AutoCodes – Chevrolet – P14A0 2014 Chevrolet Silverado

P14A0 2014 Chevrolet Silverado 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 Chevrolet Silverado 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.

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Code Popularity 211

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 28, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P14A0 2014 Chevrolet Silverado Description

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Operating information and commands are exchanged among the control modules. Each module on the serial data circuit maintains a transmit error counter and a receive error counter. The counter values increase with detected errors and decrease with error-free messages. The Diagnostic Trouble Code (DTC) will be set when the Charge Air Cooler Coolant Pump Status Signal Message Counter is Incorrect.

OBDII Code P14A0 2014 Chevrolet Silverado - Charge Air Cooler Coolant Pump Status Signal Message Counter Incorrect - AutoCodes.com — P14A0 2014 Chevrolet Silverado Code - Charge Air Cooler Coolant Pump Status Signal Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P14A0 2014 Chevrolet Silverado?

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 Chevrolet Silverado?

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 Chevrolet Silverado 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 P14A0 2014 Chevrolet Silverado code?

Need more information on how to fix the P14A0 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P14A0 2014 Chevrolet Silverado Code

1. What does the OBDII code P14A0 mean on a 2014 Chevrolet Silverado?

The P14A0 code indicates an issue with the Charge Air Cooler (CAC) coolant pump status signal, specifically that the message counter is incorrect or invalid.

2. What are the common symptoms of the P14A0 code?

Symptoms may include reduced engine performance, poor fuel efficiency, illuminated check engine light, or increased engine temperatures.

3. What causes the P14A0 code to appear?

Common causes include a malfunctioning CAC coolant pump, wiring or connector issues, or a fault in the Engine Control Module (ECM) communication.

4. Can I drive my Silverado with the P14A0 code active?

Driving with this code is not recommended, as it can lead to engine overheating or reduced performance due to improper cooling of the charge air.

5. How do I diagnose the P14A0 code?

Diagnosis typically involves inspecting the CAC coolant pump, checking electrical connections and wiring, and verifying proper communication between the pump and the ECM.

6. How do I repair the P14A0 code on my 2014 Chevrolet Silverado?

Repairs may include replacing a faulty CAC coolant pump, repairing damaged wiring or connectors, or reprogramming or replacing the ECM if necessary.

7. What tools are needed to troubleshoot the P14A0 code?

Tools may include an OBDII scanner, a multimeter for electrical testing, and possibly a service manual for wiring diagrams and specifications.

8. How much does it cost to fix the P14A0 code?

Repair costs vary depending on the exact issue but can range from $200 to $600 for parts and labor, especially if the CAC coolant pump needs replacement.

9. Can a software update resolve the P14A0 code?

In some cases, a software update for the ECM may resolve the issue if the problem is related to a communication error or a firmware bug.

10. Is the P14A0 code specific to the 2014 Chevrolet Silverado?

While it is common on this model, the P14A0 code may also appear on other vehicles with similar CAC systems, particularly those using the same engine or ECM setup.