AutoCodes – Honda – B1222 Honda

B1222 Honda Code - Short In The Rear Mode Control Motor Circuit

Quick Answer

The Rear Climate Control Unit monitors the Rear Mode Control Motor. Common causes include Faulty Rear Mode Control Motor, Rear Mode Control Motor harness is open or shorted, Rear Mode Control Motor 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
B1222 Honda indicates Short In The Rear Mode Control Motor Circuit.
Common causes
Common causes include Faulty Rear Mode Control Motor, Rear Mode Control Motor harness is open or shorted, Rear Mode Control Motor 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 19,136
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 19, 2024
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Code B1222 Honda Description

The Rear Climate Control Unit monitors the Rear Mode Control Motor. The Rear Climate Control Unit sets the OBDII code when the Rear Mode Control Motor is not to factory specifications.
OBDII Code B1222 Honda - Short In The Rear Mode Control Motor Circuit - AutoCodes.com
B1222 Honda Code - Short In The Rear Mode Control Motor Circuit

What are the Possible Causes of the DTC B1222 Honda?

  • Faulty Rear Mode Control Motor
  • Rear Mode Control Motor harness is open or shorted
  • Rear Mode Control Motor circuit poor electrical connection
  • Faulty Rear Climate Control Unit
  • Faulty A/C Control Panel

How to Fix the DTC B1222 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 B1222 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 B1222 Honda code?

Need more information on how to fix the B1222 Honda code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1222 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 B1222 Honda Code

1. What are the common symptoms of OBDII code B1222 in a Honda related to a short in the rear mode control motor circuit?

- Common symptoms include issues with the rear HVAC system, such as inconsistent air temperature or airflow control.

2. What typically causes the OBDII code B1222 in a Honda indicating a short in the rear mode control motor circuit?

- The code is usually triggered by a short circuit in the wiring of the rear mode control motor or a malfunction within the motor itself.

3. How can I diagnose the OBDII code B1222 in my Honda if I suspect a short in the rear mode control motor circuit?

- Use a multimeter to test the wiring and connections related to the rear mode control motor, checking for continuity and shorts.

4. Is it safe to continue driving my Honda with the OBDII code B1222 related to the rear mode control motor circuit short?

- It is generally not recommended to drive the vehicle with this issue as it could affect the proper functioning of the HVAC system.

5. Can I repair the OBDII code B1222 in my Honda indicating a short in the rear mode control motor circuit myself?

- Depending on your automotive repair skills, you may be able to repair the issue by replacing the rear mode control motor or repairing the wiring.

6. Are there any quick fixes or temporary solutions for the OBDII code B1222 in a Honda until I can address the root cause?

- Disconnecting the battery for a few minutes may reset the system and temporarily clear the code, but it is not a permanent solution.

7. How much does it cost to repair the OBDII code B1222 in a Honda caused by a short in the rear mode control motor circuit?

- The cost of repair can vary depending on the extent of the damage and whether you choose to do the repair yourself or take it to a professional mechanic.

8. Will resetting the OBDII code B1222 in my Honda make it go away permanently if the short in the rear mode control motor circuit is not fixed?

- Resetting the code without addressing the root cause will likely result in the code reappearing once the issue is detected again by the vehicle's system.

9. Can extreme weather conditions or environmental factors cause the OBDII code B1222 related to a rear mode control motor circuit short in a Honda?

- While rare, extreme weather conditions or water damage could potentially lead to a short in the rear mode control motor circuit, triggering the B1222 code.

10. Is the OBDII code B1222 specific to certain Honda models, or can it occur in various Honda vehicles?

- The B1222 code related to a short in the rear mode control motor circuit can occur in various Honda models equipped with an OBDII system.

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