Ok so a friend of mine has a 99 cav and had a cel so i went and checked it and found this, couldnt read it well not much light but it was something along the lines of a coolant circuit fan or something

what is it, and how does it get fixed



1989 Turbo Trans Am #82, 2007 Cobalt SS G85

generic answer #1:

DTC P0480
Fan control circuit malfunction

DETECTION CONDITION

The PCM monitors the input voltages from the fan control module. If the voltage at PCM terminal 44 remains low or high, the PCM determines that the fan control circuit has a malfunction.
Diagnostic support note
This is an continuous monitor (other).
MIL does not come on.
PENDING CODE is available if PCM detects the above malfunction condition during first drive cycle.
FREEZE FRAME DATA is available.
DTC is stored in the PCM memory.

POSSIBLE CAUSE
Fan control module malfunction
Connector or terminal malfunction
Open circuit between fan control module terminal 1B and PCM terminal 44
Short to power circuit between fan control module terminal 1B and PCM terminal 44
Short to GND circuit between fan control module terminal 1B and PCM terminal 44
PCM malfunction




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My coolant fan seized up and blew a fuse and set this code. Test your fan by applying 12 volts to it. The fuse is under hood. (megafuse).