AutoCodes – Generic – C14A3

C14A3 Code - Type Push Button Switch Circuit

Quick Answer

The Trailer Brake Control ECU monitors the Type Push Button Switch. Common causes include Faulty Type Push Button Switch, Type Push Button Switch harness is open or shorted, Type Push Button 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: C14A3 indicates Type Push Button Switch Circuit.
Common causes: Common causes include Faulty Type Push Button Switch, Type Push Button Switch harness is open or shorted, Type Push Button 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.

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Code Popularity 1,839

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Oct 25, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C14A3 Description

The Trailer Brake Control ECU monitors the Type Push Button Switch. The Trailer Brake Control ECU sets the OBDII code when the Type Push Button Switch is not to factory specifications.

OBDII Code C14A3 - Type Push Button Switch Circuit - AutoCodes.com — C14A3 Code - Type Push Button Switch Circuit

What does this mean?

What are the Possible Causes of the DTC C14A3?

Faulty Type Push Button Switch
Type Push Button Switch harness is open or shorted
Type Push Button Switch circuit poor electrical connection
Faulty Trailer Brake Control ECU (Brake Control with Bracket Relay)

How to Fix the DTC C14A3?

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 C14A3 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 C14A3 code?

Need more information on how to fix the C14A3 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C14A3 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C14A3 Lexus — Type Push Button Switch Circuit
C14A3 Toyota — Type Push Button Switch Circuit

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 C14A3 Code

1. What are the common symptoms of OBDII code C14A3 (Type Push Button Switch Circuit)?

- Common symptoms include difficulty starting the vehicle, issues with the push button start functionality, and potential illumination of the check engine light.

2. What are the potential causes of OBDII code C14A3?

- The code C14A3 can be triggered by a faulty push button switch, damaged wiring or connectors related to the switch circuit, or a malfunction in the control module.

3. How can I diagnose OBDII code C14A3 at home?

- You can start by checking the wiring and connectors associated with the push button switch for any visible damage or loose connections. Using a multimeter to test the switch's functionality can also help pinpoint the issue.

4. What are the repair options for OBDII code C14A3?

- Repair options may include replacing the faulty push button switch, repairing damaged wiring or connectors, or reprogramming the control module if necessary.

5. Can OBDII code C14A3 be safely ignored?

- Ignoring the code may lead to persistent starting issues and potential inconvenience. It is recommended to address the underlying problem to ensure proper functionality of the push button start system.

6. Are there any preventive measures to avoid OBDII code C14A3 in the future?

- Regularly inspecting the push button switch and its components for signs of wear or damage can help prevent the occurrence of code C14A3. Additionally, following proper maintenance schedules can aid in early detection of potential issues.

7. Is it safe to drive with OBDII code C14A3 present?

- Driving with the code may not pose an immediate safety risk, but it is advisable to address the underlying problem promptly to prevent any unexpected starting failures while driving.

8. How long does it typically take to repair OBDII code C14A3?

- The repair time can vary depending on the exact cause of the code and the extent of the repairs needed. In some cases, it can be resolved within a few hours, while more complex issues may require additional time.

9. Can a DIY enthusiast without advanced automotive knowledge fix OBDII code C14A3?

- Depending on the specific cause of the code, a DIY enthusiast with basic knowledge of automotive repairs may be able to address simple issues like replacing the push button switch or checking for loose connections. However, more complex repairs may require professional assistance.

10. What is the typical cost to repair OBDII code C14A3 at a mechanic or dealership?

- The repair cost can vary based on factors such as the labor rates of the mechanic or dealership, the price of replacement parts, and the complexity of the repair. It is advisable to obtain quotes from different sources for a more accurate estimate.