AutoCodes – Honda – B1223 Honda

B1223 Honda Code - Problem In The Rear Blower Motor Circuit

Quick Answer

The Rear Climate Control Unit monitors the Rear Blower Motor. Common causes include Faulty Rear Power Transistor, Faulty Rear Blower Motor Relay, Faulty Rear Blower Motor. 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: B1223 Honda indicates Problem In The Rear Blower Motor Circuit.
Common causes: Common causes include Faulty Rear Power Transistor, Faulty Rear Blower Motor Relay, Faulty Rear Blower Motor.
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 6,477

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 Nov 19, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1223 Honda Description

The Rear Climate Control Unit monitors the Rear Blower Motor. The Rear Climate Control Unit sets the OBDII code when the Rear Blower Motor is not to factory specifications.

OBDII Code B1223 Honda - Problem In The Rear Blower Motor Circuit - AutoCodes.com — B1223 Honda Code - Problem In The Rear Blower Motor Circuit

What does this mean?

What are the Possible Causes of the DTC B1223 Honda?

Faulty Rear Power Transistor
Faulty Rear Blower Motor Relay
Faulty Rear Blower Motor
Rear Blower Motor harness is open or shorted
Rear Blower Motor circuit poor electrical connection
Faulty Rear Climate Control Unit
Faulty A/C Control Panel

How to Fix the DTC B1223 Honda?

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 B1223 Honda 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 B1223 Honda code?

Need more information on how to fix the B1223 Honda code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1223 Honda code diagnosed by a professional: Find a repair shop in your area

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 B1223 Honda Code

1. What are the common symptoms of OBDII code B1223 in a Honda related to the rear blower motor circuit?

- Common symptoms include the rear blower motor not working, reduced airflow in the rear vents, or no air coming out of the rear vents at all.

2. What could be causing the OBDII code B1223 in a Honda related to the rear blower motor circuit?

- Possible causes include a faulty rear blower motor, a blown fuse, a damaged blower motor resistor, or wiring issues in the rear blower motor circuit.

3. How can I diagnose the problem with the rear blower motor circuit causing OBDII code B1223 in my Honda?

- You can start by checking the fuse related to the rear blower motor, testing the rear blower motor for functionality, inspecting the blower motor resistor, and examining the wiring for any damage or loose connections.

4. What are some repair tips for fixing OBDII code B1223 in a Honda related to the rear blower motor circuit?

- Repair tips include replacing a faulty rear blower motor, installing a new blower motor resistor if needed, ensuring all wiring connections are secure, and resetting the OBDII code after repairs are completed.

5. Can I reset the OBDII code B1223 in my Honda after fixing the issue with the rear blower motor circuit?

- Yes, you can reset the OBDII code using an OBDII scanner or by disconnecting the car battery for a few minutes to clear the code from the system.

6. Is it safe to continue driving my Honda with OBDII code B1223 related to the rear blower motor circuit?

- It is generally safe to continue driving, but it is recommended to address the issue promptly to ensure proper ventilation and comfort for passengers in the rear seats.

7. How much does it typically cost to repair OBDII code B1223 in a Honda due to a problem in the rear blower motor circuit?

- The cost of repair can vary depending on the specific issue, but it may range from $100 to $300 for parts and labor, assuming no major components need replacement.

8. Are there any recalls or technical service bulletins related to OBDII code B1223 in Honda vehicles with rear blower motor circuit problems?

- It is advisable to check with a Honda dealership or visit the manufacturer's website to see if there are any recalls or technical service bulletins addressing this specific issue.

9. Can a DIY enthusiast with basic automotive knowledge fix OBDII code B1223 in a Honda related to the rear blower motor circuit?

- Yes, some basic repairs like checking fuses, testing the blower motor, and inspecting wiring connections can be done by DIY enthusiasts. However, more complex issues may require professional assistance.

10. How can I prevent OBDII code B1223 from reoccurring in my Honda after repairing the rear blower motor circuit problem?

- To prevent the code from reoccurring, ensure proper maintenance of the rear blower motor system, address any electrical issues promptly, and follow the manufacturer's recommended service schedule.