B1952 – OBD-II DTC

OBD-II DTC B1952 – Seat Rear Up/Down Potentiometer Feedback Circuit Short To Battery

DTC B1952 meaning

DTC B1952 refers to a diagnostic trouble code indicating a problem with the seat rear up/down potentiometer feedback circuit. This code specifically points to a short circuit to battery voltage within the feedback circuit of the potentiometer that controls the seat’s vertical movement. The potentiometer is responsible for sending position feedback to the vehicle’s control module, allowing it to adjust the seat height accordingly.

DTC B1952 symptoms

Common symptoms associated with DTC B1952 may include:

• Inability to adjust the rear seat height.
• Seat position may be stuck or unresponsive.
• Warning lights illuminated on the dashboard.
• Possible erratic behavior of the seat adjustment controls.

DTC B1952 causes

Several factors can lead to the occurrence of DTC B1952, including:

• A short circuit in the potentiometer feedback circuit.
• Faulty potentiometer or seat adjustment switch.
• Damaged wiring or connectors in the seat adjustment system.
• Corrosion or poor connections in the electrical system.

DTC B1952 seriousness

DTC B1952 is considered a moderate issue. While it may not affect the vehicle’s overall drivability, it can lead to discomfort for the driver or passengers due to the inability to adjust the seat properly. Additionally, unresolved electrical issues can lead to further complications in the vehicle’s electrical system.

How to diagnose DTC B1952

To diagnose DTC B1952, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the DTC.
2. Inspect the seat adjustment switch and potentiometer for visible damage.
3. Check the wiring and connectors for signs of wear, corrosion, or shorts.
4. Test the potentiometer with a multimeter to ensure it is functioning correctly.
5. Examine the vehicle’s wiring diagram to trace the feedback circuit for any faults.

How to fix DTC B1952 step-by-step instructions

To fix DTC B1952, follow these steps:

1. Disconnect the vehicle’s battery to ensure safety while working on the electrical system.
2. Inspect and repair any damaged wiring or connectors in the potentiometer feedback circuit.
3. Replace the faulty potentiometer or seat adjustment switch if necessary.
4. Reconnect all connectors and ensure they are secure.
5. Reconnect the vehicle’s battery.
6. Clear the DTC using an OBD-II scanner and test the seat adjustment functionality.

How to erase DTC B1952

To erase DTC B1952, 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.
4. Select the option to clear or erase trouble codes.
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.

Recommended tools for OBD-II diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.