C1595 2017 GMC Sierra Code - Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction
Quick Answer
The Chassis Control Module-Auxiliary receives inputs from the Trailer Brake Power Control Module; these inputs are used to determine trailer connection and the amount of voltage supplied to the trailer brakes. Common causes include Faulty Trailer Brake Power Control Module, Trailer Brake Power Control Module harness is open or shorted, Trailer Brake Power Control Module 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
- C1595 2017 GMC Sierra indicates Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction.
- Common causes
- Common causes include Faulty Trailer Brake Power Control Module, Trailer Brake Power Control Module harness is open or shorted, Trailer Brake Power Control Module 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 C1595 2017 GMC Sierra Description
What are the Possible Causes of the DTC C1595 2017 GMC Sierra?
- Faulty Trailer Brake Power Control Module
- Trailer Brake Power Control Module harness is open or shorted
- Trailer Brake Power Control Module circuit poor electrical connection
- Faulty Chassis Control Module-Auxiliary
How to Fix the DTC C1595 2017 GMC Sierra?
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 C1595 2017 GMC Sierra 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 C1595 2017 GMC Sierra Code
1. What are the common symptoms of OBDII code C1595 in a 2017 GMC Sierra related to the Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction?
- Common symptoms include trailer brake system failure, warning lights on the dashboard, and potential issues with trailer braking performance.
2. What are the possible causes of OBDII code C1595 in a 2017 GMC Sierra?
- Possible causes include damaged wiring or connectors in the trailer brake system, a malfunctioning trailer brake power control module, or a faulty trailer brake switch.
3. How can I diagnose the issue causing OBDII code C1595 in my 2017 GMC Sierra?
- To diagnose the problem, you can start by inspecting the trailer brake wiring, connectors, and components for any visible damage or corrosion. Using a multimeter to test for continuity and proper voltage can also help pinpoint the issue.
4. Can I still safely drive my 2017 GMC Sierra with OBDII code C1595 present?
- It is not recommended to drive the vehicle with this code active, as it indicates a malfunction in the trailer brake system that can affect braking performance when towing a trailer.
5. How can I reset OBDII code C1595 in my 2017 GMC Sierra after making repairs?
- After repairing the underlying issue causing the code, you can reset it using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes to clear the code.
6. Is it possible to repair OBDII code C1595 in a 2017 GMC Sierra myself, or should I seek professional help?
- Depending on your experience and expertise in automotive repairs, you may be able to address the issue yourself by inspecting and repairing the trailer brake system components. However, if you are unsure or uncomfortable with the task, it is advisable to seek professional assistance.
7. Are there any preventive measures I can take to avoid encountering OBDII code C1595 in my 2017 GMC Sierra in the future?
- Regularly inspecting and maintaining the trailer brake system, ensuring proper wiring connections, and using compatible trailers and accessories can help prevent issues that may trigger this OBDII code.
8. Can extreme weather conditions or rough road conditions contribute to triggering OBDII code C1595 in a 2017 GMC Sierra?
- Yes, extreme weather conditions, such as heavy rain or snow, as well as rough road conditions can potentially damage the trailer brake system components and wiring, leading to the malfunction indicated by this OBDII code.
9. Will fixing OBDII code C1595 in my 2017 GMC Sierra require replacement parts, or can it be resolved through simple repairs?
- The resolution of this code may vary depending on the root cause. In some cases, simple repairs like fixing wiring connections may suffice, while in other instances, replacement parts such as the trailer brake power control module may be necessary.
10. How crucial is it to address OBDII code C1595 promptly in a 2017 GMC Sierra to ensure safe towing operations?
- It is essential to address this code promptly to maintain the safe operation of the trailer brake system while towing. Ignoring the issue can lead to potential brake failures and compromise safety on the road.
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