AutoCodes – Generic – B1341

B1341 Code - Air Mix Door Two Movement Fault

Quick Answer

The heater and A/C programmer supply voltage to an internal motor which drives the air mix door. Common causes include Faulty Air Mix Door Two Movement, Air Mix Door Two Movement harness is open or shorted, Air Mix Door Two Movement circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B1341 indicates Air Mix Door Two Movement Fault.
Common causes
Common causes include Faulty Air Mix Door Two Movement, Air Mix Door Two Movement harness is open or shorted, Air Mix Door Two Movement circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 14,388
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 14, 2019
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Code B1341 Description

The heater and A/C programmer supply voltage to an internal motor which drives the air mix door.
Then heater and A/C programmer monitor air mix door position feedback from a sensor on the motor. If the air mix door is requested to move but the feedback voltage does not change, the heater and A/C programmer store the OBDII code B1341. If the air mix door feedback indicates it is near hot or cold extreme, the code will not set. The operation of the air mix door can be evaluated through self-diagnostic as described in test description.
OBDII Code B1341 - Air Mix Door Two Movement Fault - AutoCodes.com
B1341 Code - Air Mix Door Two Movement Fault

What are the Possible Causes of the DTC B1341?

  • Faulty Air Mix Door Two Movement
  • Air Mix Door Two Movement harness is open or shorted
  • Air Mix Door Two Movement circuit poor electrical connection

How to Fix the DTC B1341?

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 B1341 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 B1341 code?

Need more information on how to fix the B1341 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1341 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

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 B1341 Code

1. What are the common symptoms of OBDII code B1341 (Air Mix Door Two Movement Fault)?

- Common symptoms include inconsistent air temperature from the HVAC system, poor airflow control, and unusual noises coming from the air mix door.

2. What are the possible causes of OBDII code B1341?

- The code B1341 can be triggered by a faulty air mix door actuator, a malfunctioning air mix door, wiring issues, or a problem with the HVAC control module.

3. How can I diagnose the Air Mix Door Two Movement Fault (B1341) code?

- Diagnosing this code typically involves checking the air mix door actuator for proper operation, inspecting the wiring for any damage, and using a scan tool to retrieve and analyze the trouble code data.

4. Can I repair OBDII code B1341 myself?

- Repairing the Air Mix Door Two Movement Fault code may require mechanical skills and specific tools. It is recommended to consult a professional technician for an accurate diagnosis and repair.

5. Are there any quick fixes for OBDII code B1341?

- Quick fixes such as resetting the HVAC system by disconnecting the car battery for a few minutes may temporarily clear the code, but it is important to address the root cause to prevent the code from reoccurring.

6. How much does it cost to repair OBDII code B1341?

- The cost of repairing code B1341 can vary depending on the underlying issue, the required parts, and labor rates. It is advisable to get a diagnostic assessment from a qualified mechanic for an accurate cost estimate.

7. Is it safe to drive with OBDII code B1341 present?

- While it may be safe to drive with the B1341 code initially, continued driving with a faulty air mix door can lead to discomfort due to inconsistent air temperature control. It is recommended to address the issue promptly.

8. Can extreme weather conditions affect the occurrence of OBDII code B1341?

- Extreme temperatures can exacerbate air mix door issues, as the HVAC system works harder to maintain the desired cabin temperature. It is important to address any air mix door faults promptly to ensure comfortable driving conditions.

9. Will resetting the OBDII code B1341 make it go away permanently?

- Resetting the code may clear it temporarily, but if the underlying issue is not addressed, the code is likely to reappear. It is important to diagnose and repair the root cause to prevent the code from coming back.

10. How long does it typically take to repair OBDII code B1341?

- The repair time for code B1341 can vary depending on the specific issue causing the fault. Simple repairs may take a few hours, while more complex issues could require additional time for diagnosis and repair.

Discuss the causes and fixes for B1341 OBDII Code

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