Conditions for Setting the DTCs
WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
- No valid messages are detected on the class 2 serial data circuit.
- The voltage level detected on the class 2 serial data circuit is under one of the following conditions:
- Always high
- Always low
- The above conditions are met for approximately 3 seconds.