P103D 2017 GMC Sierra Code - Engine Coolant Pump Control Signal Message Counter Incorrect
Quick Answer
The diagnostic trouble code P103D for a 2017 GMC Sierra indicates that the Engine Coolant Pump Control Signal Message Counter is incorrect. Common causes include Faulty engine coolant pump, Wiring or connection issues, ECM software malfunction. 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 GMC Sierra indicates Engine Coolant Pump Control Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty engine coolant pump, Wiring or connection issues, ECM software malfunction.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P103D 2017 GMC Sierra Description
The diagnostic trouble code P103D for a 2017 GMC Sierra indicates that the Engine Coolant Pump Control Signal Message Counter is incorrect. This code typically means that the engine control module (ECM) has detected a discrepancy in the signal message counter related to the engine coolant pump. The engine coolant pump plays a crucial role in maintaining the optimal operating temperature of the engine by circulating coolant through the system. The ECM monitors the signal from the engine coolant pump to ensure that it is functioning correctly and efficiently.
Common Causes of P103D 2017 GMC Sierra
- Faulty engine coolant pump
- Wiring or connection issues
- ECM software malfunction
- Coolant leaks
- Electrical system issues
Symptoms of P103D 2017 GMC Sierra
- Engine overheating
- Reduced engine performance
- Illuminated check engine light
- Increased fuel consumption
- Engine temperature gauge fluctuation
How to Fix P103D 2017 GMC Sierra
- Begin by conducting a visual inspection of the engine coolant pump, wiring, and connections to check for any visible damage or leaks.
- Use a diagnostic scan tool to retrieve the trouble codes and further diagnose the issue with the engine coolant pump control signal message counter.
- Test the engine coolant pump for proper operation and signal output.
- Replace the engine coolant pump if it is found to be faulty or not functioning correctly.
- Clear the trouble codes from the ECM and perform a test drive to ensure that the issue has been resolved.
Cost to Fix P103D 2017 GMC Sierra
The cost of repairing the P103D trouble code on a 2017 GMC Sierra can vary depending on the specific cause of the issue and the cost of parts and labor. Typically, the cost of replacing an engine coolant pump can range from $200 to $500, including parts and labor. Additional costs may be incurred if there are wiring or connection issues that need to be addressed. It is recommended to consult with a certified mechanic or auto repair shop for a more accurate estimate based on the specific circumstances of the vehicle. Keep in mind that labor rates can vary between different repair facilities, so it's advisable to inquire about rates in your local area.
Need more information about the P103D 2017 GMC Sierra code?
Need more information on how to fix the P103D 2017 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P103D 2017 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P103D 2017 GMC Sierra Code
1. What does the OBDII code P103D mean in a 2017 GMC Sierra?
P103D refers to an issue with the engine coolant pump control signal, specifically when the message counter is incorrect or not as expected by the vehicle's control module.
2. What are the common symptoms of code P103D in a 2017 GMC Sierra?
Symptoms may include an illuminated check engine light, engine overheating, decreased fuel efficiency, or erratic coolant pump operation.
3. What causes the P103D code to appear on a 2017 GMC Sierra?
Common causes include a malfunctioning engine coolant pump, damaged electrical wiring or connectors, a software glitch in the control module, or a failure in the pump control circuitry.
4. Can I continue driving my 2017 GMC Sierra with code P103D active?
It is not recommended to drive the vehicle for extended periods, as an improperly functioning coolant pump could lead to engine overheating and potentially severe engine damage.
5. How is code P103D diagnosed in a 2017 GMC Sierra?
A technician will use an OBDII scanner to confirm the code, inspect the coolant pump wiring and connectors, test the functionality of the pump, and check for any software updates.
6. How do I fix the P103D code on a 2017 GMC Sierra?
Potential fixes include repairing or replacing damaged wiring, replacing the engine coolant pump, reprogramming the control module, or updating the vehicle's software if a known issue exists.
7. How much does it cost to repair code P103D on a 2017 GMC Sierra?
Repair costs can vary but typically range from $200 to $800, depending on whether the issue involves wiring repairs, pump replacement, or software updates.
8. Is the P103D code related to a failing water pump?
Yes, a failing or malfunctioning electronic coolant pump can trigger this code due to improper control signal communication with the engine control module.
9. Can a software update fix the P103D code in a 2017 GMC Sierra?
In some cases, a software update for the engine control module may resolve the issue if the problem stems from a programming glitch.
10. What tools are needed to troubleshoot the P103D code on a 2017 GMC Sierra?
Tools typically include an OBDII scanner, a multimeter for testing electrical components, and potentially specialized diagnostic software for module reprogramming.
Discuss the causes and fixes for P103D 2017 GMC Sierra OBDII Code
Code P103D 2017 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.