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B1220 Honda Code - Short In The Recirculation Control Motor Circuit

Quick Answer

The B1220 Honda diagnostic trouble code (DTC) refers to a short in the recirculation control motor circuit. Common causes include Electrical short in the recirculation control motor circuit, Faulty recirculation control motor, Damaged wiring or connectors in the circuit. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B1220 Honda indicates Short In The Recirculation Control Motor Circuit.
Common causes
Common causes include Electrical short in the recirculation control motor circuit, Faulty recirculation control motor, Damaged wiring or connectors in the circuit.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 06, 2024
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Code B1220 Honda Description

The B1220 Honda diagnostic trouble code (DTC) refers to a short in the recirculation control motor circuit. This code indicates that there is an issue with the recirculation control motor circuit, which is responsible for controlling the flow of air inside the HVAC (Heating, Ventilation, and Air Conditioning) system. The recirculation control motor helps regulate whether the air inside the vehicle is recirculated or drawn in from the outside.

OBDII Code B1220 Honda - Short In The Recirculation Control Motor Circuit
B1220 Honda Code - Short In The Recirculation Control Motor Circuit

Common Causes of B1220 Honda

  1. Electrical short in the recirculation control motor circuit
  2. Faulty recirculation control motor
  3. Damaged wiring or connectors in the circuit
  4. Corrosion or moisture in the electrical connections
  5. Issues with the HVAC control module

Symptoms of B1220 Honda

  1. Inability to switch between recirculating cabin air and outside air
  2. Poor airflow quality
  3. Inconsistent temperature control
  4. Unusual noises coming from the HVAC system
  5. HVAC system not responding to control inputs

How to Fix B1220 Honda

  1. Begin by diagnosing the exact cause of the issue using a diagnostic scanner to read the DTC and identify the specific problem area.
  2. Inspect the recirculation control motor and its wiring for any visible damage or signs of wear.
  3. Test the electrical connections in the circuit to check for continuity and proper voltage levels.
  4. Replace the recirculation control motor if it is found to be faulty, and repair or replace any damaged wiring or connectors.
  5. Clear the DTC from the vehicle's computer using a diagnostic scanner and test the HVAC system to ensure proper operation.

Cost to Fix B1220 Honda

The typical repair costs for addressing a short in the recirculation control motor circuit can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the cost of parts for this repair can range from $100 to $300, while labor costs can range from $150 to $300. However, it is important to note that these are rough estimates, and actual costs may vary based on the location of the repair shop, the make and model of the vehicle, and other factors. It is advisable to consult with a professional mechanic for a more accurate cost 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 B1220 Honda Code

1. What are the common symptoms of OBDII code B1220 Honda (Short In The Recirculation Control Motor Circuit)?

- Common symptoms include the inability to control the recirculation of air inside the vehicle, erratic behavior from the HVAC system, and potential issues with the air conditioning.

2. What can cause OBDII code B1220 Honda to occur?

- This code is typically triggered by a short circuit in the recirculation control motor circuit, often caused by damaged wiring, a faulty motor, or a malfunctioning control module.

3. How serious is OBDII code B1220 Honda?

- This code is not considered a critical issue, but it can affect the functionality of the HVAC system and the comfort level inside the vehicle. It's recommended to address the problem to ensure proper operation.

4. How can I diagnose OBDII code B1220 Honda?

- Diagnosis usually involves inspecting the wiring harness and connectors related to the recirculation control motor circuit, testing the motor itself for proper function, and using a scan tool to read the code.

5. What are some repair tips for resolving OBDII code B1220 Honda?

- Repair tips may include repairing or replacing damaged wiring, replacing the recirculation control motor if faulty, or reprogramming the control module if necessary.

6. Can OBDII code B1220 Honda be fixed at home, or do I need professional help?

- Depending on your automotive repair skills and tools available, you may be able to address this code at home. However, complex electrical issues may require the expertise of a professional mechanic.

7. Is it safe to continue driving with OBDII code B1220 Honda present?

- It is generally safe to drive with this code, but you may experience discomfort due to the HVAC system not functioning correctly. It's best to address the issue sooner rather than later.

8. How much does it typically cost to repair OBDII code B1220 Honda?

- The cost of repairing this code can vary depending on the underlying cause and whether you perform the repairs yourself or seek assistance from a mechanic. Costs may include parts and labor.

9. Can OBDII code B1220 Honda come back after being reset?

- If the root cause of the code is not properly addressed, it is possible for it to return after being reset. Make sure to diagnose and repair the issue completely to prevent recurrence.

10. Are there any preventive measures to avoid OBDII code B1220 Honda in the future?

- Regularly inspecting and maintaining the HVAC system, checking for any signs of wiring damage, and addressing any issues promptly can help prevent the occurrence of this code.

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