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Recall - Fuel Trim OBD - Reprogramm ECM: Overview

Bulletin No.: 06213

Date: December 05, 2006

PRODUCT EMISSION

Subject:
06213 - Fuel Trim On Board Diagnostics (OBD) - Reprogram Engine Control Module (ECM)

Models:
2007 Cadillac STS

Equipped with 3.6L V6 (RPO LY7 - VIN 7) Engine

Condition

General Motors has decided to conduct a Voluntary Emission Recall involving certain 2007 Cadillac STS model vehicles equipped with 3.6L V6 (RPO LY7 - VIN 7) engine. Early production of these 2007 model year Cadillac STS vehicles were produced with Engine Control Module (ECM) calibration fuel trim diagnostics turned off. This condition is not compliant with Onboard Diagnostic emission regulations, which require functional fuel trim diagnostics.

Correction

Dealers are to reprogram the ECM with corrected calibrations.

Vehicles Involved





Involved are certain 2007 Cadillac STS model vehicles equipped with 3.6L V6 (RPO LY7 - VIN 7) engine and built within the VIN breakpoints shown.

Dealers are to confirm vehicle eligibility prior to beginning repairs by using the GM Vehicle Inquiry System (GMVIS). Not all vehicles within the above breakpoints may be involved.

For dealers with involved vehicles, a listing with involved vehicles containing the complete vehicle identification number, customer name, and address information has been prepared and will be provided through the applicable system listed below. Dealers will not have a report available if they have no involved vehicles currently assigned.

- US GM - GM DealerWorld Recall Information

- Canadian GM - GMinfoNet Recall Reports

- Export dealers - sent directly to dealers

The listing 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 recall 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 recall.

Parts Information

Do not attempt to order the calibration number from GMSPO. The calibration numbers are programmed into the ECM via a Techline Tech 2 scan tool and the Techline Information System (TIS) 2000 terminal with the calibration update. Use data version 12.0 for 2006 or later, broadcast to dealers on December 3, 2006; or TIS 2 Web version 12.0 for 2006 (website version of TIS); and on TIS DVD version 12.0/2006 or later, mailed to dealers beginning December 13, 2006. If you cannot access the calibration, call the Techline Customer Support Center and it will be provided.

Service Procedure

Tech 2(R) Remote Programming Method for ECM

Before reprogramming, please check the battery condition to prevent a reprogramming error of any of the modules due to battery discharge. Battery voltage must be between 12 and 16 volts during reprogramming. If the vehicle battery is not fully charged, use jumper cables from an additional battery. Be sure to turn off or disable any system that may put a load on the battery, such as automatic head lamps, daytime running lights, interior lights, heating, ventilation, and air conditioning (HVAC) system, radio, engine cooling fan, etc. A programming failure or control module damage may occur if battery voltage guidelines are not observed.

The ignition switch must be in the proper position. The Tech 2(R) prompts you to turn ON the ignition, with the engine OFF. DO NOT change the position of the ignition switch during the programming procedure, unless instructed to do so.

Make certain all tool connections are secure, including the following components and circuits:

The RS-232 communication cable port

The connection at the data link connector (DLC)

The voltage supply circuits

DO NOT disturb the tool harnesses while programming. If an interruption occurs during the programming procedure, programming failure or control module damage may occur.

DO NOT turn OFF the ignition if the programming procedure is interrupted or unsuccessful. Ensure that all control module and DLC connections are secure and the TIS terminal operating software is up to date.

Verify the battery charge of 12 to 16 volts. The battery must be able to maintain the charge during programming. Use an additional jump battery if necessary.

Use the normal "request method" through "Service Programming System" to request information from the vehicle.

At the Techline Terminal, enter TIS SPS programming system.

Select Tech 2(R) from the "Select Diagnostic Tool" window.

Select Reprogram ECU from the Select Programming Process window.

Select Vehicle from the "Select ECU Location" window.

Select Next to go to the "Preparing for Communication" instruction screen.

Select Next to view the Validate Vehicle ID Number screen. If the vehicle ID number does not appear on the screen, manually insert the VIN into the VIN window of the Validate Vehicle ID Number screen.

Select Next to view the "Supported Controllers" screen.

Select PCM/VCM Powertrain/Vehicle Control Module from "Supported Controllers" window.

Select Next to view the "Select Programming Type" window.

Select Normal from the "Select Programming Type" window.

Select Next to view the "Service Programming System Calibration Selection" screen.

Select Next to view "Summary" screen.

Verify that current and selected calibration information is displayed on the Summary screen.

Select Next to download the calibration to the Tech 2(R).

Back at the vehicle, enter "Service Programming Systems".

Select Program ECU and follow the on-screen instructions.

When programming is complete, do the following:

Turn the Tech 2(R) OFF.

Turn the ignition switch OFF.

Wait 30 seconds.

Turn the ignition switch to ON with the engine OFF.

Go into Diagnostics and check for DTC codes.

Clear all codes.

CALIFORNIA, MASSACHUSETTS, MAINE, & VERMONT VEHICLES ONLY: Install a Recall Identification Label. Also, for California vehicles complete a "Proof of Correction" certificate upon recall completion.

Recall Identification Label - California/Massachusetts/Maine/Vermont Vehicles Only

Place a Recall Identification Label on each vehicle corrected in accordance with the instructions outlined in this Product Recall Bulletin. Each label provides a space to include the recall number and the five-digit dealer code of the dealer performing the recall service. This information may be inserted with a typewriter or a ballpoint pen.

Put the Recall 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 Recall Identification Label, be sure to pull the tab to allow adhesion of the clear protective covering.

Courtesy Transportation - For US and Canada

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.

Claim Information





Submit a Product Recall Claim with the information shown.

Customer Notification - For US and Canada

General Motors will notify customers of this recall on their vehicle (see copy of customer letter shown in this bulletin).

In order to ensure full protection under the emission warranty, and the right to participate in future recalls, the customer notification letter recommends that customers have their vehicles serviced as soon as possible. It also advises that failure to do so could legally be determined to be lack of proper maintenance. The vehicle may fail a state or local emission inspection test if the recall work is not completed.

Customer Notification - For Export

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 sample letter.

In order to ensure full protection under the emission warranty, and the right to participate in future recalls, the customer notification letter recommends that customers have their vehicles serviced as soon as possible. It also advises that failure to do so could legally be determined to be lack of proper maintenance. The vehicle may fail a state or local emission inspection test if the recall work is not completed.

Dealer Recall Responsibility - All

All unsold new vehicles in dealers possession and subject to this recall must be held and inspected/repaired per the service procedure of this recall bulletin before customers take possession of these vehicles.

Dealers are to service all vehicles subject to this recall 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. A copy of the customer letter is shown in this bulletin for your use in contacting customers. Recall 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 recall enters your vehicle inventory, or is in your dealership for service in the future, you must take the steps necessary to be sure the recall correction has been made before selling or releasing the vehicle.

***THE FOLLOWING 2 PARAGRAPHS ARE NOT FOR CANADA OR EXPORT***

When a California emissions recall is completed by a GM dealer, the dealer must provide the vehicle owner a "Proof of Correction Certificate" which the owner may need to present to the California Department Of Motor Vehicles (DMV) when renewing their vehicle registration. Without this correction certificate, the owner may be unable to renew their vehicle registration.





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