P14A0 2014 GMC Sierra Code - Charge Air Cooler Coolant Pump Status 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 Charge Air Cooler Coolant Pump, Charge Air Cooler Coolant Pump harness is open or shorted, Charge Air Cooler Coolant Pump 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
- P14A0 2014 GMC Sierra indicates Charge Air Cooler Coolant Pump Status Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Charge Air Cooler Coolant Pump, Charge Air Cooler Coolant Pump harness is open or shorted, Charge Air Cooler Coolant Pump 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 P14A0 2014 GMC Sierra Description
What are the Possible Causes of the DTC P14A0 2014 GMC Sierra?
- Faulty Charge Air Cooler Coolant Pump
- Charge Air Cooler Coolant Pump harness is open or shorted
- Charge Air Cooler Coolant Pump circuit poor electrical connection
How to Fix the DTC P14A0 2014 GMC Sierra?
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 P14A0 2014 GMC Sierra 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.
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Frequently Asked Questions about P14A0 2014 GMC Sierra Code
1. What does OBD-II code P14A0 mean on a 2014 GMC Sierra?
P14A0 indicates an issue with the Charge Air Cooler Coolant Pump Status Signal, specifically that the message counter is incorrect, suggesting a communication or operational fault with the pump.
2. What are the symptoms of code P14A0 on a 2014 GMC Sierra?
Common symptoms include reduced engine performance, overheating of the charge air cooler system, illuminated check engine light, and possible decreased fuel efficiency.
3. What causes code P14A0 to appear on a 2014 GMC Sierra?
The code can be caused by a faulty charge air cooler coolant pump, wiring issues, a malfunctioning control module, or a software issue impacting the signal communication.
4. Can I drive my 2014 GMC Sierra with code P14A0?
Driving with this code is not recommended, as it can lead to higher intake air temperatures, reduced engine performance, and potential long-term engine damage if the problem persists.
5. How do I diagnose code P14A0 on a 2014 GMC Sierra?
Start by checking the charge air cooler coolant pump for proper operation, inspect the wiring and connectors for damage or corrosion, and use a scan tool to verify the signals and communication from the pump.
6. How is code P14A0 repaired on a 2014 GMC Sierra?
Repairs may include replacing the charge air cooler coolant pump, repairing or replacing damaged wiring, updating the vehicle’s control module software, or resetting the system after repairs.
7. Is the charge air cooler coolant pump covered under warranty for a 2014 GMC Sierra?
Warranty coverage depends on your specific warranty terms and mileage. Check with your GMC dealer to confirm if this repair is covered.
8. Can a software update fix code P14A0 on a 2014 GMC Sierra?
In some cases, a software update to the engine control module (ECM) or related control systems can resolve communication issues that trigger P14A0.
9. What tools are needed to fix code P14A0 on a 2014 GMC Sierra?
You’ll typically need an OBD-II scanner, a multimeter for testing electrical components, and potentially special tools for replacing the coolant pump or repairing wiring.
10. How much does it cost to fix code P14A0 on a 2014 GMC Sierra?
Repair costs can vary depending on the exact cause, but replacing the charge air cooler coolant pump typically ranges from $300 to $600, including parts and labor.
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