Conditions for Setting the DTC
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 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. | |||