Conditions for Setting the DTC
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
One of the 3 monitored ignition switch circuits has malfunctioned. The DTC will set, if one of the following situations is present:
Incorrect Ignition Switch Inputs
| BCM Input and Scan Tool Display | Engine Running | ||
|---|---|---|---|
| Ignition Accessory | Ignition 1 | Ignition 0 | |
| Inactive | On | Off | No |
| Active | Off | Off | No |
| Active | On | Off | No |
| Inactive | On | Off | Yes |
| Inactive1 | On | On | Yes |
| Active | Off | Off | Yes |
| Active | Off | On | Yes |
| Active | On | Off | Yes |
| 1 The module sets the DTC 1 minute after it detects the condition. | |||