Manufacturer communication — 2006 GMC YUKON

ReferenceReporter type: Manufacturer

Relation to the target vehicle

The source's vehicle field says Yukon; whether it is an XL is not stated.
The trim (Denali) is not stated.

Model year: Match 2006 — Source vehicle field
Model: Unknown YUKON — Source vehicle field
Trim: Unknown

What the manufacturer’s document says

normal characteristic (no repair) ・ names this vehicle

Applies to

The information applies to 2005-07 Cadillac Escalade, Chevrolet Avalanche, Silverado, Silverado Classic, Suburban, Tahoe, GMC Sierra, Sierra Classic and Yukon with Regulated Voltage Control (RVC).
the passage
This information applies to 2005-07 Cadillac Escalade, Chevrolet Avalanche, Silverado, Silverado Classic, Suburban, Tahoe, GMC Sierra, Sierra Classic, Yukon with Regulated Voltage Control (RVC).

Fault

Some customers may comment that the voltmeter fluctuates between 12 and 14 volts.
the passage
Some customers may comment that the voltmeter fluctuates between 12 and 14 volts.

Finding the cause

Possible causes

The RVC system controls voltage based on battery state of charge, battery electrolyte temperature, battery current and electrical loads, which makes the voltmeter fluctuate between 12 and 14 volts.
the passage
The RVC system controls voltage based on such parameters as battery state of charge, battery electrolyte temperature, battery current, and electrical loads. This causes the voltmeter to fluctuate between 12 and 14 volts.

Correction

Caution

This fluctuation with the RVC system is normal system operation and no repairs should be attempted.
the passage
This fluctuation with the RVC system is normal system operation and no repairs should be attempted.

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

Communication summary
Japanese translation not processed yet.
Voltmeter Fluctuation This information applies to 2005-07 Cadillac Escalade, Chevrolet Avalanche, Silverado, Silverado Classic, Suburban, Tahoe, GMC Sierra, Sierra Classic, Yukon with Regulated Voltage Control (RVC). Some customers may comment that the voltmeter fluctuates between 12 and 14 volts. The RVC system controls voltage based on such parameters as battery state of charge, battery electrolyte temperature, battery current, and electrical loads. This causes the voltmeter to fluctuate between 12 and 14 volts. This fluctuation with the RVC system is normal system operation and no repairs should be attempted.
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Source

Source: GM TechLink
Source reference: 2007-02-02
Received by source: 2007-02-01
Incident date: Unknown

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