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2003 Cadillac DeVille 4.6L Accessories
Posted to GM Electrical on 6/16/2011 4 Replies

Hi have this 03 cadillac deville, it will over heat when ac is on, hi speed fan dooes not come on. Gives code p0481, i replaced all the fan relays ( had buncch of them), i can use my modis to turn both fan on, but ecm will not turn the high speed on, if i clea...

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car Vehicle Data

2003 Cadillac DeVille

VIN Y03U116356
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
Message Closed

car Vehicle Data

2003 Cadillac DeVille

VIN Y03U116356
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection