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P103D 2017 Chevrolet Silverado Code - Engine Coolant Pump Control Signal Message Counter Incorrect

Quick Answer

The diagnostic trouble code P103D for a 2017 Chevrolet Silverado indicates that the Engine Coolant Pump Control Signal Message Counter is incorrect. Common causes include Faulty engine coolant pump control module, Wiring or connection issues, CAN network communication problems. 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
P103D 2017 Chevrolet Silverado indicates Engine Coolant Pump Control Signal Message Counter Incorrect.
Common causes
Common causes include Faulty engine coolant pump control module, Wiring or connection issues, CAN network communication problems.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P103D 2017 Chevrolet Silverado Description

The diagnostic trouble code P103D for a 2017 Chevrolet Silverado indicates that the Engine Coolant Pump Control Signal Message Counter is incorrect. This code is specifically related to the engine coolant pump control module, which is responsible for regulating the flow of coolant through the engine to maintain an optimal operating temperature. The engine coolant pump control module communicates with other modules in the vehicle through a network known as the Controller Area Network (CAN). In this case, the message counter for the signal being sent by the engine coolant pump control module is not within the expected range, indicating a communication issue.

OBDII Code P103D 2017 Chevrolet Silverado - Engine Coolant Pump Control Signal Message Counter Incorrect
P103D 2017 Chevrolet Silverado Code - Engine Coolant Pump Control Signal Message Counter Incorrect

Common Causes of P103D 2017 Chevrolet Silverado

  1. Faulty engine coolant pump control module
  2. Wiring or connection issues
  3. CAN network communication problems
  4. Software glitches in the vehicle's onboard computer

Symptoms of P103D 2017 Chevrolet Silverado

  1. Engine overheating
  2. Reduced engine performance
  3. Increased fuel consumption
  4. Check engine light illuminated

How to Fix P103D 2017 Chevrolet Silverado

  1. Begin by conducting a thorough diagnosis using a professional automotive scan tool to pinpoint the exact cause of the communication issue.
  2. Inspect the wiring and connections associated with the engine coolant pump control module for any damage or corrosion. Repair or replace as necessary.
  3. Test the engine coolant pump control module for faults and replace if deemed defective.
  4. Check the CAN network for any communication problems and address any issues found.
  5. Clear the diagnostic trouble codes and test the vehicle to ensure the issue has been resolved.

Cost to Fix P103D 2017 Chevrolet Silverado

The typical repair costs for addressing a P103D code in a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue. On average, the cost of parts for a new engine coolant pump control module can range from $150 to $300, while labor costs can range from $80 to $150 per hour. The total repair cost, including parts and labor, may fall within the range of $250 to $500. It is important to note that labor rates can vary significantly based on location, so it is advisable to check with local auto repair shops for a more accurate estimate.

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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.

Frequently Asked Questions about P103D 2017 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P103D in a 2017 Chevrolet Silverado?

The common symptoms associated with code P103D include engine overheating, decreased engine performance, and illuminated Check Engine Light.

2. What does the OBDII code P103D indicate in a 2017 Chevrolet Silverado?

Code P103D indicates that the Engine Coolant Pump Control Signal Message Counter is incorrect, suggesting a problem with the engine coolant pump control system.

3. What are the possible causes of OBDII code P103D in a 2017 Chevrolet Silverado?

Possible causes of code P103D include a faulty engine coolant pump, wiring issues in the coolant pump control circuit, or a malfunctioning engine control module (ECM).

4. How can I diagnose OBDII code P103D in my 2017 Chevrolet Silverado?

Diagnosing code P103D may involve checking the coolant pump operation, inspecting the wiring and connectors in the coolant pump circuit, and using a scan tool to monitor the coolant pump control signal.

5. Can I continue driving my 2017 Chevrolet Silverado with OBDII code P103D?

It is not recommended to drive the vehicle with code P103D present, as it can lead to engine overheating and potential damage. It's best to address the issue promptly.

6. How can I repair OBDII code P103D in my 2017 Chevrolet Silverado?

Repairing code P103D may involve replacing the faulty engine coolant pump, repairing any wiring issues, or reprogramming the engine control module (ECM) if necessary.

7. Is it safe to reset the Check Engine Light after fixing OBDII code P103D?

Yes, once the underlying issue causing code P103D is resolved, you can safely reset the Check Engine Light using an OBDII scanner.

8. Can a DIY enthusiast fix OBDII code P103D in a 2017 Chevrolet Silverado?

While some aspects of diagnosing and repairing code P103D can be done by a DIY enthusiast, it may require specialized tools and expertise, so professional help is recommended.

9. How much does it cost to repair OBDII code P103D in a 2017 Chevrolet Silverado?

The cost of repairing code P103D can vary depending on the specific cause of the issue, but it may involve parts and labor costs ranging from $200 to $600 or more.

10. How often does OBDII code P103D occur in a 2017 Chevrolet Silverado?

Code P103D is relatively rare but can occur due to specific issues with the engine coolant pump control system in a 2017 Chevrolet Silverado.

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