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P0481 Diagnostic Trouble Code Discussion for January 2010

Cooling Fan 2 Relay Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0481
Help Request Posted
2007 Chevrolet Avalanche LT 5.3L MIL Lamp on VIN: 3GNEK12397
P0481: Cooling Fan Relay 2 Control Circuit Malfunction. This vehicle sets a P0481 code intermittently. Working through the diagnostic procedure provided by Alldata results in the observation that the control circuit to cooling fan relay 2 ( high speed ) has a good feed and a good control circuit to the PCM, the fan...
January 26, 2010