AutoCodes – Acura – B1237 Acura

B1237 Acura Code - Short In The Passenger Side Air Mix Control Motor Circuit

Quick Answer

The Climate Control Unit monitors the Passenger Side Air Mix Control Motor. Common causes include Faulty Passenger Side Air Mix Control Motor, Passenger Side Air Mix Control Motor harness is open or shorted, Passenger Side Air Mix 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
B1237 Acura indicates Short In The Passenger Side Air Mix Control Motor Circuit.
Common causes
Common causes include Faulty Passenger Side Air Mix Control Motor, Passenger Side Air Mix Control Motor harness is open or shorted, Passenger Side Air Mix 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 2,613
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 B1237 Acura Description

The Climate Control Unit monitors the Passenger Side Air Mix Control Motor. The Climate Control Unit sets the OBDII code when the Passenger Side Air Mix Control Motor is not to factory specifications.
OBDII Code B1237 Acura - Short In The Passenger Side Air Mix Control Motor Circuit - AutoCodes.com
B1237 Acura Code - Short In The Passenger Side Air Mix Control Motor Circuit

What are the Possible Causes of the DTC B1237 Acura?

  • Faulty Passenger Side Air Mix Control Motor
  • Passenger Side Air Mix Control Motor harness is open or shorted
  • Passenger Side Air Mix Control Motor circuit poor electrical connection
  • Faulty Climate Control Unit

How to Fix the DTC B1237 Acura?

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 B1237 Acura 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.

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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 B1237 Acura Code

1. What are the common symptoms of OBDII code B1237 in an Acura related to a short in the passenger side air mix control motor circuit?

The common symptoms may include inconsistent or incorrect temperature output from the passenger side air vents, the inability to adjust the temperature settings on the passenger side, and potential issues with the dual-zone climate control system.

2. What could cause the OBDII code B1237 in an Acura signaling a short in the passenger side air mix control motor circuit?

Potential causes of this code could be a damaged or faulty passenger side air mix control motor, a short circuit in the wiring harness connected to the motor, or a problem with the climate control module.

3. How can I diagnose the issue triggering OBDII code B1237 in my Acura?

To diagnose the problem, you can start by visually inspecting the wiring harness connected to the passenger side air mix control motor for any signs of damage or wear. You can also use a multimeter to test for continuity and check the motor's functionality.

4. Is it safe to continue driving my Acura with OBDII code B1237 related to a short in the passenger side air mix control motor circuit?

It is generally not recommended to continue driving the vehicle with this issue, as it can impact the performance of the climate control system and lead to discomfort for passengers. It is advisable to address the problem promptly.

5. Can I repair the short in the passenger side air mix control motor circuit on my own?

Depending on your level of automotive expertise, you may be able to address the issue yourself by replacing the faulty motor or repairing the wiring harness. However, if you are unsure, it is recommended to seek assistance from a professional mechanic.

6. How much does it typically cost to repair OBDII code B1237 in an Acura caused by a short in the passenger side air mix control motor circuit?

The cost of repair can vary depending on the extent of the damage and the specific components that need to be replaced. On average, you can expect to pay anywhere from $100 to $300 for parts and labor.

7. Will resetting the OBDII system clear the B1237 code related to the passenger side air mix control motor circuit short in my Acura?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear. It is important to diagnose and repair the root cause of the problem to prevent future issues.

8. Are there any preventive measures I can take to avoid encountering OBDII code B1237 in my Acura?

Regularly inspecting the climate control system components, such as the air mix control motors and wiring harnesses, for any signs of wear or damage can help prevent issues that lead to this code. Additionally, maintaining proper climate control system function can help avoid potential malfunctions.

9. Is OBDII code B1237 related to a short in the passenger side air mix control motor circuit a common issue in Acura vehicles?

While not extremely common, issues with the air mix control motors and their circuits can occur in Acura vehicles, particularly in models equipped with dual-zone climate control systems. Proper maintenance and timely repairs can help mitigate such problems.

10. Can a faulty passenger side air mix control motor impact the overall performance of the climate control system in my Acura?

Yes, a faulty passenger side air mix control motor can affect the overall performance of the climate control system by causing temperature inconsistencies on the passenger side, affecting dual-zone functionality, and potentially leading to discomfort for occupants.

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