Source reference 2002-12-02

Manufacturer communication — 2002 GMC YUKON

Reporter type: Manufacturer

Vehicles as recorded

2002 GMC YUKON This vehicle's overview →
2003 GMC YUKON This vehicle's overview →
2002 GMC YUKON XL This vehicle's overview →
2003 GMC YUKON XL This vehicle's overview →

What the manufacturer’s document says

02-05-23-004 ・ fault and correction ・ names this vehicle

Applies to

Bulletin 02-05-23-004, Driver's Information Center (DIC) "Reduced Brake Power" message and reduced vacuum boost, lists 2002-03 Cadillac Escalade 2WD, Chevrolet Avalanche, Silverado, Suburban, Tahoe, GMC Sierra, Yukon, XL with the power vacuum boost brake system (RPOs JC3 and JC4).
the passage
02-05-23-004; Driver’s Information Center (DIC) “Reduced Brake Power” Message, Reduced Vacuum Boost (Inspect/Replace Intake Manifold and Recalibrate the Instrument Panel Cluster IPC); 2002-03 Cadillac Escalade 2WD, Chevrolet Avalanche, Silverado, Suburban, Tahoe, GMC Sierra, Yukon, XL, with Power Vacuum Boost Brake System (RPOs JC3 and JC4)

Correction

Repair

The correction is to inspect or replace the intake manifold and recalibrate the instrument panel cluster (IPC).
the passage
Driver’s Information Center (DIC) “Reduced Brake Power” Message, Reduced Vacuum Boost (Inspect/Replace Intake Manifold and Recalibrate the Instrument Panel Cluster IPC)

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.
Bulletins - November, 2002 02-05-23-004; Driver’s Information Center (DIC) “Reduced Brake Power” Message, Reduced Vacuum Boost (Inspect/Replace Intake Manifold and Recalibrate the Instrument Panel Cluster IPC); 2002-03 Cadillac Escalade 2WD, Chevrolet Avalanche, Silverado, Suburban, Tahoe, GMC Sierra, Yukon, XL, with Power Vacuum Boost Brake System (RPOs JC3 and JC4) Driver’s Information Center (DIC) “Reduced Brake Power” Message, Reduced Vacuum Boost (Inspect/Replace Intake Manifold and Recalibrate the Instrument Panel Cluster IPC)
Go to this passage in the original

Source

Source: GM TechLink
Source reference: 2002-12-02
Received by source: 2002-12-01
Incident date: Unknown

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