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P0480 Diagnostic Trouble Code Discussion for October 2007

Cooling Fan 1 Relay Control Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0480
Help Request Posted
2005 Chevrolet Cobalt LS 2.2L MIL Lamp on VIN: 1G1AL12F45
P0480: Cooling Fan Relay 1 Control Circuit Malfunction. ... complaining of a MIL light on and cooling fan running at high speed when KOEO or KOER. Found code P0480 (Coolant Fan 1 control circuit). Checked data stream (Modis) for high ECT reading, AC active, both were ok. Had no data stream for PCM activation of coo...
October 29, 2007
2005 Chevrolet Cobalt LS 2.2L MIL Lamp on VIN: 1G1AL12F45
P0480: Cooling Fan Relay 1 Control Circuit Malfunction. ... complaining of a MIL light on and cooling fan running at high speed when KOEO or KOER. Found code P0480 (Coolant Fan 1 control circuit). Checked data stream (Modis) for high ECT reading, AC active, both were ok. Had no data stream for PCM activation of coo...
October 29, 2007