For 1990-2009 cars

# ECM AND BCM MODULE EXCHANGE PROGRAM

#### VEHICLES AFFECTED: ALL 1987 EQUIPPED WITH ECM OR BCM

To ensure that replacement units are returned as soon as possible, ECM and BCM units are excluded from the normal 30 day parts retention policy as presented in the current GM of Canada Service Policies and Procedures Manual. ECMs and BCMs are to be returned to Parts Distribution Centres weekly in accordance with Section IV, Item H (Parts Return) the current GM Dealer Parts and Accessories Policies and Procedures Manual.

Elimination of the 30 day retention period for these units will speed analysis and resolution of any reported malfunctions. It will also result in earlier receipt of credit for the cores.

A two-part Return Tag is included in the remanufactured ECM and BCM container. All areas of the tag are to be properly completed for all units returned for repair. After completion of the tag, the extra copy is to be attached to the scrap copy of the repair order and retained for diposition by the GM of Canada Zone Representative.

Please make sure all affected personnel review this bulletin so all replaced ECM and BCM units are promptly returned.

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those 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 a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.