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Engine-Codes – KIA – C1161 KIA

C1161 KIA Code - Brake Light Switch Failure

Quick Answer

The C1161 diagnostic trouble code for KIA vehicles indicates a Brake Light Switch Failure. Common causes include Faulty brake light switch, Wiring issues, Misalignment of the brake light switch. 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
C1161 KIA indicates Brake Light Switch Failure.
Common causes
Common causes include Faulty brake light switch, Wiring issues, Misalignment of the brake light switch.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code C1161 KIA Description

The C1161 diagnostic trouble code for KIA vehicles indicates a Brake Light Switch Failure. The brake light switch is a crucial component of the vehicle's braking system, as it is responsible for activating the brake lights when the brake pedal is pressed. When this switch fails, it can have significant implications for the vehicle's safety and performance.

OBDII Code C1161 KIA - Brake Light Switch Failure
C1161 KIA Code - Brake Light Switch Failure

Common Causes of C1161 KIA

  1. Faulty brake light switch.
  2. Wiring issues.
  3. Misalignment of the brake light switch.
  4. Corrosion or damage to the switch contacts.
  5. Electrical issues in the brake light circuit.

Symptoms of C1161 KIA

  1. Brake lights not illuminating when the brake pedal is pressed.
  2. Inability to shift out of park.
  3. Cruise control not working properly.
  4. Brake lights staying on constantly.
  5. ABS warning light illuminated on the dashboard.

How to Fix C1161 KIA

  1. Locate the brake light switch: The brake light switch is typically located near the top of the brake pedal arm. It may be necessary to remove panels or covers to access the switch.
  2. Test the switch: Use a multimeter to test the continuity of the switch when the brake pedal is pressed. If there is no continuity, the switch is likely faulty.
  3. Replace the brake light switch: If the switch is determined to be faulty, disconnect the wiring harness and remove the old switch. Install a new switch and reconnect the wiring harness.
  4. Test the brake lights: After replacing the switch, test the brake lights to ensure they illuminate properly when the brake pedal is pressed.
  5. Clear the trouble code: Use an OBD-II scanner to clear the C1161 code from the vehicle's computer.

Cost to Fix C1161 KIA

The typical repair costs for a Brake Light Switch Failure can range from $50 to $150 for the part, with additional labor costs of $50 to $100. However, it is important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to check local rates for a more precise estimate.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C1161 KIA Code

1. What are the common symptoms of OBDII code C1161 in a KIA related to brake light switch failure?

The common symptoms include non-functioning brake lights, inability to shift out of park, and the illumination of the brake warning light on the dashboard.

2. What is the main cause of OBDII code C1161 in a KIA indicating brake light switch failure?

The main cause is a faulty or malfunctioning brake light switch, which is responsible for detecting when the brake pedal is pressed.

3. How can I diagnose if the brake light switch is causing OBDII code C1161 in my KIA?

You can diagnose the issue by checking if the brake lights are not working when the brake pedal is pressed. Additionally, a scan tool can be used to check for OBDII codes, including C1161.

4. Can I still drive my KIA with OBDII code C1161 related to brake light switch failure?

It is not recommended to drive the vehicle with this issue as it poses a safety hazard due to non-functioning brake lights and potential difficulty in shifting gears.

5. What is the repair process for fixing OBDII code C1161 in a KIA due to brake light switch failure?

The repair process involves replacing the faulty brake light switch with a new one, which is a relatively straightforward task that can be done by a qualified mechanic.

6. Are there any DIY tips for troubleshooting OBDII code C1161 in a KIA caused by brake light switch failure?

You can check the brake light switch for any visible damage or signs of wear and tear. Cleaning the switch contacts or adjusting its position may also help resolve the issue temporarily.

7. How much does it typically cost to repair OBDII code C1161 in a KIA attributed to brake light switch failure?

The cost of repairing this issue can vary depending on the labor rates and the price of the replacement brake light switch, but it is usually a relatively affordable repair.

8. Will resetting the OBDII code C1161 in my KIA related to brake light switch failure solve the problem?

Resetting the code may temporarily turn off the warning light, but it will not fix the underlying issue of a faulty brake light switch causing the code to reappear.

9. Can a bad brake light switch cause other problems in my KIA besides triggering OBDII code C1161?

Yes, a bad brake light switch can also lead to issues like cruise control not working, inability to shift out of park, or the vehicle not recognizing when the brake pedal is pressed.

10. Is it necessary to replace the brake light switch with an OEM part to resolve OBDII code C1161 in my KIA?

While using an OEM part is recommended for optimal performance, aftermarket brake light switches from reputable brands can also effectively resolve the issue and clear the OBDII code.

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