C1426 Lexus Code - Stop Light Switch Off Stuck Malfunction
Quick Answer
The C1426 diagnostic trouble code (DTC) for Lexus vehicles indicates a Stop Light Switch Off Stuck Malfunction. Common causes include Faulty stop light switch, Wiring issues or electrical connection problems, Brake pedal position sensor malfunction. 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
- C1426 Lexus indicates Stop Light Switch Off Stuck Malfunction.
- Common causes
- Common causes include Faulty stop light switch, Wiring issues or electrical connection problems, Brake pedal position sensor malfunction.
- 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 C1426 Lexus Description
The C1426 diagnostic trouble code (DTC) for Lexus vehicles indicates a Stop Light Switch Off Stuck Malfunction. This code is triggered when the vehicle's onboard computer detects an issue with the stop light switch, which is responsible for activating the brake lights when the brake pedal is pressed. The stop light switch plays a crucial role in ensuring the safety of the vehicle by signaling to other drivers when the vehicle is slowing down or stopping.
Common Causes of C1426 Lexus
- Faulty stop light switch.
- Wiring issues or electrical connection problems.
- Brake pedal position sensor malfunction.
- Corrosion or damage to the stop light switch components.
- Issues with the vehicle's electronic control unit (ECU).
Symptoms of C1426 Lexus
- Brake lights not illuminating when the brake pedal is pressed.
- Brake lights staying on continuously.
- Cruise control not engaging or disengaging properly.
- Difficulty shifting out of park.
- Check Engine Light illuminated on the dashboard.
How to Fix C1426 Lexus
- Begin by locating the stop light switch, typically located near the brake pedal.
- Disconnect the electrical connector from the stop light switch.
- Remove the old stop light switch and replace it with a new one.
- Reconnect the electrical connector to the new stop light switch.
- Test the brake lights to ensure they illuminate properly when the brake pedal is pressed.
Cost to Fix C1426 Lexus
The cost of repairing a C1426 DTC for a Lexus vehicle can vary depending on the specific model and year of the vehicle, as well as the labor rates in your area. On average, the parts for a stop light switch replacement can range from $20 to $50, while the labor costs can range from $50 to $100. Therefore, the total cost of repairing this issue can be estimated to be between $70 and $150. It is recommended to contact local auto repair shops for a more accurate estimate based on your vehicle's specific needs. Labor rates typically range from $80 to $150 per hour, but can vary based on location and shop type.
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Frequently Asked Questions about C1426 Lexus Code
1. What does the OBDII code C1426 mean on a Lexus?
C1426 indicates a "Stop Light Switch Off Stuck Malfunction," meaning the stop light switch is not functioning correctly and may be stuck in the "off" position.
2. What are the common symptoms of code C1426 on a Lexus?
Common symptoms include brake lights not functioning, ABS or traction control warning lights on the dashboard, and possible malfunction of the brake pedal signal to related systems.
3. What causes the C1426 code to appear on a Lexus?
The code is often caused by a faulty or misaligned brake light switch, damaged wiring or connectors, or a blown fuse related to the brake light circuit.
4. How is the C1426 code diagnosed?
A mechanic will inspect the brake light switch for proper operation, check the wiring and connectors for damage, and use a scan tool to verify the signal from the brake light switch.
5. Can I drive my Lexus with the C1426 code active?
While the vehicle may still be drivable, it’s unsafe due to potential non-functional brake lights and compromised ABS or traction control systems.
6. How do I fix the C1426 code on my Lexus?
Repairs typically involve replacing the faulty brake light switch, repairing damaged wiring, or ensuring proper alignment and adjustment of the switch.
7. How much does it cost to fix the C1426 code on a Lexus?
The repair cost depends on the issue but generally ranges from $100 to $200 for brake light switch replacement, including parts and labor.
8. Can I reset the C1426 code myself?
You can reset the code using an OBDII scanner, but the issue may return unless the underlying problem is fixed.
9. What happens if I ignore the C1426 code on my Lexus?
Ignoring this code can lead to safety hazards, such as non-functional brake lights, and may affect the performance of electronic safety systems.
10. Is the C1426 code common to all Lexus vehicles?
This code can appear on various Lexus models, but it’s more likely in models with specific brake switch system designs. Always check your vehicle’s service manual for details.
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