DTC P0494 - Fan Speed Low
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2018 Ford Transit-350 HD, 2018 Ford Transit-350, 2018 Ford Transit-250, 2018 Ford Transit-150, and 2018 Ford F-550 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
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 . | ||