DTC P0529 - Fan Speed Sensor Circuit Intermittent

2021 Ford Edge SE, 4WDSECTION DTC P0529 - Fan Speed Sensor Circuit Intermittent
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2019 Ford Transit-350 HD, 2019 Ford Transit-350, 2019 Ford Transit-250, 2019 Ford Transit-150, and 2019 Ford F-550 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
DTC DESCRIPTION P0529 - FAN SPEED SENSOR CIRCUIT INTERMITTENT

Description:  This DTC sets when the current fan speed differs from the previous calibrated fan speed by greater than a calibrated value.
Possible Causes: 
  • FSS circuit intermittently open
  • Damaged FSS
Diagnostic Aids:  View the FANSS PID to monitor the FSS input.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST AH .
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.