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P1436 2002 Ford F150 Code - A/C Evaporator Air Temperature Circuit Low

- Code Popularity: 1,757 Views
- Repair Importance Level: 1/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1436 2002 Ford F150?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty A/C Evaporator Temperature (ACET) Sensor
  • A/C Evaporator Temperature Sensor harness is open or shorted
  • A/C Evaporator Temperature Sensor circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)
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How to Fix the DTC P1436 2002 Ford F150?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1436 2002 Ford F150 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P1436 2002 Ford F150 Description

The A/C Evaporator Temperature (ACET) sensor contains a thermistor which receives a reference voltage from the Powertrain Control Module (PCM). The thermistor then varies the resistance to the reference voltage based on the evaporator discharge air temperature. The resulting voltage is returned to the PCM where it is interpreted as an evaporator discharge air temperature reading.
The PCM maintains evaporator core temperature and prevents icing of the evaporator core, by disengaging the A/C compressor clutch when the evaporator A/C Evaporator Temperature sensor reading falls below acceptable levels, and by engaging the A/C compressor clutch when the discharge air temperature rises above acceptable levels.
The A/C Evaporator Temperature sensor is located inside of the heater core and evaporator core housing in the air-stream leaving the evaporator core.
The Diagnostic Trouble Code (DTC) Indicates the ACET signal input is less than Self-Test minimum. The Self-Test minimum is 0.13 volts.

OBDII Code P1436 2002 Ford F150 - A/C Evaporator Air Temperature Circuit Low - AutoCodes.com
P1436 2002 Ford F150 Code - A/C Evaporator Air Temperature Circuit Low

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