B1965 – OBD-II DTC

OBD-II DTC B1965 – Seat Horizontal Forward/Rearward Potentiometer Feedback Circuit Short To Ground

DTC B1965 meaning

DTC B1965 refers to a diagnostic trouble code indicating a problem with the seat horizontal forward/rearward potentiometer feedback circuit. This code is triggered when the vehicle’s onboard diagnostic system detects a short to ground in the feedback circuit of the potentiometer that controls the seat’s forward and backward movement. The potentiometer is responsible for sending position information to the vehicle’s control module, allowing it to adjust the seat accordingly.

DTC B1965 symptoms

Common symptoms associated with DTC B1965 may include:

• Inability to adjust the seat forward or backward
• Seat position may be stuck in one location
• Warning lights illuminated on the dashboard
• Possible malfunction of other seat-related features, such as memory settings

DTC B1965 causes

Several factors can lead to the triggering of DTC B1965, including:

• A short circuit in the potentiometer feedback wiring
• Faulty potentiometer itself
• Corroded or damaged connectors in the seat adjustment circuit
• Issues with the vehicle’s control module

DTC B1965 seriousness

DTC B1965 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 position. Additionally, if left unaddressed, it may lead to further electrical issues or complications with other seat functions.

How to diagnose DTC B1965

To diagnose DTC B1965, 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. Check the resistance of the potentiometer using a multimeter to ensure it is functioning correctly.
4. Test for continuity in the feedback circuit to identify any shorts to ground.
5. Examine the vehicle’s control module for any faults or software issues.

How to fix DTC B1965 step-by-step instructions

To fix DTC B1965, 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 seat adjustment circuit.
3. If the potentiometer is faulty, replace it with a new one.
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 B1965

To erase DTC B1965, 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 select the option to clear or erase codes.
4. Confirm the action and wait for the scanner to complete the process.
5. Disconnect the scanner and start the vehicle to ensure the code does not reappear.

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