B1267 – OBD-II DTC

OBD-II DTC B1267 – Servo Motor Airintake Right Circuit Failure

DTC B1267 meaning

DTC B1267 refers to a failure in the Servo Motor Air Intake Right Circuit. This diagnostic trouble code indicates that the vehicle’s onboard diagnostic system has detected an issue with the servo motor responsible for controlling the air intake on the right side of the engine. The servo motor plays a crucial role in regulating airflow, which is essential for optimal engine performance and efficiency.

DTC B1267 symptoms

Common symptoms associated with DTC B1267 may include:

• Check Engine Light illuminated
• Reduced engine performance
• Increased fuel consumption
• Unusual engine noises
• Rough idling or stalling

DTC B1267 causes

Several factors can lead to the occurrence of DTC B1267, including:

• Faulty servo motor
• Wiring issues, such as shorts or open circuits
• Corroded or damaged connectors
• Faulty engine control module (ECM)
• Vacuum leaks affecting air intake

DTC B1267 seriousness

DTC B1267 is considered a moderate to serious issue. While it may not cause immediate engine failure, it can lead to significant performance problems and increased emissions. Ignoring this code can result in further damage to the engine or related components, potentially leading to costly repairs.

How to diagnose DTC B1267

To diagnose DTC B1267, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the code.
2. Inspect the wiring and connectors related to the servo motor for any visible damage or corrosion.
3. Check the servo motor operation by applying direct power to it and observing its movement.
4. Test the voltage and ground supply to the servo motor using a multimeter.
5. Examine the engine control module (ECM) for any faults or updates.

How to fix DTC B1267 step-by-step instructions

To fix DTC B1267, follow these step-by-step instructions:

1. Clear the DTC using an OBD-II scanner.
2. Inspect and repair any damaged wiring or connectors related to the servo motor.
3. If the servo motor is faulty, replace it with a new one.
4. Ensure that all vacuum lines are intact and free of leaks.
5. Reconnect all components and perform a test drive to verify that the issue is resolved.

How to erase DTC B1267

To erase DTC B1267, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn on the ignition without starting the engine.
3. Navigate to the “Erase Codes” or “Clear DTCs” option on the scanner.
4. Confirm the action to clear the trouble codes.
5. Disconnect the scanner and start the engine to ensure the code does not reappear.

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