AutoCodesChevrolet – C1596 2016 Chevrolet Silverado

C1596 2016 Chevrolet Silverado Code - Trailer Brake Power Control Module Enable Circuit

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
C1596 2016 Chevrolet Silverado indicates Trailer Brake Power Control Module Enable Circuit.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 173
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 17, 2023
💬 Need more help? Ask Coddy for instant answers — it's free!

Code C1596 2016 Chevrolet Silverado Description

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. The Diagnostic Trouble Code (DTC) will be set when the Trailer Brake Power Control Module detects a short to ground or open trailer brake enable signal circuit.
OBDII Code C1596 2016 Chevrolet Silverado - Trailer Brake Power Control Module Enable Circuit - AutoCodes.com
C1596 2016 Chevrolet Silverado Code - Trailer Brake Power Control Module Enable Circuit

What are the Possible Causes of the DTC C1596 2016 Chevrolet Silverado?

  • 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 C1596 2016 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 C1596 2016 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.

Need more information about the C1596 2016 Chevrolet Silverado code?

Need more information on how to fix the C1596 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1596 2016 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C1596 2016 Chevrolet Silverado Code

1. What does the OBDII code C1596 mean on a 2016 Chevrolet Silverado?

C1596 indicates an issue with the Trailer Brake Power Control Module Enable Circuit, which is responsible for managing power to the trailer brake system.

2. What are common symptoms of the C1596 code in a 2016 Chevrolet Silverado?

Symptoms may include the trailer brakes not functioning, a "Service Trailer Brake System" warning on the dashboard, or the inability to tow a trailer safely.

3. What causes the C1596 code in a 2016 Chevrolet Silverado?

Common causes include a faulty trailer brake control module, damaged wiring, corroded connectors, or a blown fuse in the trailer brake circuit.

4. How do I diagnose the C1596 code on my Chevrolet Silverado?

Start by inspecting the trailer brake wiring, connectors, and fuses for damage or corrosion. Use a scan tool to check for additional codes and test the control module.

5. Can a faulty trailer brake control module trigger the C1596 code?

Yes, a faulty trailer brake control module is one of the primary causes of the C1596 code and may need to be replaced if damaged.

6. Is the C1596 code specific to towing a trailer?

Yes, this code is directly related to the trailer brake system, and it may only become apparent when towing or attempting to connect a trailer.

7. How can I fix the C1596 code on my 2016 Chevrolet Silverado?

Repairs may include replacing a blown fuse, repairing damaged wiring, cleaning corroded connectors, or replacing the trailer brake control module if necessary.

8. Can the C1596 code affect the overall braking system of my truck?

No, this code specifically affects the trailer brake system and does not impact the truck's primary braking system.

9. What tools are needed to troubleshoot the C1596 code?

You’ll need a scan tool capable of reading manufacturer-specific codes, a multimeter for testing circuits, and basic tools to inspect and repair wiring or connectors.

10. Is it safe to drive with a C1596 code on my 2016 Silverado?

While the truck itself is safe to drive, towing a trailer without functional trailer brakes can be dangerous. Address the issue before towing.

Discuss the causes and fixes for C1596 2016 Chevrolet Silverado OBDII Code

Code C1596 2016 Chevrolet Silverado comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play