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DTC P0480 [L3]: Notes

DTC P0480 (L3) DETECTION CONDITION & POSSIBLE CAUSES

DTC P0480 Fan control circuit problem
DETECTION CONDITION 
  • The PCM monitors the input voltages from the fan control module. If the voltage at PCM terminal 1R remains low or high, the PCM determines that fan control circuit has malfunction.

Diagnostic support note 
  • This is an continuous monitor (Other).
  • The MIL does not illuminate.
  • FREEZE FRAME DATA is not available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • Fan control module connector or terminal malfunction
  • Short to ground in the wiring harness between fan control module terminal B and PCM terminal 1R
  • PCM connector or terminal malfunction
  • Short to power supply in the wiring harness between fan control module terminal B and PCM terminal 1R
  • Open circuit in the wiring harness between fan control module terminal B and PCM terminal 1R
  • Fan control module malfunction
  • PCM malfunction
G06149049
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