AutoCodes – Scion – C1426 Scion

C1426 Scion Code - Stop Light Switch Off Stuck Malfunction

Quick Answer

The Skid Control ECU (Brake Actuator Assembly) receives stop light switch signals and uses them to determine whether or not the brakes are applied. Common causes include Blown Stop Light Switch Fuse, Faulty Stop Light Switch, Stop Light Switch harness is open or shorted. 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 Scion indicates Stop Light Switch Off Stuck Malfunction.
Common causes
Common causes include Blown Stop Light Switch Fuse, Faulty Stop Light Switch, Stop Light Switch harness is open or shorted.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,145
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 29, 2023
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Code C1426 Scion Description

The Skid Control ECU (Brake Actuator Assembly) receives stop light switch signals and uses them to determine whether or not the brakes are applied. The Skid Control ECU has a detection circuit that it uses to detect a short in the stop light input line or the ground line of the stop light circuit with the stop light switch on (brake pedal depressed). If the Skid Control ECU detects a short in this circuit, it will store the Diagnostic Trouble Code (DTC) C1426.
OBDII Code C1426 Scion - Stop Light Switch Off Stuck Malfunction - AutoCodes.com
C1426 Scion Code - Stop Light Switch Off Stuck Malfunction

What are the Possible Causes of the DTC C1426 Scion?

  • Blown Stop Light Switch Fuse
  • Faulty Stop Light Switch
  • Stop Light Switch harness is open or shorted
  • Stop Light Switch circuit poor electrical connection
  • Faulty Skid Control ECU (Brake Actuator Assembly)

How to Fix the DTC C1426 Scion?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1426 Scion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the C1426 Scion code?

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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 C1426 Scion Code

1. What are the common symptoms of OBDII code C1426 in a Scion related to the Stop Light Switch Off Stuck Malfunction?

The common symptoms include non-functioning brake lights, difficulty shifting gears, and the inability to turn off the engine.

2. What can cause the OBDII code C1426 related to the Stop Light Switch Off Stuck Malfunction in a Scion?

The code C1426 is typically triggered by a faulty stop light switch, wiring issues, or a malfunction in the brake light circuit.

3. How can I diagnose the OBDII code C1426 in my Scion related to the Stop Light Switch Off Stuck Malfunction?

You can diagnose the issue by checking the functionality of the brake lights, inspecting the stop light switch for proper operation, and testing the wiring and connections for any faults.

4. Can I still drive my Scion with the OBDII code C1426 related to the Stop Light Switch Off Stuck Malfunction?

It is not recommended to drive the vehicle with this issue as non-functioning brake lights can pose a safety hazard on the road.

5. How do I repair the OBDII code C1426 in my Scion related to the Stop Light Switch Off Stuck Malfunction?

To repair the issue, you may need to replace the faulty stop light switch, repair any damaged wiring, or address any issues in the brake light circuit.

6. Are there any DIY tips for fixing the OBDII code C1426 in my Scion related to the Stop Light Switch Off Stuck Malfunction?

While some simple inspections and checks can be done at home, it is recommended to consult a professional mechanic for accurate diagnosis and repair of this issue.

7. Is the OBDII code C1426 related to the Stop Light Switch Off Stuck Malfunction a common problem in Scion vehicles?

The code C1426 related to the Stop Light Switch Off Stuck Malfunction can occur in Scion vehicles, especially in older models or vehicles with high mileage.

8. Can resetting the OBDII system clear the code C1426 related to the Stop Light Switch Off Stuck Malfunction in my Scion?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear.

9. How much does it typically cost to repair the OBDII code C1426 in a Scion related to the Stop Light Switch Off Stuck Malfunction?

The cost of repair can vary depending on the exact cause of the issue, but it may involve parts replacement and labor costs, which can range from $100 to $300 or more.

10. Can the OBDII code C1426 related to the Stop Light Switch Off Stuck Malfunction affect the overall performance of my Scion?

While the code itself may not directly impact the performance of the vehicle, it is important to address the underlying issue to ensure the safe operation of the braking system.

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