AutoCodes – Chevrolet – P0602 2014 Chevrolet Silverado

P0602 2014 Chevrolet Silverado Code - Control Module Not Programmed

Quick Answer

This diagnostic applies to internal microprocessor integrity conditions within the Engine Control Module (ECM). Common causes include Low battery voltage, Reprogram Engine Control Module (ECM), Faulty Engine Control Module. 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: P0602 2014 Chevrolet Silverado indicates Control Module Not Programmed.
Common causes: Common causes include Low battery voltage, Reprogram Engine Control Module (ECM), Faulty Engine Control Module.
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 377

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 Mar 29, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0602 2014 Chevrolet Silverado Description

This diagnostic applies to internal microprocessor integrity conditions within the Engine Control Module (ECM). This diagnostic also addresses if the ECM is not programmed. The ECM monitors its ability to read and write to the memory. It also monitors a timing function. No external circuits are involved. The Diagnostic Trouble Code (DTC) will be set when the ECM detects an internal failure or incomplete programming for more than 10 s.

OBDII Code P0602 2014 Chevrolet Silverado - Control Module Not Programmed - AutoCodes.com — P0602 2014 Chevrolet Silverado Code - Control Module Not Programmed

What does this mean?

What are the Possible Causes of the DTC P0602 2014 Chevrolet Silverado?

Low battery voltage
Reprogram Engine Control Module (ECM)
Faulty Engine Control Module
Engine Control Module harness is open or shorted
Engine Control Module circuit poor electrical connection

How to Fix the DTC P0602 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 P0602 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 P0602 2014 Chevrolet Silverado code?

Need more information on how to fix the P0602 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 P0602 2014 Chevrolet Silverado Code

1. What does the OBDII code P0602 in a 2014 Chevrolet Silverado mean?

The code P0602 indicates that the Engine Control Module (ECM) has not been programmed correctly or is experiencing internal memory issues.

2. What are the common symptoms of a P0602 code in a 2014 Chevrolet Silverado?

Common symptoms of a P0602 code include engine stalling, rough idling, poor acceleration, and in some cases, the vehicle may not start at all.

3. What are the possible causes of a P0602 code in a 2014 Chevrolet Silverado?

Possible causes of a P0602 code include a faulty ECM, issues with the ECM programming, electrical problems, or a weak battery causing voltage fluctuations.

4. How can I diagnose a P0602 code in my 2014 Chevrolet Silverado?

Diagnosing a P0602 code typically involves checking the ECM for proper programming, inspecting the wiring and connectors for any damage, and testing the battery and charging system for proper voltage levels.

5. Can I drive my 2014 Chevrolet Silverado with a P0602 code?

It is not recommended to drive your vehicle with a P0602 code as it can lead to further damage and potential safety hazards. It is best to address the issue promptly.

6. How can I repair a P0602 code in my 2014 Chevrolet Silverado?

Repairing a P0602 code may involve reprogramming the ECM, replacing the ECM if necessary, fixing any wiring or connector issues, and ensuring the battery is in good condition.

7. Can a P0602 code be cleared with a simple reset?

Clearing a P0602 code with a simple reset may temporarily eliminate the warning light, but the underlying issue causing the code will persist until properly addressed.

8. Is it necessary to visit a dealership for a P0602 code in a 2014 Chevrolet Silverado?

While visiting a dealership for a P0602 code is recommended for accurate diagnosis and repair, an experienced mechanic or automotive technician can also address the issue effectively.

9. How much does it cost to repair a P0602 code in a 2014 Chevrolet Silverado?

The cost of repairing a P0602 code can vary depending on the exact cause of the issue. It may range from a simple programming update to replacing the ECM, potentially costing a few hundred to a few thousand dollars.

10. How can I prevent a P0602 code from reoccurring in my 2014 Chevrolet Silverado?

To prevent a P0602 code from reoccurring, it is essential to maintain your vehicle regularly, ensure the battery is in good condition, and address any electrical issues promptly to avoid ECM programming errors.