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P1627 Dodge Code - A/C Pressure Sensor Volts Too High

Quick Answer

The P1627 diagnostic trouble code for Dodge vehicles indicates that the A/C pressure sensor is reading a voltage that is too high. Common causes include Faulty A/C pressure sensor, Wiring issues or shorts in the A/C pressure sensor circuit, Refrigerant leakage in the A/C system. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P1627 Dodge indicates A/C Pressure Sensor Volts Too High.
Common causes
Common causes include Faulty A/C pressure sensor, Wiring issues or shorts in the A/C pressure sensor circuit, Refrigerant leakage in the A/C system.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
What is this?
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code P1627 Dodge Description

The P1627 diagnostic trouble code for Dodge vehicles indicates that the A/C pressure sensor is reading a voltage that is too high. This sensor is responsible for monitoring the pressure of the refrigerant in the air conditioning system. When the sensor detects that the voltage is outside of the specified range, it triggers the P1627 code. This could be due to a variety of issues, such as a faulty sensor, wiring problems, or issues with the air conditioning system itself.

OBDII Code P1627 Dodge - A/C Pressure Sensor Volts Too High
P1627 Dodge Code - A/C Pressure Sensor Volts Too High

Common Causes of P1627 Dodge

  1. Faulty A/C pressure sensor
  2. Wiring issues or shorts in the A/C pressure sensor circuit
  3. Refrigerant leakage in the A/C system
  4. Malfunctioning A/C compressor
  5. Issues with the A/C system control module

Symptoms of P1627 Dodge

  1. Inadequate cooling from the air conditioning system
  2. A/C compressor not engaging
  3. Illumination of the check engine light
  4. Fluctuating or erratic A/C performance
  5. Strange noises coming from the A/C system

How to Fix P1627 Dodge

  1. Begin by diagnosing the root cause of the issue using a diagnostic scanner to read the fault codes and perform further testing on the A/C pressure sensor.
  2. Inspect the wiring and connections related to the A/C pressure sensor to check for any signs of damage or corrosion. Repair or replace any damaged wiring as necessary.
  3. Test the A/C pressure sensor itself to determine if it is functioning correctly. Replace the sensor if it is found to be faulty.
  4. Check the refrigerant levels in the A/C system and repair any leaks that may be present. Recharge the system with the appropriate amount of refrigerant.
  5. Clear the fault codes from the vehicle's computer using the diagnostic scanner and test the A/C system to ensure that the issue has been resolved.

Cost to Fix P1627 Dodge

The cost of repairing a P1627 code for a Dodge vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost for parts such as a new A/C pressure sensor can range from $50 to $150, while labor costs can range from $100 to $300. In total, the repair for this issue could cost anywhere from $150 to $450. However, it is important to note that these are rough estimates, and actual costs may vary based on location, vehicle make and model, and the specific repair shop. It is recommended to obtain quotes from multiple repair shops to ensure an accurate cost estimate.

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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.

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