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P2522 Dodge Code - A/C Request 'B' Circuit

Quick Answer

The P2522 diagnostic trouble code for Dodge vehicles indicates a problem with the A/C Request 'B' Circuit. Common causes include Faulty A/C compressor, Defective A/C relay, Wiring or connection issues in the A/C Request 'B' Circuit. 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
P2522 Dodge indicates A/C Request 'B' Circuit.
Common causes
Common causes include Faulty A/C compressor, Defective A/C relay, Wiring or connection issues in the A/C Request 'B' Circuit.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P2522 Dodge Description

The P2522 diagnostic trouble code for Dodge vehicles indicates a problem with the A/C Request 'B' Circuit. This code is specifically related to the air conditioning system in the vehicle. When this code is triggered, it means that the engine control module (ECM) has detected an issue with the circuit responsible for controlling the A/C compressor.

OBDII Code P2522 Dodge - A/C Request 'B' Circuit
P2522 Dodge Code - A/C Request 'B' Circuit

Common Causes of P2522 Dodge

  1. Faulty A/C compressor
  2. Defective A/C relay
  3. Wiring or connection issues in the A/C Request 'B' Circuit
  4. ECM malfunction

Symptoms of P2522 Dodge

  1. Lack of cool air blowing from the A/C vents
  2. Inconsistent or weak airflow from the A/C system
  3. Check engine light illuminated on the dashboard
  4. Decreased engine performance while A/C is in use

How to Fix P2522 Dodge

  1. Diagnose the root cause of the issue by using a scan tool to retrieve the specific fault codes and pinpoint the faulty component.
  2. Inspect the A/C compressor, relay, and wiring for any visible signs of damage or wear.
  3. Test the A/C Request 'B' Circuit to ensure proper operation and continuity.
  4. Replace any faulty components, such as the A/C compressor, relay, or damaged wiring.
  5. Clear the fault codes from the ECM and reset the system to ensure proper functionality.

Cost to Fix P2522 Dodge

The typical repair costs for addressing the P2522 code related to the A/C Request 'B' Circuit can range from $200 to $600, depending on the specific cause of the issue and the cost of replacement parts. It's important to keep in mind that labor rates at auto repair shops can vary, typically ranging between $80 and $150 per hour. Factors such as the vehicle make and model, location, and the extent of the repairs needed can also impact the final cost. It's recommended to consult with a qualified mechanic or dealership to obtain a more accurate estimate based on your specific circumstances.

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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 P2522 Dodge Code

1. What does the OBDII code P2522 mean on a Dodge?

P2522 on a Dodge refers to an issue with the A/C Request 'B' Circuit, indicating the circuit is not operating as expected.

2. What are the common symptoms of a P2522 code?

Common symptoms include the A/C not functioning properly, inconsistent cooling, or no response when the A/C is activated.

3. What causes the P2522 code to appear?

The primary causes include a faulty A/C request switch, damaged or corroded wiring, a malfunctioning A/C control module, or issues with the vehicle's PCM.

4. Can a P2522 code affect other vehicle systems?

Yes, it may cause problems with climate control functionality and could interfere with overall vehicle comfort.

5. How can I diagnose the P2522 code?

Start by inspecting the A/C request switch, wiring, and connectors for damage or corrosion. Use a scan tool to check for additional codes and monitor the A/C circuit operation.

6. Can I drive with a P2522 code on my Dodge?

While you can drive with this code, your A/C system may not work properly, which could be a concern in extreme weather conditions.

7. How do I fix the P2522 code?

Repairs may include replacing the faulty A/C request switch, repairing or replacing damaged wiring, or reprogramming the PCM if necessary.

8. Is the P2522 code specific to Dodge vehicles?

No, the P2522 code can appear on other vehicles, but the diagnostic and repair steps may vary depending on the make and model.

9. How much does it cost to repair a P2522 code?

Repair costs vary but typically range from $100 to $300, depending on whether the issue is with the switch, wiring, or control module.

10. Can a weak battery cause the P2522 code?

Yes, a weak or failing battery can sometimes affect electrical circuits, including the A/C request circuit, leading to the P2522 code.

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