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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 252 (Engine Control System & Fuel - 4.8L, 5.3L, 6.0L, Or 6.2L - DTC P0230 To DTC P0690) >> DTC P0443 or P0449 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground High Resistance Open Short to Voltage Signal Performance
Ignition 1 Voltage - Purge Supply P0443 P0443 P0443 - -
Battery Positive - Vent Supply P0449 P0449 P0449 - -
EVAP Purge Solenoid Control P0443 P0443 P0443 P0443 -
EVAP Vent Solenoid Control P0449 P0449 P0449 P0449 -
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