Manufacturer communication — 2006 GMC YUKON

ReferenceReporter type: ManufacturerUNKNOWN OR OTHER

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

PIT5099H ・ information ・ for GM vehicles in general

Applies to

Applies to all models, 2000 - 2024.
the passage
All All 2000 - 2024 All All All All

Fault

The A/C blows warm or A/C performance is poor.
the passage
Customer may comment that their A/C blows warm or they have poor A/C performance.

Finding the cause

Steps to confirm (in the document’s order)

Record the A/C high and low pressures from actual A/C gauges, the high side sensor reading from GDS, and the A/C compressor duty cycle.
the passage
* A/C High and Low pressures from actual A/C gauges. * High side sensor reading from GDS * A/C compressor duty cycle
Also record the outside temperature, humidity and vent temperature.
the passage
* Outside temperature * Humidity * Vent temperature
With an automatic HVAC system, read the evaporator temperature sensor (if equipped), inside temperature sensor, outside temperature sensor and duct temperature sensors with the scan tool.
the passage
If the unit is equipped with an Automatic HVAC system, go into the HVAC data with the scan tool and get the following readings: * Evaporator temperature sensor reading (if equipped) * Inside temperature sensor reading * Outside temperature sensor reading * Duct temperature sensor readings

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
本暫定情報通知は、ヒーター・ベント・エアコンディショニングが温風を吹き出す車両についての情報をテクニシャンに提供するものです。General Motors技術サポートセンターのテクニシャンに連絡する前に、高圧、低圧、外気温、湿度、およびベント温度のデータが必要になります。 Machine translation (unreviewed)
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
Go to this passage in the original

Source

Source: NHTSA Manufacturer Communications
Source reference: 11007744
Received by source: 2024-09-12
Incident date: Unknown

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