B1950 – OBD-II DTC

OBD-II DTC B1950 – Seat Rear Up/Down Potentiometer Feedback Circuit Failure

DTC B1950 meaning

DTC B1950 refers to a fault in the seat rear up/down potentiometer feedback circuit. This code indicates that the vehicle’s onboard diagnostic system has detected an issue with the feedback signal from the potentiometer that controls the rear seat’s up and down movement. The potentiometer is responsible for providing the control module with information about the position of the seat, allowing for proper adjustment and functionality.

DTC B1950 symptoms

Common symptoms associated with DTC B1950 may include:

• Inability to adjust the rear seat up or down
• Seat position may be stuck or unresponsive
• Warning lights illuminated on the dashboard
• Intermittent operation of the seat adjustment feature

DTC B1950 causes

Several factors can lead to the occurrence of DTC B1950, including:

• Faulty potentiometer
• Wiring issues, such as shorts or open circuits
• Corrosion or damage in the electrical connectors
• Malfunctioning control module
• Software issues within the vehicle’s system

DTC B1950 seriousness

DTC B1950 is considered a moderate issue. While it may not affect the vehicle’s overall drivability, it can lead to discomfort for passengers due to the inability to adjust the rear seat. Additionally, if left unaddressed, it may indicate underlying electrical problems that could affect other systems in the vehicle.

How to diagnose DTC B1950

To diagnose DTC B1950, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the DTC.
2. Inspect the wiring and connectors associated with the seat potentiometer for any visible damage or corrosion.
3. Test the potentiometer using a multimeter to ensure it is functioning correctly.
4. Check the control module for any software updates or faults.
5. Clear the DTC and perform a seat adjustment test to see if the code returns.

How to fix DTC B1950 step-by-step instructions

To fix DTC B1950, follow these steps:

1. Disconnect the vehicle’s battery to ensure safety while working on electrical components.
2. Inspect and repair any damaged wiring or connectors related to the seat potentiometer.
3. If the potentiometer is faulty, replace it with a new one.
4. Reconnect all electrical connections and ensure they are secure.
5. Reconnect the vehicle’s battery.
6. Use an OBD-II scanner to clear the DTC and test the seat adjustment functionality.

How to erase DTC B1950

To erase DTC B1950, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn on the vehicle’s ignition without starting the engine.
3. Navigate to the DTC menu on the scanner and locate DTC B1950.
4. Select the option to clear or erase the DTC.
5. Confirm the action and wait for the scanner to complete the process.
6. Disconnect the scanner and perform a test drive to ensure the code does not return.

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