Engine-CodesChevrolet – P0604 2017 Chevrolet Silverado

P0604 2017 Chevrolet Silverado Code - Control Module Random Access Memory Performance

Quick Answer

The P0604 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates an issue with the Control Module Random Access Memory (RAM) performance. Common causes include Faulty ECM/PCM, Loose or corroded electrical connections, Damaged wiring harness. 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
P0604 2017 Chevrolet Silverado indicates Control Module Random Access Memory Performance.
Common causes
Common causes include Faulty ECM/PCM, Loose or corroded electrical connections, Damaged wiring harness.
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 15, 2024
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Code P0604 2017 Chevrolet Silverado Description

The P0604 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates an issue with the Control Module Random Access Memory (RAM) performance. The Engine Control Module (ECM) or Powertrain Control Module (PCM) in the vehicle relies on its RAM to store temporary data and execute various functions. When the ECM/PCM detects that the RAM is not performing as expected, it triggers the P0604 code.

OBDII Code P0604 2017 Chevrolet Silverado - Control Module Random Access Memory Performance
P0604 2017 Chevrolet Silverado Code - Control Module Random Access Memory Performance

Common Causes of P0604 2017 Chevrolet Silverado

  1. Faulty ECM/PCM
  2. Loose or corroded electrical connections
  3. Damaged wiring harness
  4. Failing power supply
  5. Defective RAM module

Symptoms of P0604 2017 Chevrolet Silverado

  1. Check Engine Light illuminated
  2. Engine running rough or misfiring
  3. Reduced fuel efficiency
  4. Vehicle stalling or difficulty starting
  5. Loss of power or acceleration

How to Fix P0604 2017 Chevrolet Silverado

  1. Perform a thorough inspection of the ECM/PCM, wiring harness, and electrical connections.
  2. Test the RAM module for proper functionality and replace if necessary.
  3. Clear the DTC and reset the ECM/PCM.
  4. Conduct a test drive to ensure the issue has been resolved.
  5. If the problem persists, consider reprogramming or replacing the ECM/PCM.

Cost to Fix P0604 2017 Chevrolet Silverado

The typical repair costs for addressing a P0604 code on a 2017 Chevrolet Silverado can range from $200 to $500, depending on the specific cause of the issue and the necessary repairs. This estimate includes parts and labor. However, it's important to note that diagnosis time and labor rates at auto repair shops can vary significantly. Rates typically range between $80 and $150 per hour, with higher rates in metropolitan areas or at dealerships and lower rates at independent shops. For a more accurate estimate, it is recommended to check with local auto repair shops.

Tech Notes for P0604 2017 Chevrolet Silverado

Check the Powertrain Control Module (PCM) fuse, if the fuse is OK, then try erasing the code first and if the code comes back you may have to reprogram or replace the PCM.

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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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