B1246 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 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.
Code B1246 Description
What are the Possible Causes of the DTC B1246?
- 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?
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 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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Information for Specific Makes
- B1246 Acura — Problem In The Rear Air Mix Control Motor Circuit, Linkage, Door, Or Motor
- B1246 Honda — Problem In The Rear Air Mix Control Motor Circuit, Linkage, Door, Or Motor
Frequently Asked Questions about B1246 Code
1. What are the common symptoms of OBDII code B1246?
The common symptoms of OBDII code B1246 include inconsistent air temperature from the rear vents, inability to control the rear air temperature, and unusual noises coming from the rear air mix control system.
2. What causes OBDII code B1246 to occur?
OBDII code B1246 typically occurs due to a malfunction in the rear air mix control motor circuit, linkage, door, or motor. This can be caused by wiring issues, a faulty motor, or a damaged linkage.
3. How can I diagnose the problem related to OBDII code B1246?
To diagnose the issue related to OBDII code B1246, you can use an OBDII scanner to read the code, visually inspect the rear air mix control components for any visible damage, and test the motor and wiring for proper functionality.
4. What are the repair options for OBDII code B1246?
Repair options for OBDII code B1246 may include repairing or replacing damaged wiring, replacing the rear air mix control motor, repairing or replacing the linkage, or addressing any issues with the air mix control door.
5. Can I drive my vehicle with OBDII code B1246?
It is not recommended to drive your vehicle with OBDII code B1246, as it can lead to discomfort for rear passengers due to inconsistent air temperature control. It is advised to address the issue promptly to ensure proper functionality of the rear air mix control system.
6. How urgent is it to fix OBDII code B1246?
While OBDII code B1246 may not pose an immediate safety risk, it is important to address the issue in a timely manner to ensure proper functioning of the rear air mix control system and provide comfort for rear passengers.
7. Can I reset OBDII code B1246 without fixing the underlying issue?
Resetting OBDII code B1246 without fixing the underlying issue will only temporarily clear the code. The issue will persist, and the code is likely to reappear until the root cause is addressed.
8. Are there any preventative measures to avoid OBDII code B1246?
To prevent OBDII code B1246, regular maintenance of the rear air mix control system is recommended. This includes checking for any signs of wear or damage during routine inspections and addressing any issues promptly.
9. How do I know if the rear air mix control motor needs to be replaced?
If the rear air mix control motor is making unusual noises, not responding to temperature adjustments, or visibly damaged, it may need to be replaced to resolve OBDII code B1246.
10. Can OBDII code B1246 affect the overall performance of my vehicle?
While OBDII code B1246 is specific to the rear air mix control system and may not directly affect the overall performance of the vehicle, it can impact passenger comfort and the functionality of the HVAC system.
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