B1707 – Seat Driver Recline Rearward Switch Circuit Short To Battery

The ODBII code B1707 indicates a malfunction in the driver seat recline rearward switch circuit, specifically that there is a short circuit to the battery, which means the circuit is receiving power when it shouldn’t be.

The severity of ODBII code B1707 is moderate.

Common Causes For: B1706 Seat Driver Recline Rearward Switch Circuit Open

• Shorted wiring or connectors
• Faulty driver recline switch
• Damaged seat control module
• Corroded or damaged terminals
• Grounding issues
• Faulty power supply to the switch
• Improper installation or modifications

Common misdiagnosis for B1707 Seat Driver Recline Rearward Switch Circuit Short To Battery

• Faulty seat recline motor
• Damaged wiring harness
• Malfunctioning seat control module
• Incorrectly installed seat
• Faulty switch assembly
• Battery issues
• Grounding problems

Common Troubleshooting Steps

When dealing with an OBD-II code B1707, which indicates a “Seat Driver Recline Rearward Switch Circuit Short To Battery,” you can follow these common troubleshooting steps:

• Verify the Code: Use an OBD-II scanner to confirm the presence of the B1707 code. Clear the code and see if it returns after a short drive.
• Inspect the Wiring and Connectors:
• Check the wiring harness connected to the driver’s seat recline switch for any visible damage, fraying, or corrosion.
• Inspect the connectors for any signs of corrosion, bent pins, or loose connections.
• Check the Seat Recline Switch:
• Test the seat recline switch for proper operation. You can do this by using a multimeter to check for continuity when the switch is activated.
• If the switch is faulty, it may need to be replaced.
• Test for Short Circuits:
• Use a multimeter to check for continuity between the switch circuit and the battery voltage. A short circuit may indicate that the wiring is damaged or that there is a fault in the switch.
• Check for any exposed wires that may be touching the vehicle chassis or other components.
• Inspect the Seat Control Module:
• If applicable, check the seat control module for any faults. This module may be responsible for controlling the seat functions, and a malfunction could trigger the code.
• Look for any signs of damage or water intrusion in the module.
• Check for Ground Issues:
• Ensure that the ground connections for the seat and the switch are secure and free of corrosion. A poor ground can cause erratic behavior in electrical circuits.
• Review Vehicle Service Manual:
• Consult the vehicle’s service manual for specific wiring diagrams and troubleshooting procedures related to the seat recline system.
• Perform a Visual Inspection:
• Look for any other related issues in the seat area, such as foreign objects that may be interfering with the seat mechanism or wiring.
• Test Other Functions:
• If the vehicle has other power seat functions, test them to see if they are working correctly. This can help determine if the issue is isolated to the recline function or if it affects the entire seat system.
• Seek Professional Help:
• If you are unable to identify or resolve the issue after performing these steps, consider seeking assistance from a professional mechanic or an automotive electrician. By following these steps, you should be able to diagnose and potentially resolve the issue related to the B1707 code.