Conditions for Running the DTC

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

The system voltage is at least 9.0 volts and no more than 16.0 volts.
The BCM must be receiving a message from the RCDLR while in the program mode.