Don't want to disappoint you but your symptoms don't sound like anything that's described in the Campaing Bulletin:
Document ID # 811273
2000 Pontiac Grand Am
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Customer Satisfaction - Generator Low Voltage Indicator Light PCM Reflash #01028B
01028B -- Generator Low Voltage Indicator Light PCM Reflash
Certain 2000 Chevrolet Cavalier; Pontiac Sunfire, Grand Am; and Oldsmobile Alero
Equipped with 2.2L (RPO LN2 - VIN Code 4) or 2.4L (RPO LD9 - VIN Code T) Engine
This bulletin is being revised to add a new calibration part number for the 2.2L (LN2) Chevrolet Cavalier with Compressed Natural Gas option (RPO KL6). This bulletin revision will only be available electronically SI2000. Please discard Customer Satisfaction Bulletin Number 01028A, dated June, 2001.
Condition
General Motors has decided that certain 2000 Chevrolet Cavalier; Pontiac Sunfire, Grand Am, and Oldsmobile Alero model vehicles equipped with 2.2L L4 (RPO LN2 - VIN Code 4) or a 2.4L L4 (RPO LD9 - VIN Code T) engine may exhibit a condition in which the "Generator Low Voltage" indicator light in these vehicles will not illuminate under low voltage conditions. If the battery voltage drops low enough, the engine will eventually stop running or fail to start.
Correction
Dealers are to reflash the vehicle PCM with new calibration software.
Vehicles Involved
Important
VEHICLES PREVIOUSLY REPAIRED UNDER WARRANTY HAVE BEEN EXCLUDED FROM THIS CAMPAIGN.
Involved are certain 2000 Chevrolet Cavalier; Pontiac Sunfire, Grand Am; and Oldsmobile Alero model vehicles equipped with 2.2L L4 (RPO LN2 - VIN Code 4) or a 2.4L L4 (RPO LD9 - VIN Code T) engine and built within these VIN breakpoints:
Year
Division
Model
Plant
From
Through
2000
Chevrolet
Cavalier
Lordstown
Y7100001
Y7459760
2000
Chevrolet
Cavalier
Ramos
YS100001
YS252491
2000
Chevrolet
Cavalier
Genasys
YB900001
YB904761
2000
Pontiac
Sunfire
Lordstown
Y7100003
Y7459754
2000
Pontiac
Sunfire
Ramos
YS100011
YS252475
2000
Pontaic
Sunfire
Genasys
YB200001
YB203598
2000
Pontiac
Grand Am
Lansing C
YC500001
YC564826
2000
Pontiac
Grand Am
Lansing M
YM700020
YM876693
2000
Oldsmobile
Alero
Lansing C
YC000002
YC427893
Important
Dealers should confirm vehicle eligibility through GMVIS (GM Vehicle Inquiry System) or DCS Screen 445 (IPC only) prior to beginning campaign repairs. [Not all vehicles within the above breakpoints may be involved.]
Involved vehicles have been identified by Vehicle Identification Number. Computer listings containing the complete Vehicle Identification Number, customer name and address data have been prepared, and are being furnished to involved dealers with the campaign bulletin. The customer name and address data furnished will enable dealers to follow up with customers involved in this campaign. Any dealer not receiving a computer listing with the campaign bulletin has no involved vehicles currently assigned.
These dealer listings may contain customer names and addresses obtained from Motor Vehicle Registration Records. The use of such motor vehicle registration data for any other purpose is a violation of law in several states/provinces/countries. Accordingly, you are urged to limit the use of this listing to the follow-up necessary to complete this campaign.
*EDITED TO MEET MESSAGE LENGTH RESTRICTIONS*
Service Procedure
Important
A Techline CD ROM titled "Disc #12" (June 21, 2000) or later, "Disk #8" (July 25, 2001) or later for CNG, including the current Techline Information System 2000 (TIS 2000) software, will be required to properly program all vehicles. A Tech 2 will be required to reprogram all vehicles involved.
Prep the vehicle for Powertrain Control Module reprogramming.
Program the PCM using TIS 2000 data version #12 for 2000 or later, #8 for 2001 or later for CNG. Refer to up-to-date Techline equipment user instructions.
Install the GM Campaign Identification Label.
