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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1864 (Engine Cooling System) >> Diagnostic Information and Procedures >> DTC P0480 or P0481 (2.2L and 2.4L) >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0480 or P0481 (2.2L and 2.4L)

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Low Speed Cooling Fan Relay Control Circuit P0480 P0480 P0480 -
Low Speed Cooling Fan Relay Coil Voltage Supply Circuit P0480 P0480 P0480 -
High Speed Cooling Fan Relay Control Circuit P0481 P0481 P0481 -
High Speed Cooling Fan Relay Coil Voltage Supply Circuit P0481 P0481 P0481 -