DTC P0494: Fan Speed Low
WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0494: FAN SPEED LOW
| Description: | This DTC sets if the indicated fan speed is lower than the calibrated value during the key ON, engine running (KOER) self-test. | ||
| Possible Causes: |
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| Diagnostic Aids: | Visually inspect the cooling fan clutch for damage or obstruction. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST AH . | ||