All 2004 Cadillac CTS, SRX; Buick Rendezvous and certain 2005 Cadillac CTS, SRX, STS; Buick Rendezvous, LaCrosse / Allure model vehicles, equipped with a 3.6L V6 (RPO LY7 – VIN 7) or 2.8L V6 (RPO LP1 – VIN T) engine, have an Engine Control Module (ECM) programming error, which can cause ECM memory damage resulting in the inability to start the engine. Cadillac vehicles will also display the message, "Starting Disabled, Remove Key" on the Driver Information Center. All vehicles will set a Diagnostic Test Code (DTC) of P1631 when the condition occurs.
Dealers are to reflash all affected 2004-2005 vehicles with corrected software/calibration. The memory location that was susceptible to damage will no longer be used.
All 2004 Cadillac CTS, SRX; Buick Rendezvous and certain 2005 Cadillac CTS, SRX, STS; Buick Rendezvous, LaCrosse/Allure model vehicles, equipped with a 3.6L V6 (RPO LY7 – VIN 7) or 2.8L V6 RPO LP1 – VIN T) engine, and built within these VIN breakpoints:
The Campaign Initiation Detail Report may contain customer names and addresses obtained from Motor Vehicle Registration Records. The use of such motor vehicle registration data for any purpose other than follow-up necessary to complete this program is a violation of law in several states/provinces/countries. Accordingly, you are urged to limit the use of this report to the follow-up necessary to complete this program.
The General Motors Courtesy Transportation program is intended to minimize customer inconvenience when a vehicle requires a repair that is covered by the New Vehicle Limited Warranty. The availability of courtesy transportation to customers whose vehicles are within the warranty coverage period and involved in a product recall is very important in maintaining customer satisfaction. Dealers are to ensure that these customers understand that shuttle service or some other form of courtesy transportation is available and will be provided at no charge. Dealers should refer to the General Motors Service Policies and Procedures Manual for Courtesy Transportation guidelines.
Submit a Product Recall Claim with the information indicated below.
Refer to the General Motors WINS Claim Processing Manual for details on Product Recall Claim Submission.
General Motors will notify customers of this program on their vehicle (see copy of customer letter included with this bulletin).
Letters will be sent to known owners of record located within areas covered by the US National Traffic and Motor Vehicle Safety Act. For owners outside these areas, dealers should notify customers using the attached sample letter.
All unsold new vehicles in dealers' possession and subject to this program MUST be held and inspected/repaired per the service procedure of this program bulletin BEFORE customers take possession of these vehicles.
Dealers are to service all vehicles subject to this program 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. Program 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 program enters your vehicle inventory, or is in your dealership for service in the future, you must take the steps necessary to be sure the program correction has been made before selling or releasing the vehicle.
Dear General Motors Customer:
This notice is sent to inform you that General Motors is conducting a customer satisfaction program that affects all 2004 Cadillac CTS, SRX; Buick Rendezvous and certain 2005 Cadillac CTS, SRX, STS; Buick Rendezvous, LaCrosse / Allure model vehicles, equipped with a 3.6L or 2.8L V6 engine.
We have learned that your vehicle has an Engine Control Module (ECM) programming error, which can cause ECM memory damage and result in the inability to start the engine. Cadillac vehicles will also display the message, "Starting Disabled, Remove Key" on the Driver Information Center.
To prevent this condition from occurring, your General Motors dealer will reprogram the Engine Control Module (ECM). This service will be performed for you at no charge.
Otherwise..... is it cranking, or not cranking? Any other messages on the dash?