B1725 – Seat Driver Rear Up Switch Circuit Failure

The ODBII code B1725 indicates a malfunction in the driver rear seat’s up switch circuit, suggesting a failure in the electrical circuit or the switch itself.

The severity of ODBII code B1725 is generally considered moderate.

Common Causes For: B1724 Seat Driver Rearward Switch Circuit Short To Ground

• Faulty seat switch
• Damaged wiring or connectors
• Short circuit in the circuit
• Open circuit in the circuit
• Faulty seat control module
• Corrosion in connectors
• Poor ground connection

Common misdiagnosis for B1725 Seat Driver Rear Up Switch Circuit Failure

• Faulty seat switch
• Wiring issues or shorts in the harness
• Malfunctioning seat control module
• Issues with the body control module (BCM)
• Problems with the power supply to the seat
• Faulty connectors or terminals
• Incorrectly diagnosed seat motor failure

Common Troubleshooting Steps

The OBD-II code B1725 indicates a problem with the seat driver rear up switch circuit. This code is typically associated with vehicles that have power seats and can be triggered by various issues. Here are some common troubleshooting steps to diagnose and potentially resolve the issue:

• Check for Additional Codes: Use an OBD-II scanner to check for any other related trouble codes. This can provide more context and help identify if there are multiple issues.
• Inspect the Wiring and Connectors:
• Visually inspect the wiring harness and connectors associated with the seat switch. Look for any signs of damage, such as frayed wires, corrosion, or loose connections.
• Ensure that all connectors are securely plugged in.
• Test the Seat Switch:
• Use a multimeter to test the seat switch for continuity. If the switch is faulty, it may need to be replaced.
• Check the operation of the switch by pressing it and observing if it functions correctly.
• Check the Power and Ground:
• Verify that the seat switch is receiving power. Use a multimeter to check for voltage at the switch connector.
• Ensure that the ground connection is solid and free of corrosion.
• Inspect the Seat Motor:
• If the switch and wiring are functioning correctly, the issue may lie with the seat motor itself. Test the motor to ensure it operates as expected.
• If the motor is faulty, it may need to be replaced.
• Look for Short Circuits:
• Check for any short circuits in the wiring that could be causing the code to trigger. This may involve inspecting the wiring harness for any pinched or damaged wires.
• Check for Software Updates:
• In some cases, a software update from the manufacturer may resolve the issue. Check with the dealership or manufacturer for any available updates.
• Clear the Code and Test Drive:
• After performing the above checks and repairs, clear the trouble code using the OBD-II scanner and take the vehicle for a test drive to see if the code returns.
• Consult a Professional:
• If the issue persists after performing these steps, it may be best to consult a professional mechanic or technician who has experience with your specific vehicle make and model. By following these troubleshooting steps, you should be able to identify and resolve the issue related to the B1725 code.