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Selected vehicle: 2006 · GMC Yukon XL Denali

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Source reference 10114443

Manufacturer communication — 2006 GMC YUKON DENALI XL

Fitment confirmedReporter type: ManufacturerFUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

Relation to the target vehicle

  • The source's vehicle field includes the trim.
Model year
Match 2006 — Source vehicle field
Model
Match YUKON DENALI XL — Source vehicle field
Trim
Match Denali — Source vehicle field

What the manufacturer’s document says

PIT3046G ・ normal characteristic (no repair) ・ names this vehicle

Applies to

  • The model list names 2000-2015 GMC Yukon models.

    the passage
    2000-2015 GMC Yukon models

Fault

  • The fuel gauge may be inaccurate or drop to empty (E) with the low fuel light coming on.

    the passage
    Fuel gauge may be inaccurate or drops to empty (E) and the low fuel light comes on.
  • The condition is most apparent when the gauge is at or below the quarter (1/4) tank mark.

    the passage
    Further analysis may reveal that this condition is most apparent when the gauge is at or below the quarter (1/4) tank mark.

Finding the cause

Possible causes

  • On an automatic transmission no buffering of the fuel gauge takes place when the transmission is in park or neutral.

    the passage
    On an Automatic Transmission no buffering takes place when the transmission is in park or neutral.

Steps to confirm (in the document’s order)

  1. Try to duplicate it by driving a short distance in reverse and stopping (to make fuel slosh), shifting to park or neutral and then to drive.

    the passage
    Try to duplicate the concern by driving the vehicle a short distance in reverse and then stopping (to make fuel slosh), shifting transmission to park or neutral and then shifting to drive.
  2. Note how the vehicle is being parked (on an incline, front of the vehicle up hill or down hill).

    the passage
    It should also be noted how the vehicle is being parked (i.e. on an incline, front of veh up hill or down hill, etc..)

Correction

Caution

  • This is a normal characteristic and no repairs are necessary.

    the passage
    This is a NORMAL characteristic & NO repairs are necessary.

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

    本予備情報通知は、燃料計が不正確な車両についての情報を技術者に提供するものです。技術者は、その懸念を再現するために車両を走行させるべきです。燃料計は、実際に存在する燃料レベルより低い燃料レベルを誤って示す傾向があります。燃料計が正しい燃料レベルを表示するまでに数分かかります。オートマチックトランスミッション装備車では、トランスミッションがパーキングまたはニュートラルの場合、バッファリングは発生しません。これは正常な特性であり、修理は不要です。マニュアルトランスミッション装備車では、燃料計はすべてのギアおよびニュートラルでバッファリングされます。クラッチが踏まれると、カウントアップを開始するタイマーがあります。このタイマーがキャリブレーション値に達すると、バッファリングが停止します。これは正常な特性であり、修理は不要です。 Machine translation (unreviewed)

    This Preliminary Information communication provides information to the technician about vehicles that have an inaccurate fuel gauge. Technician should drive the vehicle to duplicate the concern. The fuel gauge will have a tendency to falsely indicate a lower fuel level than what is actually present. The fuel gauge will take a few minutes to show the correct fuel level. On vehicles equipped with an automatic transmission no buffering takes place when the transmission is in park or neutral. This is a normal characteristic and no repairs are necessary. On vehicles equipped with a manual transmission the fuel gauge is buffered in all gears and neutral. There is a timer which starts to count up when the clutch is depressed. When this timer reaches its calibrated value the buffering stops. This is a normal characteristic and no repairs are necessary.
    Go to this passage in the original

Source

Source
NHTSA Manufacturer Communications
Source reference
10114443
Received by source
2017-08-15
Incident date
Unknown

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