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Home >> Chevrolet >> 2012 >> Cruze Eco, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 140 (Engine Cooling System) >> Diagnostic Information and Procedures >> DTC P0480 or P0481 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. 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 Coil Voltage Supply Circuit P0480 P0480 P0480 -
High Speed Cooling Fan Relay Coil Voltage Supply Circuit P0481 P0481 P0481 -
Low Speed Cooling Fan Relay Switch Ignition Circuit P0480 1 - -
High Speed Cooling Fan Relay Switch Ignition Circuit P0481 3 - -
Low Speed Cooling Fan Relay Control Circuit P0480 P0480 P0480 -
High Speed Cooling Fan Relay Control Circuit P0481 P0481 P0481 -
Low Speed Relay Controlled Output Circuit P0480 1 2 -
High Speed Relay Controlled Output Circuit P0481 3 4 -
1. Low speed fan inoperative without a DTC.
2. Low speed fan always ON without a DTC.
3. High speed fan inoperative without a DTC.
4. High speed fan always ON without a DTC.
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