C14A6 Code - Output Circuit Negative Voltage
Quick Answer
The Trailer Brake Control ECU (Brake Control with Bracket Relay) is connected via the trailer socket and direct line. Common causes include Faulty Trailer Brake Control ECU (Brake Control with Bracket Relay), Trailer Brake Control ECU (Brake Control with Bracket Relay) harness is open or shorted, Trailer Brake Control ECU (Brake Control with Bracket Relay) 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
- C14A6 indicates Output Circuit Negative Voltage.
- Common causes
- Common causes include Faulty Trailer Brake Control ECU (Brake Control with Bracket Relay), Trailer Brake Control ECU (Brake Control with Bracket Relay) harness is open or shorted, Trailer Brake Control ECU (Brake Control with Bracket Relay) 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.
Code C14A6 Description
What are the Possible Causes of the DTC C14A6?
- Faulty Trailer Brake Control ECU (Brake Control with Bracket Relay)
- Trailer Brake Control ECU (Brake Control with Bracket Relay) harness is open or shorted
- Trailer Brake Control ECU (Brake Control with Bracket Relay) circuit poor electrical connection
How to Fix the DTC C14A6?
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 C14A6 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 C14A6 code?
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Need Help with the Code?
Get the C14A6 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- C14A6 Lexus — Output Circuit Negative Voltage
- C14A6 Toyota — Output Circuit Negative Voltage
Frequently Asked Questions about C14A6 Code
1. What are the common symptoms of OBDII code C14A6 (Output Circuit Negative Voltage)?
The common symptoms of OBDII code C14A6 include issues with vehicle starting, rough idling, poor acceleration, and potential stalling.
2. What are the possible causes of OBDII code C14A6?
Possible causes of OBDII code C14A6 include a faulty output circuit, damaged wiring or connectors, issues with the powertrain control module (PCM), or a malfunctioning actuator.
3. How can I diagnose the OBDII code C14A6?
Diagnosing OBDII code C14A6 involves using a diagnostic scanner to retrieve the code, checking the wiring and connectors for any visible damage, testing the output circuit for continuity, and inspecting the actuator for proper function.
4. Can a loose or corroded battery connection trigger OBDII code C14A6?
Yes, a loose or corroded battery connection can potentially trigger OBDII code C14A6 by causing voltage fluctuations in the electrical system.
5. Is it safe to continue driving with OBDII code C14A6 present?
It is not recommended to continue driving with OBDII code C14A6 present, as it can lead to further damage to the vehicle's components and potentially result in unsafe driving conditions.
6. How can I repair OBDII code C14A6?
Repairing OBDII code C14A6 may involve repairing or replacing damaged wiring or connectors, resetting the PCM, replacing the faulty actuator, or addressing any other underlying issues causing the negative voltage output.
7. Can a DIY enthusiast fix OBDII code C14A6 at home?
While some basic troubleshooting steps can be performed at home, addressing OBDII code C14A6 may require specialized tools and expertise, making it advisable to consult a professional mechanic for proper diagnosis and repair.
8. Are there any preventive maintenance tips to avoid OBDII code C14A6?
Regularly inspecting and maintaining the vehicle's electrical system, including checking wiring connections and keeping the battery terminals clean and secure, can help prevent issues that may trigger OBDII code C14A6.
9. How long does it typically take to repair OBDII code C14A6?
The time it takes to repair OBDII code C14A6 can vary depending on the underlying cause and complexity of the issue. Simple fixes may take a short amount of time, while more involved repairs could require several hours or more.
10. Can resetting the OBDII system clear OBDII code C14A6?
Resetting the OBDII system may temporarily clear OBDII code C14A6, but if the underlying issue causing the negative voltage output is not addressed, the code is likely to reappear.
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