B1238 Honda Code - Problem In The Passenger Side Air Mix Control Linkage, Door, Or 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
- B1238 Honda indicates Problem In The Passenger Side Air Mix Control Linkage, Door, Or 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.
Code B1238 Honda Description
What are the Possible Causes of the DTC B1238 Honda?
- 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 B1238 Honda?
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 B1238 Honda 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 B1238 Honda code?
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Need Help with the Code?
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Frequently Asked Questions about B1238 Honda Code
1. What are the common symptoms of OBDII code B1238 in a Honda related to the passenger side air mix control linkage, door, or motor circuit?
The common symptoms include inconsistent temperature control on the passenger side, unusual noises from the HVAC system, and the inability to adjust the temperature properly.
2. What are the possible causes of OBDII code B1238 in a Honda?
The code B1238 may be triggered by a malfunction in the passenger side air mix control linkage, a faulty door or door actuator, or a problem with the motor circuit.
3. How can I diagnose the issue causing OBDII code B1238 in my Honda?
Diagnosing the problem may involve performing a visual inspection of the air mix control components, checking for any obstructions in the door mechanism, and using a scan tool to assess the motor circuit's functionality.
4. What are some repair tips for addressing OBDII code B1238 in a Honda?
Repair tips may include lubricating or replacing the air mix control linkage components, inspecting and repairing any damaged door components, and testing the motor circuit for continuity or voltage issues.
5. Can I fix the issue causing OBDII code B1238 in my Honda myself, or should I seek professional help?
While some DIY enthusiasts may be able to address the issue themselves, it is recommended to seek professional help, especially if you are not familiar with HVAC systems or electronic circuits.
6. Are there any safety concerns associated with OBDII code B1238 in a Honda?
If the issue causing the code is left unresolved, it may lead to discomfort for passengers due to inconsistent temperature control, and in some cases, it may affect the overall performance of the HVAC system.
7. How urgent is it to address OBDII code B1238 in a Honda?
While the code may not cause immediate harm to the vehicle, addressing it promptly is recommended to ensure passenger comfort and prevent potential damage to other HVAC components.
8. Will resetting the OBDII code B1238 in my Honda make the issue go away?
Resetting the code may temporarily clear the warning light, but it will not fix the underlying issue causing the code to appear. It is important to diagnose and repair the problem to prevent future occurrences.
9. Can extreme weather conditions affect the likelihood of OBDII code B1238 appearing in a Honda?
Extreme temperatures or humidity levels may exacerbate existing issues with the air mix control components, potentially increasing the chances of OBDII code B1238 being triggered.
10. How can regular maintenance help prevent OBDII code B1238 from appearing in a Honda?
Regular maintenance, such as cleaning and lubricating the air mix control components, checking for any signs of wear or damage, and addressing issues promptly, can help prevent OBDII code B1238 from appearing in your Honda.
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