AutoCodes – Generic – B1222

B1222 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 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.

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Code Popularity 19,083

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 B1222 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 - Short In The Rear Mode Control Motor Circuit - AutoCodes.com — B1222 Code - Short In The Rear Mode Control Motor Circuit

What does this mean?

What are the Possible Causes of the DTC B1222?

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?

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 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 code?

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

Need Help with the Code?

Get the B1222 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1222 Acura — Short In The Rear Mode Control Motor Circuit
B1222 Chrysler — Right Heated Seat LO Indicator Control Circuit High
B1222 Dodge — Right Heated Seat LO Indicator Control Circuit High
B1222 Honda — Short In The Rear Mode Control Motor Circuit
B1222 Jeep — Right Heated Seat LO Indicator Control Circuit High
B1222 RAM — Right Heated Seat LO Indicator Control Circuit High

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 Code

1. What are the common symptoms of OBDII code B1222 (Short In The Rear Mode Control Motor Circuit)?

The common symptoms include issues with the rear mode control motor not functioning properly, leading to difficulties in adjusting the airflow direction in the vehicle's HVAC system.

2. What are the possible causes of OBDII code B1222?

Possible causes of this code include a short circuit in the wiring connected to the rear mode control motor, a faulty rear mode control motor, or issues with the HVAC control module.

3. How can I diagnose the OBDII code B1222?

Diagnosing this code typically involves using a scan tool to retrieve the fault codes, inspecting the wiring and connectors related to the rear mode control motor, and testing the functionality of the motor itself.

4. Can I still drive my vehicle with OBDII code B1222 present?

While it may be possible to drive the vehicle with this code present, it is recommended to address the issue promptly to avoid further HVAC system malfunctions and potential discomfort while driving.

5. How can I repair OBDII code B1222?

Repairing this code often involves fixing any short circuits in the wiring, replacing the rear mode control motor if necessary, and resetting the fault codes using a scan tool.

6. Is it safe to reset the OBDII code B1222 without addressing the underlying issue?

It is not recommended to simply reset the code without addressing the root cause, as the problem will likely reoccur, leading to continued HVAC system issues.

7. Can extreme weather conditions impact the occurrence of OBDII code B1222?

Extreme weather conditions can potentially exacerbate issues related to the rear mode control motor and wiring, leading to the triggering of this OBDII code.

8. Are there any preventive maintenance tips to avoid OBDII code B1222?

Regularly checking and maintaining the HVAC system components, including the rear mode control motor and associated wiring, can help prevent the occurrence of this code.

9. How long does it typically take to repair OBDII code B1222?

The repair time for this code can vary depending on the specific cause of the issue, but it usually takes anywhere from 1 to 3 hours to diagnose and fix the problem.

10. Can a DIY enthusiast with basic automotive knowledge repair OBDII code B1222?

While some DIY enthusiasts may be able to address this code, it is recommended to consult a professional mechanic for an accurate diagnosis and proper repair to ensure the issue is resolved effectively.