C1115 2018 Chevrolet Silverado Code - Manual Trailer Brake Apply Request Switch Signal
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
- C1115 2018 Chevrolet Silverado indicates Manual Trailer Brake Apply Request Switch Signal.
- 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 C1115 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC C1115 2018 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 C1115 2018 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.
Code Tech Notes
C1115:5A Manual Trailer Brake Apply Request Switch Signal Plausibility Failure
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C1115 2018 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 C1115 2018 Chevrolet Silverado Code
1. What does OBDII code C1115 on a 2018 Chevrolet Silverado mean?
The code C1115 indicates a problem with the Manual Trailer Brake Apply Request Switch Signal in the vehicle.
2. What are the common symptoms of OBDII code C1115 in a 2018 Chevrolet Silverado?
Common symptoms may include issues with the trailer brake system, such as the trailer brakes not engaging properly or the trailer brake warning light illuminating on the dashboard.
3. What can cause OBDII code C1115 to trigger in a 2018 Chevrolet Silverado?
Potential causes of code C1115 may include a malfunctioning trailer brake apply request switch, wiring issues in the trailer brake system, or a faulty control module.
4. How can I diagnose the Manual Trailer Brake Apply Request Switch Signal issue in my 2018 Chevrolet Silverado?
Diagnosing the problem may involve checking the wiring connections related to the trailer brake system, testing the trailer brake apply request switch for proper functionality, and using a scan tool to retrieve more specific diagnostic information.
5. Is it safe to drive my 2018 Chevrolet Silverado with OBDII code C1115 present?
It is not recommended to drive the vehicle with unresolved trailer brake system issues as it can affect braking performance when towing a trailer.
6. Can I repair OBDII code C1115 in a 2018 Chevrolet Silverado myself?
Depending on your level of experience, you may be able to address simpler issues like loose wiring connections or a faulty switch. However, more complex problems may require professional diagnosis and repair.
7. How much does it typically cost to fix OBDII code C1115 in a 2018 Chevrolet Silverado?
The cost of repair can vary based on the specific cause of the issue. Simple fixes like replacing a switch or repairing wiring may be relatively inexpensive, while more involved repairs could be more costly.
8. Will resetting the OBDII code C1115 in my 2018 Chevrolet Silverado make the problem go away?
Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear once the problem is detected again.
9. Can a malfunctioning trailer brake system impact the overall safety of my 2018 Chevrolet Silverado?
Yes, a malfunctioning trailer brake system can compromise the vehicle's ability to safely tow a trailer, potentially leading to dangerous situations on the road.
10. How often should I have my 2018 Chevrolet Silverado's trailer brake system inspected to prevent OBDII code C1115 issues?
Regular inspections of the trailer brake system, especially before towing, can help identify and address any potential problems before they escalate into more serious issues triggering OBDII codes like C1115.
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