AutoCodes – Acura – B1246 Acura

B1246 Acura Code - Problem In The Rear Air Mix Control Motor Circuit, Linkage, Door, Or Motor

Quick Answer

The Climate Control Unit monitors the Rear Air Mix Control Motor. Common causes include Faulty Rear Air Mix Control Motor, Rear Air Mix Control Motor harness is open or shorted, Rear 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
B1246 Acura indicates Problem In The Rear Air Mix Control Motor Circuit, Linkage, Door, Or Motor.
Common causes
Common causes include Faulty Rear Air Mix Control Motor, Rear Air Mix Control Motor harness is open or shorted, Rear 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 5,873
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 B1246 Acura Description

The Climate Control Unit monitors the Rear Air Mix Control Motor. The Climate Control Unit sets the OBDII code when the Rear Air Mix Control Motor is not to factory specifications.
OBDII Code B1246 Acura - Problem In The Rear Air Mix Control Motor Circuit, Linkage, Door, Or Motor - AutoCodes.com
B1246 Acura Code - Problem In The Rear Air Mix Control Motor Circuit, Linkage, Door, Or Motor

What are the Possible Causes of the DTC B1246 Acura?

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

How to Fix the DTC B1246 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 B1246 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.

Need more information about the B1246 Acura code?

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Need Help with the Code?

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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 B1246 Acura Code

1. What are the common symptoms of OBDII code B1246 in an Acura related to the rear air mix control system?

- Common symptoms may include inconsistent temperature control in the rear HVAC system, unusual noises coming from the rear vents, or the inability to adjust the air mix properly.

2. What are the potential causes of OBDII code B1246 indicating a problem in the rear air mix control motor circuit, linkage, door, or motor in an Acura?

- Possible causes may include a faulty rear air mix control motor, damaged linkage between the motor and the blend door, wiring issues in the circuit, or a malfunctioning blend door itself.

3. How can I diagnose the issue causing OBDII code B1246 in my Acura's rear air mix control system?

- Diagnosis typically involves checking the operation of the rear air mix control motor, inspecting the blend door and linkage for any obstructions or damage, and testing the circuit for proper voltage and continuity.

4. What are some repair tips for addressing OBDII code B1246 in an Acura related to the rear air mix control system?

- Repair tips may include replacing the faulty rear air mix control motor, repairing or replacing damaged linkage, fixing any wiring issues, or recalibrating the blend door and motor.

5. Can I drive my Acura with OBDII code B1246 related to the rear air mix control system without causing further damage?

- It is not recommended to drive your vehicle with this code as it can result in inconsistent heating and cooling in the rear cabin, discomfort for passengers, and potential long-term damage to the HVAC system.

6. Are there any safety concerns associated with OBDII code B1246 indicating a problem in the rear air mix control system of an Acura?

- While the issue may not pose an immediate safety risk, it can impact the comfort of passengers in the rear seats, especially in extreme weather conditions where proper temperature control is crucial.

7. How much does it typically cost to repair OBDII code B1246 in an Acura related to the rear air mix control system?

- The cost of repair can vary depending on the specific cause of the issue, but it may involve parts replacement, labor costs, and potential diagnostic fees, which can range from a few hundred to over a thousand dollars.

8. Can OBDII code B1246 in an Acura be triggered by a simple fix like a blown fuse?

- Yes, a blown fuse in the rear air mix control circuit can cause this code to appear, so it's recommended to check and replace any blown fuses before proceeding with more extensive repairs.

9. Is it possible to reset OBDII code B1246 in an Acura after addressing the issue in the rear air mix control system?

- Yes, once the underlying problem has been fixed, the code can be cleared using an OBDII scanner or by disconnecting the vehicle's battery for a short period to reset the system.

10. How quickly should I address OBDII code B1246 indicating a problem in the rear air mix control system of my Acura to prevent further complications?

- It is advisable to address the issue promptly to ensure proper functioning of the rear HVAC system, maintain passenger comfort, and prevent potential damage to other components in the system.

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