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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 463 (Engine Cooling System) >> Diagnostic Information and Procedures >> DTC P0480 or P0481 (without HP2) >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 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
Relay Coil Voltage Supply Circuit - P0480, P0481 - -
Cooling Fan Relay 1 Control Circuit for the Fan LO Relay P0480 P0480 P0480 -
Cooling Fan Relay 2 and 3 Control Circuit for the Fan CNTRL and FAN HI Relays P0481 P0481 P0481 -
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