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2020 FORD F-150
5.0L V8 Coyote•RWD•AUTOMATIC•gas
11 active safety recalls on this vehicle — view recalls
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Repairs420Labor1001Torque8720Fluid18DTC3818Battery2Maintenance0Recalls11
P0536low severityPowertrain

A/C Evaporator Temperature Sensor Circuit Range/Performance

on 2020 Ford F-150 5.0L V8 Coyote · RWD

What this code means

The A/C evaporator temperature sensor signal is out of its normal range. This affects climate control operation and compressor cycling.

Symptoms

  • Poor A/C cooling
  • Compressor cycling issues
  • HVAC warning or fault

Common causes

  • Faulty evaporator temperature sensor
  • Wiring or connector fault
  • Sensor out of calibration
  • HVAC control module fault

Diagnostic steps

  1. Scan for HVAC codes and freeze frame
  2. Inspect sensor wiring and connector
  3. Compare sensor reading to actual evaporator temp
  4. Replace sensor if reading is implausible
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