Question about 2003 Chevrolet Impala
2003 Chev Impala 3.8 Code P0481 Replaced both radiator coolong fans seemed to make howling noise at startup... Howling stopped check light reset codebut the car light came bak on shortly after. Both Fans work fine engine stays cool 160-180 Replaced the 3 fan ralays in engine compartment then replaced fan sensor(turns on the fans) under the thermostat. Engine light persists with the P0481 code. I do not have the owners manual to see if the relays I replace were the right ones or only ones. Any help would be apprecieated
Looked it up in Chilton's, confirmed in http://www.obd-codes.com/trouble_codes/
P0481 Cooling Fan 2 Control Circuit Malfunction
Each fan will throw a different code. See 3 fans listed for your model. Here's a link for the wiring schematic: http://www.chiltonlibrary.com/content/images/WD/GM/014/WD_GM_014788.pdf
Best of luck.
Posted on May 23, 2009
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Posted on Jan 02, 2017
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