B1724 – OBD-II DTC

OBD-II DTC B1724 – Seat Driver Rearward Switch Circuit Short To Ground

DTC B1724 meaning

DTC B1724 refers to a diagnostic trouble code indicating a short circuit to ground in the seat driver rearward switch circuit. This code is part of the OBD-II system, which monitors various vehicle components and systems for faults. The seat driver rearward switch is responsible for controlling the movement of the driver’s seat in the rearward direction. When the system detects an abnormality, such as a short to ground, it triggers this specific code.

DTC B1724 symptoms

Common symptoms associated with DTC B1724 may include:

• Driver’s seat not moving rearward
• Inoperative seat adjustment controls
• Illuminated warning lights on the dashboard
• Possible issues with other seat-related functions

DTC B1724 causes

Several factors can lead to the occurrence of DTC B1724, including:

• Faulty seat driver rearward switch
• Wiring issues, such as frayed or damaged wires
• Corrosion or poor connections in the circuit
• Faulty seat control module
• Short circuit in the wiring harness

DTC B1724 seriousness

The seriousness of DTC B1724 can vary. While it may not affect the vehicle’s overall drivability, it can lead to discomfort for the driver due to the inability to adjust the seat properly. Additionally, if left unaddressed, it may indicate underlying electrical issues that could affect other systems in the vehicle.

How to diagnose DTC B1724

To diagnose DTC B1724, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the code.
2. Inspect the seat driver rearward switch for physical damage or wear.
3. Check the wiring and connectors for signs of corrosion or damage.
4. Test the seat control module for proper operation.
5. Perform a continuity test on the circuit to identify any shorts to ground.

How to fix DTC B1724 step-by-step instructions

To fix DTC B1724, follow these step-by-step instructions:

1. Disconnect the vehicle’s battery to ensure safety while working on the electrical system.
2. Inspect and replace the seat driver rearward switch if it is found to be faulty.
3. Repair or replace any damaged wiring or connectors in the circuit.
4. Test the seat control module and replace it if necessary.
5. Reconnect the battery and clear the DTC using an OBD-II scanner.
6. Test the seat adjustment function to ensure it operates correctly.

How to erase DTC B1724

To erase DTC B1724, 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 trouble codes section on the scanner.
4. Select the option to clear or erase the codes.
5. Confirm the action and wait for the scanner to complete the process.
6. 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.