Campaign Identification Label
Place a Campaign Identification Label on each vehicle corrected in accordance with the instructions outlined in this Product Campaign Bulletin. Each label provides a space to include the campaign number and the five (5) digit dealer code of the dealer performing the campaign service. This information may be inserted with a typewriter or a ball point pen.
Put the Campaign Identification Label on a clean and dry surface of the radiator core support in an area that will be visible to people servicing the vehicle. When installing the Campaign Identification Label, be sure to pull the tab to allow the adhesion of the clear protective covering. Additional Campaign Identification Labels for US dealers can be obtained from Dealer Support Materials by calling 1-888-549-6152 (Monday-Friday, 8:00 am to 5:00 pm EST). Ask for Item Number S-1015 when ordering.
Additional Campaign Identification Labels for IPC dealers can be obtained from your Regional Marketing Office.
Refer to the General Motors WINS Claim Processing Manual for details on Product Campaign Claim Submission.
Customer Notification
For US
Customers will be notified of this campaign on their vehicles by General Motors (see copy of customer letter included with this bulletin)
Dealer Campaign Responsibility
All unsold new vehicles in dealers' possession and subject to this campaign MUST be held and inspected/repaired per the service procedure of this campaign bulletin BEFORE customers take possession of these vehicles.
Dealers are to service all vehicles subject to this campaign at no charge to customers, regardless of mileage, age of vehicle, or ownership, from this time forward.
Customers who have recently purchased vehicles sold from your vehicle inventory, and for which there is no customer information indicated on the dealer listing, are to be contacted by the dealer. Arrangements are to be made to make the required correction according to the instructions contained in this bulletin. This could be done by mailing to such customers a copy of the customer letter accompanying this bulletin. Campaign follow-up cards should not be used for this purpose, since the customer may not as yet have received the notification letter.
In summary, whenever a vehicle subject to this campaign enters your vehicle inventory, or is in your dealership for service in the future, you must take the steps necessary to be sure the campaign correction has been made before selling or releasing the vehicle.
May, 2001
Dear General Motors Customer:
We want your experience owning your 2000 Chevrolet Cavalier; Pontiac Sunfire, Grand Am; or Oldsmobile Alero to be better than any other you've had ... which is why we're writing.
We have learned that your 2000 Chevrolet Cavalier; Pontiac Sunfire, Grand Am; or Oldsmobile Alero may exhibit a condition in which the "Generator Low Voltage" indicator light on the instrument panel will not illuminate enough under low voltage conditions. If the battery voltage drops low enough, the engine will eventually stop running or fail to start.
What We Have Done
To correct this condition, your dealer will install new calibration software. This service will be performed for you at no charge .
What You Should Do
We recommend that you contact your <Division>dealer to arrange a service date.
Customer Reply Card
Presenting the attached card to your dealer will assist in making the necessary correction in the shortest possible time.
If you no longer own this vehicle, please check the appropriate box and provide new owner information, if available.
If you have any questions or need any assistance, just contact your dealer or the appropriate Customer Assistance Center at the number listed below:
Division
Number
Deaf, Hearing Impaired, or Speech Impaired*
Chevrolet
1-800-222-1020
1-800-833-2438
Pontiac
1-800-762-2737
1-800-833-7668
Oldsmobile
1-800-442-6537
1-800-833-6537
GMODC
(905)644-4112
Puerto Rico - English
1-800-496-9992
Puerto Rico - Español
1-800-496-9993
Virgin Islands
1-800-496-9994
* Utilizes Telecommunication Devices for the Deaf/Text Telephones (TDD/TTY)
Your dealer may provide you with shuttle service or some other form of courtesy transportation while your vehicle is at the dealership for this repair. Please refer to your Owner's Manual and your dealer for details on Courtesy Transportation.
We sincerely regret any inconvenience this causes you. Also, we want you to know that we will continue to do everything we can to ensure that you are completely satisfied with your 2000 Chevrolet Cavalier; Pontiac Sunfire, Grand Am; or Oldsmobile Alero and with <Division>.
General Motors Corporation
Enclosure
GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION
© Copyright General Motors Corporation. All Rights Reserved.
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Document ID # 811273
2000 Pontiac Grand Am