C1118 2015 Chevrolet Silverado Code - Trailer Brake Control Sensitivity Switch Circuit Malfunction
Quick Answer
The trailer brake control system has a control panel with the trailer gain and manual apply switches. Common causes include Faulty Trailer Brake Control Switch, Trailer Brake Control Switch harness is open or shorted, Trailer Brake Control 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
- C1118 2015 Chevrolet Silverado indicates Trailer Brake Control Sensitivity Switch Circuit Malfunction.
- Common causes
- Common causes include Faulty Trailer Brake Control Switch, Trailer Brake Control Switch harness is open or shorted, Trailer Brake Control 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.
Code C1118 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC C1118 2015 Chevrolet Silverado?
- Faulty Trailer Brake Control Switch
- Trailer Brake Control Switch harness is open or shorted
- Trailer Brake Control Switch circuit poor electrical connection
- Faulty Chassis Control Module-Auxiliary
How to Fix the DTC C1118 2015 Chevrolet Silverado?
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 C1118 2015 Chevrolet Silverado 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.
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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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