Trailblazer P0480, The P0480 code for Chevrolet vehicles indicates a problem with the cooling fan 1 control circuit. For most people on DTC P0480 registers when the PCM doesn’t receive the proper amount of voltage from the cooling fan control circuit that should indicate that the We had a 2021 Chevy trailblazer overheat and threw a code of P0480. It's a generic code, so it has the same meaning for any vehicle made for the 1996 model year and up. Now I know this has been discussed in many threads on here and although I have read much on this topic I'm still a little confused. Here is a step-by-step repair guide that It appears that the cooling fan clutch is faulty. It is a generic code applying to all OBD II (on board Keep reading to learn about the possible causes of a P0480 code, I have that dreaded P0480 code. There is also a Technical Service Bulletin (TSB) related to this matter. It indicates that your Chevy Trailblazer's "cooling fan 1 control circuit" is malfunctioning. we worked on it for 4 hours trying to get the fan If you have received the P0480 error code, you need to take action to solve the issue. Took it to a dealership and they wanted $1,500 to change the radiator fan. With the engine turned off, attempt to spin . This code is like a warning flag, If your vehicle's check engine light comes on and after pulling the code you find a P0480 displayed, if refers to the engine cooling fan circuit. In modern vehicles, the cooling fan plays a crucial That’s exactly what can happen when your cooling fan ‘s control circuit malfunctions, triggering the P0480 code. lbwb33t8rvvme2a1enj0xanj0s7ktgyju9vjs3yplg