AutoCodes – Toyota – C14A2 Toyota

C14A2 Toyota Code - Gain Rocker Switch Negative Circuit

Quick Answer

The Trailer Brake Control ECU monitors the Gain Rocker Switch. Common causes include Faulty Gain Rocker Switch, Gain Rocker Switch harness is open or shorted, Gain Rocker Switch circuit poor electrical connection. 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
C14A2 Toyota indicates Gain Rocker Switch Negative Circuit.
Common causes
Common causes include Faulty Gain Rocker Switch, Gain Rocker Switch harness is open or shorted, Gain Rocker Switch circuit poor electrical connection.
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 808
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Oct 25, 2020
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Code C14A2 Toyota Description

The Trailer Brake Control ECU monitors the Gain Rocker Switch. The Trailer Brake Control ECU sets the OBDII code when the Gain Rocker Switch is not to factory specifications.
OBDII Code C14A2 Toyota - Gain Rocker Switch Negative Circuit - AutoCodes.com
C14A2 Toyota Code - Gain Rocker Switch Negative Circuit

What are the Possible Causes of the DTC C14A2 Toyota?

  • Faulty Gain Rocker Switch
  • Gain Rocker Switch harness is open or shorted
  • Gain Rocker Switch circuit poor electrical connection
  • Faulty Trailer Brake Control ECU (Brake Control with Bracket Relay)

How to Fix the DTC C14A2 Toyota?

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 C14A2 Toyota 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 C14A2 Toyota code?

Need more information on how to fix the C14A2 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C14A2 Toyota code diagnosed by a professional: Find a repair shop in your area

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 C14A2 Toyota Code

1. What are the common symptoms of OBDII code C14A2 Toyota Gain Rocker Switch Negative Circuit?

- Common symptoms include engine misfires, rough idling, reduced power, and possible stalling.

2. What could cause the OBDII code C14A2 Toyota Gain Rocker Switch Negative Circuit to trigger?

- The code may trigger due to a faulty rocker switch, damaged wiring, or a malfunction in the negative circuit.

3. How can I diagnose the issue related to the OBDII code C14A2 Toyota Gain Rocker Switch Negative Circuit?

- Diagnose by checking the rocker switch for proper operation, inspecting wiring for damage, and testing the negative circuit for continuity.

4. Can I still drive my Toyota with the OBDII code C14A2 active?

- It is not recommended to drive with the code active as it can lead to poor engine performance and potential further damage.

5. What are the repair options for fixing OBDII code C14A2 Toyota Gain Rocker Switch Negative Circuit?

- Repair options include replacing the faulty rocker switch, repairing damaged wiring, and fixing any issues in the negative circuit.

6. Is it possible to reset the OBDII code C14A2 Toyota Gain Rocker Switch Negative Circuit without repairs?

- Resetting the code without addressing the underlying issue may temporarily clear the code, but it is likely to return once the problem persists.

7. How much does it typically cost to repair OBDII code C14A2 Toyota Gain Rocker Switch Negative Circuit?

- The cost of repair can vary depending on the specific issue, but it may range from $100 to $300 for parts and labor.

8. Can a DIY enthusiast fix the OBDII code C14A2 Toyota Gain Rocker Switch Negative Circuit issue?

- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair the issue themselves.

9. Will ignoring the OBDII code C14A2 Toyota Gain Rocker Switch Negative Circuit cause more problems?

- Ignoring the code can lead to decreased engine performance, potential damage to other components, and increased fuel consumption.

10. How long does it take to repair OBDII code C14A2 Toyota Gain Rocker Switch Negative Circuit?

- The repair time can vary based on the extent of the issue, but it may take anywhere from 1 to 3 hours to complete the repairs.

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