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What is the significance of code p0480 appearing on a Chevy Trailblazer?
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In American terms, if you have a Chevrolet TrailBlazer or a car with OBD-II capabilities and you see error code P0480 pop up, that means there's a problem with the cooling fan's control circuit. This typically means the powertrain control module (PCM) has detected an issue with the fan or its wiring. The culprit could be a range of things, from a simple blown cooling fan relay to more serious issues like a faulty PCM. It's usually best to start with the most common issues, like checking and possibly replacing the relay, before moving on to pricier fixes like getting a new PCM.
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Your Chevy Trailblazer will display a P0480 trouble code when the vehicle's computer detects a discrepancy between the driver's actions and the control circuit's expected state.
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