C1118 2015 Chevrolet Silverado Code - Trailer Brake Control Sensitivity Switch Circuit Malfunction
Quick Answer
The C1118 code on a 2015 Chevrolet Silverado indicates a Trailer Brake Control Sensitivity Switch Circuit Malfunction. Common causes include Damaged wiring or connectors in the sensitivity switch circuit, Faulty sensitivity switch, Malfunctioning control module for the trailer brake system. 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
- C1118 2015 Chevrolet Silverado indicates Trailer Brake Control Sensitivity Switch Circuit Malfunction.
- Common causes
- Common causes include Damaged wiring or connectors in the sensitivity switch circuit, Faulty sensitivity switch, Malfunctioning control module for the trailer brake system.
- 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 C1118 2015 Chevrolet Silverado Description
The C1118 code on a 2015 Chevrolet Silverado indicates a Trailer Brake Control Sensitivity Switch Circuit Malfunction. This code specifically relates to the sensitivity switch circuit within the trailer brake control system of the vehicle. The trailer brake control system is responsible for controlling the braking force applied to the trailer when towing, ensuring a safe and smooth towing experience.
Common Causes of C1118 2015 Chevrolet Silverado
- Damaged wiring or connectors in the sensitivity switch circuit
- Faulty sensitivity switch
- Malfunctioning control module for the trailer brake system
- Corrosion or moisture intrusion in the trailer brake control system
- Electrical issues within the trailer brake system
Symptoms of C1118 2015 Chevrolet Silverado
- Uneven braking performance when towing a trailer
- Trailer brakes engaging too aggressively or not enough
- Warning light on the dashboard related to trailer brake control system
- Increased stopping distance when towing a trailer
- Loss of trailer brake functionality
How to Fix C1118 2015 Chevrolet Silverado
- Begin by conducting a thorough inspection of the trailer brake control system, focusing on the sensitivity switch circuit.
- Check for any visible damage to wiring or connectors in the circuit and repair or replace as needed.
- Test the sensitivity switch for proper functionality and replace if found to be faulty.
- Scan the vehicle's onboard computer system to clear the error code and reset the trailer brake control system.
- Conduct a test drive with a trailer attached to ensure that the issue has been resolved and that the trailer brakes are functioning correctly.
Cost to Fix C1118 2015 Chevrolet Silverado
The typical repair costs for addressing a Trailer Brake Control Sensitivity Switch Circuit Malfunction on a 2015 Chevrolet Silverado can range from $200 to $500, depending on the extent of the issue and the specific parts that need to be replaced. This estimate includes the cost of parts such as a new sensitivity switch, wiring, or connectors, as well as labor fees for diagnosis and repair. It's important to note that the actual cost may vary based on the repair shop's rates, location, and the availability of parts. It is advisable to consult with a trusted mechanic or dealership for a more accurate cost estimate tailored to your specific situation.
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Frequently Asked Questions about C1118 2015 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code C1118 in a 2015 Chevrolet Silverado related to the Trailer Brake Control Sensitivity Switch Circuit Malfunction?
- Common symptoms include the trailer brake controller not functioning properly, warning lights illuminated on the dashboard, and potential issues with trailer brake operation.
2. What are possible causes of OBDII code C1118 in a 2015 Chevrolet Silverado?
- Possible causes of this code include a faulty sensitivity switch circuit, damaged wiring or connectors related to the trailer brake control system, or issues with the trailer brake controller module.
3. How can I diagnose the Trailer Brake Control Sensitivity Switch Circuit Malfunction in my 2015 Chevrolet Silverado?
- To diagnose this issue, you may need to inspect the wiring and connectors for any damage, test the sensitivity switch circuit for proper functionality, and use an OBDII scanner to read and clear the trouble codes.
4. Can I still use my trailer brakes if the OBDII code C1118 is triggered in my 2015 Chevrolet Silverado?
- It is not recommended to use your trailer brakes if this code is triggered, as it indicates a malfunction in the sensitivity switch circuit which can affect the proper operation of the trailer brake system.
5. How can I repair OBDII code C1118 in my 2015 Chevrolet Silverado?
- Repairing this code may involve replacing the faulty sensitivity switch circuit, repairing any damaged wiring or connectors, or resetting the trailer brake controller module to clear the malfunction.
6. Is it safe to drive my 2015 Chevrolet Silverado with the Trailer Brake Control Sensitivity Switch Circuit Malfunction code active?
- It is not advisable to drive with this code active, as it can compromise the proper functioning of the trailer brake system, which is essential for safe towing.
7. Will resetting the OBDII code C1118 in my 2015 Chevrolet Silverado resolve the issue permanently?
- Resetting the code may temporarily clear the warning lights, but if the underlying issue with the sensitivity switch circuit is not addressed, the code is likely to reappear.
8. How much does it typically cost to repair OBDII code C1118 in a 2015 Chevrolet Silverado at a dealership or repair shop?
- Repair costs can vary depending on the specific cause of the issue, but expect to pay for diagnostic time, parts replacement, and labor, which can range from a few hundred to over a thousand dollars.
9. Can I fix the Trailer Brake Control Sensitivity Switch Circuit Malfunction in my 2015 Chevrolet Silverado myself?
- If you have the necessary tools, knowledge, and experience working with automotive electrical systems, you may be able to diagnose and repair this issue yourself. Otherwise, it is recommended to seek professional help.
10. How often does the OBDII code C1118 related to the Trailer Brake Control Sensitivity Switch Circuit Malfunction occur in 2015 Chevrolet Silverado vehicles?
- The occurrence of this specific code can vary, but it is not an uncommon issue, especially in vehicles that frequently tow trailers or experience electrical system problems.
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