Ford
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Hydraulic Cooling Fan Primary Circuit Conditions
Cause:
    Key on or engine running, low cooling fan enabled, then the PCM detected that the fan circuit voltage was too high or too low when compared to stored limits.

Mazda
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Cooling fan "low" (Tribute) - circuit malfunction
Cause:
    Wiring, cooling fan relay, cooling fan, ECM