AutoCodes – Ford – P1436 2010 Ford Fusion

P1436 2010 Ford Fusion Code - A/C Evaporator Air Temperature Circuit Low

Quick Answer

The A/C Evaporator Temperature (ACET) sensor contains a thermistor which receives a reference voltage from the Powertrain Control Module (PCM). Common causes include 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. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: P1436 2010 Ford Fusion indicates A/C Evaporator Air Temperature Circuit Low.
Common causes: Common causes include 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.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 1,851

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 29, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1436 2010 Ford Fusion 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 (non-hybrid) or decreasing the electric A/C compressor speed (hybrid) when the evaporator A/C Evaporator Temperature sensor reading falls below acceptable levels, and by engaging the A/C compressor clutch (non-hybrid) or increasing the electric A/C compressor speed (hybrid) 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 2010 Ford Fusion - A/C Evaporator Air Temperature Circuit Low - AutoCodes.com — P1436 2010 Ford Fusion Code - A/C Evaporator Air Temperature Circuit Low

What does this mean?

What are the Possible Causes of the DTC P1436 2010 Ford Fusion?

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)

How to Fix the DTC P1436 2010 Ford Fusion?

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1436 2010 Ford Fusion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1436 2010 Ford Fusion Code

1. What are the common symptoms of OBDII code P1436 in a 2010 Ford Fusion related to the A/C Evaporator Air Temperature Circuit Low?

- Common symptoms include weak or no air conditioning cooling, inconsistent A/C performance, and potential issues with the temperature control inside the vehicle.

2. What are the possible causes of OBDII code P1436 in a 2010 Ford Fusion regarding the A/C Evaporator Air Temperature Circuit Low?

- Possible causes may include a faulty A/C evaporator temperature sensor, damaged wiring or connectors in the circuit, or issues with the A/C control module.

3. How can I diagnose OBDII code P1436 in a 2010 Ford Fusion associated with the A/C Evaporator Air Temperature Circuit Low?

- Diagnosis typically involves using an OBDII scanner to retrieve the trouble code, checking the A/C system for any visible signs of damage, and testing the components related to the evaporator air temperature circuit.

4. What are some repair tips for addressing OBDII code P1436 in a 2010 Ford Fusion related to the A/C Evaporator Air Temperature Circuit Low?

- Repair tips may include inspecting and repairing any damaged wiring or connectors, replacing the A/C evaporator temperature sensor if necessary, and resetting the fault code after completing the repairs.

5. Can I continue to drive my 2010 Ford Fusion with OBDII code P1436 indicating an issue with the A/C Evaporator Air Temperature Circuit Low?

- It is not recommended to ignore this code and continue driving, as it can lead to further A/C system problems and discomfort while driving. It is best to address the issue promptly.

6. Is it possible to reset OBDII code P1436 in a 2010 Ford Fusion related to the A/C Evaporator Air Temperature Circuit Low without making any repairs?

- While you can clear the fault code using an OBDII scanner, it is crucial to identify and fix the underlying issue causing the code to prevent future A/C system malfunctions.

7. How much does it typically cost to repair OBDII code P1436 in a 2010 Ford Fusion associated with the A/C Evaporator Air Temperature Circuit Low?

- Repair costs can vary depending on the exact cause of the issue, but they may involve expenses for parts replacement, labor fees, and diagnostic charges from a mechanic or dealership.

8. Are there any preventive measures I can take to avoid OBDII code P1436 in my 2010 Ford Fusion related to the A/C Evaporator Air Temperature Circuit Low?

- Regular maintenance of the A/C system, including checking for any signs of wear or damage, can help prevent issues that could trigger this specific trouble code.

9. Can extreme weather conditions or climate affect the likelihood of OBDII code P1436 occurring in a 2010 Ford Fusion with regards to the A/C Evaporator Air Temperature Circuit Low?

- Extreme temperatures or climate conditions can potentially impact the performance of the A/C system and contribute to issues related to the evaporator air temperature circuit, making it important to ensure proper A/C system function.

10. How long does it usually take to repair OBDII code P1436 in a 2010 Ford Fusion indicating an A/C Evaporator Air Temperature Circuit Low fault?

- The repair duration can vary based on the complexity of the issue and the availability of parts, but it is advisable to consult with a qualified mechanic for a more accurate estimate of the repair timeline.