C1595 GMC 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 GMC 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 GMC Description
What are the Possible Causes of the DTC C1595 GMC?
- 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 GMC?
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 GMC 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 GMC code?
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Information for Specific GMC Models
- C1595 2014 GMC Sierra — Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction
- C1595 2015 GMC Sierra — Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction
- C1595 2016 GMC Sierra — Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction
- C1595 2017 GMC Sierra — Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction
- C1595 2018 GMC Sierra — Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction
Frequently Asked Questions about C1595 GMC Code
1. What are common symptoms of OBDII code C1595 GMC?
Common symptoms include the trailer brake system not working properly, warning lights on the dashboard, and potential issues with the trailer brake module.
2. What can cause the OBDII code C1595 GMC to appear?
Possible causes include damaged wiring 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 OBDII code C1595 GMC?
Diagnosis involves inspecting the trailer brake system wiring, checking the trailer brake power control module for faults, and testing the trailer brake signal circuit for continuity.
4. Can I still drive my vehicle with the OBDII code C1595 GMC present?
It is not recommended to drive the vehicle with this code present, as it may affect the functionality of the trailer brake system and compromise safety.
5. How can I repair OBDII code C1595 GMC?
Repairs may involve repairing or replacing damaged wiring, replacing the trailer brake power control module, or addressing any issues with the trailer brake signal circuit.
6. Are there any DIY tips for addressing OBDII code C1595 GMC?
DIY tips include checking and securing all trailer brake system connections, inspecting the trailer brake system wiring for damage, and ensuring proper power supply to the trailer brake power control module.
7. Can weather conditions affect the appearance of OBDII code C1595 GMC?
Extreme weather conditions or exposure to moisture can potentially cause issues with the trailer brake system wiring, leading to the appearance of this fault code.
8. Will resetting the OBDII code C1595 GMC make it go away permanently?
Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear.
9. Is it necessary to visit a mechanic for OBDII code C1595 GMC diagnosis and repair?
While some DIY checks can be performed, it is recommended to consult a qualified mechanic for a thorough diagnosis and proper repair of this fault code.
10. How can I prevent OBDII code C1595 GMC from reoccurring in the future?
Regular maintenance checks on the trailer brake system, ensuring proper wiring connections, and addressing any issues promptly can help prevent the reappearance of this fault code.
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