukon XL 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. This condition may be due to wiring changes within the vehicle electrical system for the 2003 model year. Inspect the brake controller wiring harness jumper that is plugged into the vehicle relay block body. The relay block body is located under the left side of the instrument panel near the left kick panel, behind a plastic cover. The 1999 through early 2003 wiring harness jumper that plugs into the relay block will have a reddish/brown 6-way connector and a tag with the last four digits of the wiring harness part number. Second design 2003 may have a white plastic connector with part number 5418 as well. - The 2000 jumper harness is PN 15366255. The pink/purple tag identifier is 6255. - the 2001-02 jumper is PN 15086884. The orange tag identifier is 6884. - The 2003 jumper is PN 15085418. The orange tag identifier is 5418. When transferring the brake controller with the wiring jumper attached from a 2001-02 vehicle to a 2003 vehicle, a change to the jumper harness connector must be performed. To modify a 12171982, 15366255 or 15086884 harness for use in a 2003 vehicle, switch the wires in cavities A and D. To modify a 15085418 harness for use in a 1999-2002 vehicle, switch the wires in cavities A and D
    Go to this passage in the original

Source

Source
GM TechLink
Source reference
2003-02-01
Received by source
2003-02-01
Incident date
Unknown

Open original text and sourceOpen the provider's page (external)

Manufacturer communication 2003-02-01 — 2000 GMC YUKON | FaultCrate