Engine-CodesChevrolet – C1596 2018 Chevrolet Silverado

C1596 2018 Chevrolet Silverado Code - Trailer Brake Power Control Module Enable Circuit

Quick Answer

The C1596 diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado pertains to the Trailer Brake Power Control Module Enable Circuit. Common causes include Damaged wiring or connectors in the trailer brake power control module circuit, Faulty trailer brake power control module, Corrosion or moisture in the electrical connections. 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 2018 Chevrolet Silverado indicates Trailer Brake Power Control Module Enable Circuit.
Common causes
Common causes include Damaged wiring or connectors in the trailer brake power control module circuit, Faulty trailer brake power control module, Corrosion or moisture in the electrical connections.
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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code C1596 2018 Chevrolet Silverado Description

The C1596 diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado pertains to the Trailer Brake Power Control Module Enable Circuit. This code indicates a problem with the circuit that enables the power control module responsible for the trailer brake system in the vehicle. The trailer brake power control module is a crucial component that ensures the proper functioning of the trailer brakes when towing a trailer. When this circuit malfunctions, it can lead to issues with the trailer brake system, affecting the vehicle's ability to safely control and stop the trailer.

OBDII Code C1596 2018 Chevrolet Silverado - Trailer Brake Power Control Module Enable Circuit
C1596 2018 Chevrolet Silverado Code - Trailer Brake Power Control Module Enable Circuit

Common Causes of C1596 2018 Chevrolet Silverado

  1. Damaged wiring or connectors in the trailer brake power control module circuit.
  2. Faulty trailer brake power control module.
  3. Corrosion or moisture in the electrical connections.
  4. Electrical short circuit in the circuitry.
  5. Issues with the vehicle's battery or power supply to the module.

Symptoms of C1596 2018 Chevrolet Silverado

  1. Trailer brakes not engaging when braking while towing a trailer.
  2. Trailer brake warning light illuminated on the dashboard.
  3. Inconsistent or delayed response from the trailer brakes.
  4. Loss of trailer brake functionality while towing.

How to Fix C1596 2018 Chevrolet Silverado

  1. Begin by conducting a thorough inspection of the trailer brake power control module circuit, checking for any visible damage or corrosion.
  2. Test the power control module and its connections using a multimeter to identify any electrical faults.
  3. Replace any damaged wiring or connectors in the circuit.
  4. If the power control module is faulty, replace it with a new one.
  5. Clear the DTC from the vehicle's computer system and test the trailer brake system to ensure proper functionality.

Cost to Fix C1596 2018 Chevrolet Silverado

The cost of repairing the Trailer Brake Power Control Module Enable Circuit issue can vary depending on the extent of the damage and the specific parts that need to be replaced. On average, the repair costs for this type of issue can range from $200 to $500, including parts and labor. However, it's important to note that labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Additionally, the cost of the power control module itself can impact the overall repair expenses. It's recommended to obtain a detailed quote from a reputable auto repair shop to get an accurate estimate for this repair.

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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.

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