B1720 Code - Seat Driver Forward Switch Circuit Short To Ground
Quick Answer
The B1720 diagnostic trouble code indicates that there is a short to ground in the seat driver forward switch circuit. Common causes include Faulty seat adjustment switch, Damaged wiring in the seat adjustment circuit, Corrosion or loose connections in the circuit. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B1720 indicates Seat Driver Forward Switch Circuit Short To Ground.
- Common causes
- Common causes include Faulty seat adjustment switch, Damaged wiring in the seat adjustment circuit, Corrosion or loose connections in the circuit.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code B1720 Description
The B1720 diagnostic trouble code indicates that there is a short to ground in the seat driver forward switch circuit. This means that there is an electrical issue in the circuit that controls the driver's seat to move forward. The circuit is not functioning properly, which can result in the driver's seat not being able to move forward as intended. This can affect the comfort and convenience of the driver while operating the vehicle.
Common Causes of B1720
- Faulty seat adjustment switch
- Damaged wiring in the seat adjustment circuit
- Corrosion or loose connections in the circuit
- Short circuit in the wiring harness
- Issues with the seat adjustment motor
Symptoms of B1720
- Driver's seat unable to move forward
- Inability to adjust the driver's seat position
- Malfunctioning seat adjustment controls
- Warning light on the dashboard related to the seat adjustment system
- Unusual noises coming from the seat adjustment mechanism
How to Fix B1720
- Begin by inspecting the wiring harness and connections for any visible damage or corrosion. Repair or replace any damaged wires or connectors.
- Check the seat adjustment switch for proper functionality. If faulty, replace the switch.
- Test the seat adjustment motor to ensure it is operating correctly. Replace if necessary.
- Clear the diagnostic trouble code from the vehicle's computer using a scan tool.
- Test the seat adjustment system to verify that the issue has been resolved.
Cost to Fix B1720
The typical repair costs for addressing a B1720 code can vary depending on the specific cause of the issue. In general, the cost of parts such as a new seat adjustment switch or motor can range from $50 to $200. Labor costs at auto repair shops can add an additional $100 to $300, depending on the shop's hourly rates and the complexity of the repair. It is recommended to obtain quotes from local auto repair shops to get a more accurate estimate for your specific situation.
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Frequently Asked Questions about B1720 Code
1. What are the common symptoms of OBDII code B1720 (Seat Driver Forward Switch Circuit Short To Ground)?
Symptoms may include non-functional power seat adjustments, the seat being stuck in one position, or intermittent power seat operation.
2. What are the possible causes of OBDII code B1720?
Possible causes include a short circuit in the wiring of the driver's seat forward switch, a faulty seat switch, or a malfunctioning seat control module.
3. How can I diagnose the issue related to OBDII code B1720?
Diagnosis typically involves inspecting the wiring harness for any visible damage, testing the continuity of the switch circuit, and using a multimeter to check for short circuits.
4. Can I still drive my vehicle with OBDII code B1720 present?
It is generally safe to drive the vehicle with this code, but the power seat adjustments may not work correctly, potentially causing discomfort while driving.
5. How can I repair OBDII code B1720 (Seat Driver Forward Switch Circuit Short To Ground)?
Repair usually involves repairing or replacing damaged wiring, replacing the faulty seat switch, or reprogramming the seat control module if necessary.
6. Is it possible to reset OBDII code B1720 without fixing the underlying issue?
Resetting the code without addressing the root cause will likely result in it reappearing once the malfunction is detected during the next system check.
7. Can a DIY enthusiast fix OBDII code B1720 at home?
Depending on the level of expertise, DIY enthusiasts may be able to diagnose and repair this issue at home by following repair guides and using the necessary tools.
8. Are there any preventive measures to avoid OBDII code B1720 in the future?
Regularly inspecting the seat switch wiring, avoiding spilling liquids on the power seat controls, and ensuring proper maintenance can help prevent this issue from occurring.
9. How long does it typically take to repair OBDII code B1720?
The repair time can vary depending on the exact cause of the issue, but it may take anywhere from 30 minutes to a few hours to diagnose and fix the problem.
10. Will fixing OBDII code B1720 require a visit to a dealership or can it be done at an independent mechanic?
This repair can generally be performed at an independent mechanic's shop or by a skilled DIY enthusiast, as it does not typically require specialized dealership equipment.
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