P1436 2003 Ford F150 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 2003 Ford F150 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.
Code P1436 2003 Ford F150 Description
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.
What are the Possible Causes of the DTC P1436 2003 Ford F150?
- 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 2003 Ford F150?
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 2003 Ford F150 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.
Need more information about the P1436 2003 Ford F150 code?
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Frequently Asked Questions about P1436 2003 Ford F150 Code
1. What are the common symptoms of OBDII code P1436 on a 2003 Ford F150?
- Common symptoms include weak or warm air coming from the A/C vents, the A/C system not cooling effectively, and the A/C compressor cycling on and off frequently.
2. What can cause the A/C Evaporator Air Temperature Circuit Low code P1436 on a 2003 Ford F150?
- Possible causes of this code can include a faulty A/C evaporator temperature sensor, wiring issues, or a malfunctioning A/C control module.
3. How can I diagnose the A/C Evaporator Air Temperature Circuit Low code P1436 on my 2003 Ford F150?
- Diagnosis involves using an OBDII scanner to read the code, checking the A/C system components for any visible damage, and testing the A/C evaporator temperature sensor for proper functionality.
4. Can I still drive my 2003 Ford F150 with the P1436 code showing?
- It is generally safe to drive with this code, but it is recommended to address the issue promptly to prevent further damage to the A/C system or reduced cooling performance.
5. What are some repair tips for fixing the A/C Evaporator Air Temperature Circuit Low code on a 2003 Ford F150?
- Repair tips include checking and repairing any damaged wiring, replacing the A/C evaporator temperature sensor if faulty, and ensuring proper connections in the A/C system.
6. Is it possible to reset the P1436 code on a 2003 Ford F150 without making any repairs?
- While you can clear the code using an OBDII scanner, it is essential to address the underlying issue causing the code to prevent it from reoccurring.
7. How much does it typically cost to repair the A/C Evaporator Air Temperature Circuit Low code on a 2003 Ford F150?
- The cost can vary depending on the extent of the issue, but it may range from $100 to $300 for parts and labor.
8. Are there any preventive measures to avoid the P1436 code from appearing on a 2003 Ford F150?
- Regular maintenance of the A/C system, checking for signs of wear or damage, and addressing any cooling performance issues promptly can help prevent this code from appearing.
9. Can a DIY enthusiast fix the A/C Evaporator Air Temperature Circuit Low code on a 2003 Ford F150?
- Depending on your level of automotive knowledge and skills, some DIY enthusiasts may be able to diagnose and repair this code themselves, but it is recommended to consult a professional if unsure.
10. How long does it usually take to repair the A/C Evaporator Air Temperature Circuit Low code on a 2003 Ford F150?
- The repair time can vary based on the specific issue but typically ranges from 1 to 3 hours for diagnosis and repair.
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