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Selected vehicle: 2006 · GMC Yukon XL Denali

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Source reference 10174859

Manufacturer communication — 2006 GMC YUKON DENALI

ReferenceReporter type: ManufacturerELECTRICAL SYSTEM

Relation to the target vehicle

  • The source's vehicle field says Yukon; whether it is an XL is not stated.
Model year
Match 2006 — Source vehicle field
Model
Unknown YUKON DENALI — Source vehicle field
Trim
Match Denali — Source vehicle field

What the manufacturer’s document says

PIT5195F ・ normal characteristic (no repair) ・ names this vehicle

Applies to

  • The model table lists GMC Yukon models, model years 2003 - 2020.

    the passage
    GMC Yukon Models 2003 - 2020 All All All All

Fault

  • A customer may comment that the speedometer needle appears to be inaccurate.

    the passage
    speedometer needle appears to be inaccurate.

Finding the cause

Possible causes

  • The speedometer needle is electrically operated by a stepper motor and there may be some variation in accuracy.

    the passage
    The speedometer needle is electrically operated by a stepper motor and there may be some variation in accuracy.
  • Tire size, tread life and inflation may cause some variation in the readings.

    the passage
    Tire size, tread life and inflation may cause some variation in the readings.

Steps to confirm (in the document’s order)

  • Digital readout devices, such as the "Digital Speedometer" on the DIC, are direct readouts of the Vehicle Speed Sensor (VSS) and their accuracy is much greater.

    the passage
    Digital readout devices, such as "Digital Speedometer" on the DIC, are direct readouts of the Vehicle Speed Sensor (VSS) and their accuracy is much greater.

Correction

Caution

  • The specification for speedometer needle accuracy is +/- 2 MPH (= 3.22 km/h) at any given speed when looking straight at the needle.

    the passage
    The specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.

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

    本予備情報通知は、速度計の針が不正確に見える車両についての情報を整備士に提供するものです。販売店はユーザーに対して、任意の速度においてニードルを正面から見たときの速度計の針精度の仕様が±2 MPH (= 3.22 km/h)であることをお知らせする必要があります。 Machine translation (unreviewed)

    This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle. Â
    Go to this passage in the original

Source

Source
NHTSA Manufacturer Communications
Source reference
10174859
Received by source
2020-05-11
Incident date
Unknown

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