B1707: Seat Driver Recline Rearward Switch Circuit Short To Battery

Definition

The OBD2 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

Common causes

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 misdiagnoses

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

Troubleshooting steps

1. 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
2. Inspect the Wiring and Connectors
3. Check the wiring harness connected to the driver’s seat recline switch for any visible damage, fraying, or corrosion
4. Inspect the connectors for any signs of corrosion, bent pins, or loose connections
5. Check the Seat Recline Switch
6. 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
7. If the switch is faulty, it may need to be replaced
8. Test for Short Circuits
9. 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
10. Check for any exposed wires that may be touching the vehicle chassis or other components
11. Inspect the Seat Control Module
12. 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
13. Look for any signs of damage or water intrusion in the module
14. Check for Ground Issues
15. 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
16. Review Vehicle Service Manual
17. Consult the vehicle’s service manual for specific wiring diagrams and troubleshooting procedures related to the seat recline system
18. Perform a Visual Inspection
19. Look for any other related issues in the seat area, such as foreign objects that may be interfering with the seat mechanism or wiring
20. Test Other Functions
21. 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
22. Seek Professional Help
23. 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

Definition

Common causes

Common misdiagnoses

Troubleshooting steps

1. Verify the Code

2. Inspect the Wiring and Connectors

3. Check the wiring harness connected to the driver’s seat recline switch for any visible damage, fraying, or corrosion

4. Inspect the connectors for any signs of corrosion, bent pins, or loose connections

5. Check the Seat Recline Switch

6. 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

7. If the switch is faulty, it may need to be replaced

8. Test for Short Circuits

9. 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

10. Check for any exposed wires that may be touching the vehicle chassis or other components

11. Inspect the Seat Control Module

12. 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

13. Look for any signs of damage or water intrusion in the module

14. Check for Ground Issues

15. 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

16. Review Vehicle Service Manual

17. Consult the vehicle’s service manual for specific wiring diagrams and troubleshooting procedures related to the seat recline system

18. Perform a Visual Inspection

19. Look for any other related issues in the seat area, such as foreign objects that may be interfering with the seat mechanism or wiring

20. Test Other Functions

21. 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

22. Seek Professional Help

23. 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