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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 196 (Engine Cooling System) >> Diagnostic Information and Procedures >> DTC P0480 or P0481 >> 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 Open/High Resistance Short to Voltage Signal Performance
Low Speed Cooling Fan Relay Control Circuit for Fan 1 Relay P0480 P0480 P0480 -
Fan 1 Relay Voltage Supply Circuit P0480 P0480 P0480 -
High Speed Cooling Fan Relay Control Circuit for Fan 2 and 3 Relays P0481 P0481 P0481 -
Fan 2 and 3 Relays Coil Voltage Supply Circuit P0481 P0481 P0481 -
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