B2659 Code - Courtesy Switch Fault
Quick Answer
The B2659 diagnostic trouble code (DTC) indicates a fault with the courtesy switch in a vehicle. Common causes include Wear and tear on the courtesy switch, Electrical issues in the wiring connected to the switch, Faulty connection between the switch and the vehicle's electrical system. 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
- B2659 indicates Courtesy Switch Fault.
- Common causes
- Common causes include Wear and tear on the courtesy switch, Electrical issues in the wiring connected to the switch, Faulty connection between the switch and the vehicle's electrical system.
- 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 B2659 Description
The B2659 diagnostic trouble code (DTC) indicates a fault with the courtesy switch in a vehicle. The courtesy switch is a component that controls the interior lights in the vehicle, typically activated by opening doors or turning a dial on the dashboard. When this switch fails, it can result in the interior lights not turning on when the doors are opened or the switch is activated. This can lead to inconvenience for the driver and passengers, especially during nighttime or when trying to find something in the vehicle.
Common Causes of B2659
- Wear and tear on the courtesy switch
- Electrical issues in the wiring connected to the switch
- Faulty connection between the switch and the vehicle's electrical system
- Corrosion or damage to the switch components
- Impact or physical damage to the switch
Symptoms of B2659
- Interior lights not turning on when doors are opened
- Inconsistent behavior of interior lights
- Interior lights flickering or dimming
- Battery draining due to lights being left on inadvertently
- Audible clicking noise when trying to activate interior lights
How to Fix B2659
- Begin by locating the courtesy switch in the vehicle, typically near the door frame or dashboard.
- Inspect the switch and surrounding wiring for any visible damage, wear, or loose connections.
- Test the switch using a multimeter to determine if it is functioning correctly.
- If the switch is faulty, replace it with a new one following the manufacturer's guidelines.
- Test the new switch to ensure it activates the interior lights correctly before reassembling the components.
Cost to Fix B2659
The typical repair costs for a courtesy switch fault can vary depending on the make and model of the vehicle, as well as the labor rates in your area. Generally, the cost of parts for a courtesy switch replacement ranges from $50 to $150, while labor charges can amount to $80 to $150 per hour. In total, the repair for a courtesy switch fault could cost between $150 and $300, but prices may differ based on the specific circumstances of the repair. It is advisable to consult with local auto repair shops for a more accurate estimate.
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Code B2659 Information for Specific Makes
- B2659 Ford — Courtesy Switch Fault
- B2659 Lincoln — Courtesy Switch Fault
- B2659 Mercury — Courtesy Switch Fault
Frequently Asked Questions about B2659 Code
1. What does the OBDII code B2659 mean?
Code B2659 indicates a "Courtesy Switch Fault," which typically refers to a malfunction in the courtesy light circuit or associated switch.
2. What are the symptoms of a B2659 code?
Common symptoms include the courtesy lights not turning on or off properly, lights staying on continuously, or failure to illuminate when doors are opened.
3. What causes the B2659 code?
This code can be caused by a faulty courtesy light switch, damaged wiring, a blown fuse, or a problem with the body control module (BCM).
4. How can I diagnose the B2659 code?
Start by inspecting the courtesy light switch, wiring, and connectors for damage or corrosion. Check the fuse for the courtesy light circuit and scan for additional codes.
5. Can a blown fuse trigger the B2659 code?
Yes, a blown fuse in the courtesy light circuit can disrupt the electrical flow, leading to a B2659 fault code.
6. How do I fix the B2659 code?
Repair or replace the faulty courtesy light switch, fix damaged wiring, replace a blown fuse, or reprogram/replace the body control module if necessary.
7. Is the B2659 code serious?
It is not critical for vehicle performance but can cause inconvenience, such as lights staying on and draining the battery.
8. Can I drive with the B2659 code?
Yes, you can drive with this code, but you should address it promptly to avoid battery drainage or further electrical issues.
9. How much does it cost to repair a B2659 code?
The repair cost can vary depending on the issue, from $50 for a new switch to over $200 if a BCM replacement or reprogramming is required.
10. Can I reset the B2659 code without fixing the issue?
Clearing the code without addressing the root cause will likely result in the code returning, as the fault persists.
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