DTC P0480: Notes
DTC P0480 [AJ] DETECTION CONDITION AND POSSIBLE CAUSES
| 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 1U remains low or high, the PCM determines that the fan control circuit has a malfunction.
Diagnostic support note
- This is an continuous monitor (Other).
- The MIL does not illuminate.
- PENDING CODE is available if the PCM detects the above malfunction condition.
- FREEZE FRAME DATA is not available.
- DTC is stored in the PCM memory.
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| POSSIBLE CAUSE |
- Fan control module malfunction
- Connector or terminal malfunction
- Open circuit between fan control module terminal 1B and PCM terminal 1U
- Short to power circuit between fan control module terminal 1B and PCM terminal 1U
- Short to ground circuit between fan control module terminal 1B and PCM terminal 1U
- PCM malfunction
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