P103E GMC Code - Auxiliary Coolant Pump Control Signal Message Counter Incorrect
Quick Answer
Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Auxiliary Coolant Pump Control Module, Auxiliary Coolant Pump Control Module harness is open or shorted, Auxiliary Coolant Pump 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
- P103E GMC indicates Auxiliary Coolant Pump Control Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Auxiliary Coolant Pump Control Module, Auxiliary Coolant Pump Control Module harness is open or shorted, Auxiliary Coolant Pump 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.
Code P103E GMC Description
What are the Possible Causes of the DTC P103E GMC?
- Faulty Auxiliary Coolant Pump Control Module
- Auxiliary Coolant Pump Control Module harness is open or shorted
- Auxiliary Coolant Pump Control Module circuit poor electrical connection
How to Fix the DTC P103E GMC?
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 P103E GMC 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 P103E GMC code?
Need more information on how to fix the P103E GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P103E GMC code diagnosed by a professional: Find a repair shop in your area
Information for Specific GMC Models
- P103E 2014 GMC Sierra — Auxiliary Coolant Pump Control Signal Message Counter Incorrect
- P103E 2015 GMC Sierra — Auxiliary Coolant Pump Control Signal Message Counter Incorrect
- P103E 2016 GMC Sierra — Auxiliary Coolant Pump Control Signal Message Counter Incorrect
- P103E 2017 GMC Sierra — Auxiliary Coolant Pump Control Signal Message Counter Incorrect
- P103E 2018 GMC Sierra — Auxiliary Coolant Pump Control Signal Message Counter Incorrect
Frequently Asked Questions about P103E GMC Code
1. What are the common symptoms of OBDII code P103E in a GMC vehicle?
- Common symptoms include poor engine performance, overheating, and the Check Engine Light illuminating on the dashboard.
2. What could cause the OBDII code P103E to trigger in a GMC vehicle?
- The code P103E is typically triggered by a malfunction in the auxiliary coolant pump control system, such as a faulty pump or wiring issue.
3. How can I diagnose the OBDII code P103E in my GMC vehicle?
- Diagnosing the code P103E involves using a scan tool to read the code and then inspecting the auxiliary coolant pump, wiring, and connectors for any visible damage.
4. Can I still drive my GMC with the OBDII code P103E present?
- It is not recommended to continue driving your GMC with the code P103E triggered, as it can lead to engine overheating and potential damage.
5. How can I repair the OBDII code P103E in my GMC vehicle?
- Repairing the code P103E involves replacing the faulty auxiliary coolant pump, repairing any damaged wiring, and clearing the code with a scan tool.
6. Are there any DIY tips for fixing the OBDII code P103E in a GMC?
- While some basic troubleshooting like checking the pump connections can be done DIY, it is recommended to have a professional diagnose and repair the issue to ensure proper functionality.
7. What is the importance of the auxiliary coolant pump in a GMC vehicle?
- The auxiliary coolant pump helps regulate the engine's temperature by circulating coolant through the system, preventing overheating and ensuring optimal engine performance.
8. How long does it typically take to repair the OBDII code P103E in a GMC?
- The repair time for the code P103E can vary depending on the extent of the issue, but it usually takes a few hours to diagnose and replace the faulty components.
9. Is the OBDII code P103E a common issue in GMC vehicles?
- While the code P103E may not be as common as other OBDII codes, it can still occur in GMC vehicles with auxiliary coolant pump control systems.
10. Can ignoring the OBDII code P103E lead to more severe engine problems?
- Ignoring the code P103E can potentially lead to engine overheating, which can cause significant damage to the engine components if not addressed promptly.
Discuss the causes and fixes for P103E GMC OBDII Code
Code P103E GMC 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.
