K 1500 Suburban 4WD V8-5.3L VIN Z Flex Fuel (2003)
Door Module: Customer Interest
Keyless Entry System - Won't Operate
File In Section: 08 - Body and Accessories
Bulletin No.: 03-08-52-001C
Date: March, 2003
TECHNICAL
Subject:
Remote Keyless Entry (RKE) System Inoperative (Reprogram Passenger Door Module)
Models:
2003 Cadillac Escalade, Escalade ESV, Escalade EXT
2003 Chevrolet Avalanche, Silverado, Suburban, Tahoe
2003 GMC Sierra, Yukon, Yukon XL
2003 HUMMER H2
From Start of Production (SOP) through December, 2002 for the 2003 Model Year
This bulletin is being revised to provide the latest service information. Please discard Corporate Bulletin Number 03-08-52-001B (Section 08 - Body and
Accessories).
Condition
Some customers may comment on any of the following conditions:
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The RKE key fob does not function.
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The RKE has a very limited range.
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The passenger door will not unlock from the passengers or drivers door switches.
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The passenger door window is inoperative.
Correction
Important:
For clarification purposes, the following information is provided. The components involved in this bulletin are known by various names. The Service
Information Document ID # 849813 refers to the component as the Door Lock and Side Window Switch. General Motors Service Pans refers to the
components as SWITCH DR LK & SI WDO. Within this component is a micro processor that is referred to as the Passenger Door Module (PDM).
Techline equipment refers to the component as the PDM Passenger Door Module. This bulletin addresses issues with the software of the
microprocessor in the Passenger Door Module (PDM).
Perform the following procedure step by step (do not skip a step) to determine the proper course of action.
Important:
Verify the software version in your Tech 2. If the software is not 23.001 or newer, your Tech 2 software needs to be updated.
1.
Determine the production date of the vehicle by viewing the certification label on the driver's door.
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If the vehicle's month of production is PRIOR to 01/03, go to Step 2.
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If the vehicle's month of production is 01/03, THIS BULLETIN DOES NOT APPLY. Refer to Customer Satisfaction Program bulletin 03011,
published March 2003.
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If the vehicles month of production is 02/03 or newer, this bulletin does not apply. Refer to published Service Information for the symptom
experienced by the customer.
2.
Use the Tech 2 to determine the PDM operational software release number.
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With the Tech 2 installed and powered up, verify the software version. If the software is not 23.001 or newer, your Tech 2 software needs to be
updated.
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Press Enter.
