C1595 2015 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 2015 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 2015 GMC Sierra Description
What are the Possible Causes of the DTC C1595 2015 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 2015 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 2015 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.
Need more information about the C1595 2015 GMC Sierra code?
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Frequently Asked Questions about C1595 2015 GMC Sierra Code
1. What are the common symptoms of OBDII code C1595 in a 2015 GMC Sierra related to the Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction?
- Common symptoms include the trailer brakes not working properly, the trailer brake warning light on the dashboard illuminating, and potential issues with trailer brake control.
2. What are some possible causes of OBDII code C1595 in a 2015 GMC Sierra?
- Possible causes may include damaged wiring or connectors in the trailer brake system, a faulty trailer brake power control module, or issues with the trailer brake signal circuit.
3. How can I diagnose the Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction in my 2015 GMC Sierra?
- To diagnose this issue, you may need to inspect the wiring and connectors in the trailer brake system, check the trailer brake power control module for functionality, and test the trailer brake signal circuit for proper operation.
4. Can I still use my trailer with OBDII code C1595 present in my 2015 GMC Sierra?
- It is not recommended to use your trailer when this code is present, as it indicates a malfunction in the trailer brake system that could compromise braking performance and safety.
5. What steps should I take to repair OBDII code C1595 in my 2015 GMC Sierra?
- The repair process may involve fixing any damaged wiring or connectors, replacing the trailer brake power control module if necessary, and ensuring that the trailer brake signal circuit is functioning correctly.
6. Is it possible to clear OBDII code C1595 in a 2015 GMC Sierra without fixing the underlying issue?
- While you can clear the code temporarily, it is crucial to address the root cause of the problem to prevent it from recurring and ensure the safety of your trailer brake system.
7. How do I reset the trailer brake system after resolving OBDII code C1595 in my 2015 GMC Sierra?
- After fixing the issue causing the code, you may need to reset the trailer brake system by following the specific procedures outlined in the vehicle's owner's manual or seeking assistance from a professional technician.
8. Can extreme weather conditions contribute to the occurrence of OBDII code C1595 in a 2015 GMC Sierra?
- Yes, extreme weather conditions such as excessive moisture or corrosion can affect the trailer brake system components, potentially leading to the malfunction indicated by code C1595.
9. Are there any preventive maintenance tips to avoid encountering OBDII code C1595 in a 2015 GMC Sierra?
- Regularly inspecting and maintaining the trailer brake system, keeping connectors clean and free of corrosion, and addressing any wiring issues promptly can help prevent the occurrence of code C1595.
10. How long does it typically take to repair OBDII code C1595 in a 2015 GMC Sierra?
- The repair time can vary based on the specific cause of the issue, the availability of parts, and the expertise of the person performing the repairs. It is recommended to consult a professional technician for an accurate estimate.
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