Conditions For Setting The DTC

WARNING: This page is about a different car, the 2002 Chevrolet Monte Carlo, 2002 Chevrolet Impala, 2001 Chevrolet Monte Carlo, and 2001 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

At least one critical operating parameter has not been associated with an identification number within about 5 seconds after beginning serial data communication.