Conditions for Setting the DTC
WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
- The VIU detects a short to ground or short to B+ on the serial data return circuit.
- The VIU detects a short to ground or short ro B+ on serial data (-) circuit.
- The VIU detects a short to ground or short ro B+ on serial data (+) circuit.
- The VIU detects an open on the battery positive voltage circuit.
- All the above conditions are present for greater than 300 ms.