B1768 – OBD-II DTC

OBD-II DTC B1768 – Seat Driver Forward Circuit Short To Ground

DTC B1768 meaning

DTC B1768 refers to a diagnostic trouble code indicating a short circuit to ground in the driver seat forward circuit. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various vehicle components and systems for faults. The driver seat forward circuit is responsible for controlling the forward movement of the driver’s seat, and a short to ground can disrupt this function.

DTC B1768 symptoms

Common symptoms associated with DTC B1768 may include:

• Driver’s seat not moving forward
• Inability to adjust the driver’s seat position
• Warning lights illuminated on the dashboard
• Possible related codes stored in the OBD-II system

DTC B1768 causes

Several factors can lead to the occurrence of DTC B1768, including:

• Damaged wiring or connectors in the seat adjustment circuit
• Faulty seat motor or actuator
• Corrosion or poor connections in the electrical system
• Issues with the body control module (BCM) or other related control modules

DTC B1768 seriousness

The seriousness of DTC B1768 can vary. While it may not affect the vehicle’s overall drivability, it can lead to discomfort for the driver due to an inability to adjust the seat position. Additionally, unresolved electrical issues could potentially lead to further complications in the vehicle’s electrical system.

How to diagnose DTC B1768

To diagnose DTC B1768, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the B1768 code.
2. Inspect the wiring and connectors related to the driver’s seat adjustment for any visible damage or corrosion.
3. Check the seat motor and actuator for proper operation.
4. Test the continuity of the circuit to ensure there are no breaks or shorts.
5. Examine the body control module for any faults or issues.

How to fix DTC B1768 step-by-step instructions

To fix DTC B1768, follow these step-by-step instructions:

1. Disconnect the vehicle’s battery to ensure safety while working on the electrical system.
2. Inspect and repair any damaged wiring or connectors found during diagnosis.
3. Replace the seat motor or actuator if they are found to be faulty.
4. Clean any corroded connections and ensure all connectors are secure.
5. Reconnect the battery and clear the DTC using an OBD-II scanner.
6. Test the driver’s seat adjustment to ensure it operates correctly.

How to erase DTC B1768

To erase DTC B1768, 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 option to clear or erase trouble codes on the scanner.
4. Confirm the action to erase the codes.
5. Disconnect the scanner and start the vehicle to ensure the code does not reappear.

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.