Diagnostic Fault Information
WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
| Circuit |
Short to Ground |
Open / High Resistance |
Short to Voltage |
Signal Performance |
| Ignition 1 Voltage - Purge Supply |
P0443 |
P0443 |
- |
- |
| Battery Positive - Vent Supply |
P0449 |
P0449 |
- |
- |
| EVAP Purge Solenoid Control |
P0443 |
P0443 |
P0443 |
- |
| EVAP Vent Solenoid Control |
P0449 |
P0449 |
P0449 |
- |