AutoCodes – Generic – B1236

B1236 Code - Open 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
B1236 indicates Open 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 30,254
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 B1236 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 B1236 - Open In The Passenger Side Air Mix Control Motor Circuit - AutoCodes.com
B1236 Code - Open In The Passenger Side Air Mix Control Motor Circuit

What are the Possible Causes of the DTC B1236?

  • 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 B1236?

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 B1236 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 B1236 code?

Need more information on how to fix the B1236 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1236 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 B1236 Code

1. What are the common symptoms of OBDII code B1236?

The common symptoms of OBDII code B1236 include inconsistent temperature control on the passenger side of the vehicle, the inability to adjust the temperature properly, or no air coming out of the passenger side vents.

2. What does the OBDII code B1236 indicate?

OBDII code B1236 indicates an open circuit in the passenger side air mix control motor circuit, which affects the HVAC system's ability to regulate temperature on the passenger side.

3. What could cause the OBDII code B1236 to trigger?

The OBDII code B1236 may trigger due to a faulty passenger side air mix control motor, damaged wiring or connectors in the circuit, or a blown fuse related to the HVAC system.

4. How can I diagnose the OBDII code B1236?

Diagnosing OBDII code B1236 involves checking the passenger side air mix control motor for proper operation, inspecting the wiring and connectors for any damage, and testing the related fuses to ensure they are not blown.

5. Can I drive my vehicle with the OBDII code B1236?

It is not recommended to drive your vehicle with the OBDII code B1236 as it may lead to discomfort due to improper temperature control and could potentially cause further damage to the HVAC system.

6. How can I repair OBDII code B1236?

To repair OBDII code B1236, you may need to replace the faulty passenger side air mix control motor, repair any damaged wiring or connectors in the circuit, and replace any blown fuses associated with the HVAC system.

7. Is OBDII code B1236 easy to fix?

Fixing OBDII code B1236 can vary in difficulty depending on the underlying cause. In some cases, it may require simple repairs such as replacing a fuse, while in other cases, it may involve more complex repairs like replacing the air mix control motor.

8. Can OBDII code B1236 be a DIY repair?

Depending on your level of automotive knowledge and experience, you may be able to address OBDII code B1236 as a DIY repair. However, it is recommended to consult a professional mechanic for an accurate diagnosis and proper repair.

9. How much does it cost to fix OBDII code B1236?

The cost to fix OBDII code B1236 can vary based on the specific repairs needed, such as replacing the air mix control motor, repairing wiring, or replacing fuses. Costs may range from a few hundred dollars to over a thousand dollars, including parts and labor.

10. Can OBDII code B1236 affect the overall performance of my vehicle?

While OBDII code B1236 directly impacts the HVAC system's ability to regulate temperature on the passenger side, it may not significantly affect the overall performance of the vehicle in terms of engine function or drivability. However, addressing the issue promptly is essential for passenger comfort and maintaining the HVAC system's efficiency.

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