AutoCodes – Chevrolet – P0602 2015 Chevrolet Silverado

P0602 2015 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 2015 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 445

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 2015 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 2015 Chevrolet Silverado - Control Module Not Programmed - AutoCodes.com — P0602 2015 Chevrolet Silverado Code - Control Module Not Programmed

What does this mean?

What are the Possible Causes of the DTC P0602 2015 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 2015 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 2015 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 2015 Chevrolet Silverado code?

Need more information on how to fix the P0602 2015 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 2015 Chevrolet Silverado Code

1. What does the OBDII code P0602 mean on a 2015 Chevrolet Silverado?

P0602 indicates that the control module, such as the ECM or PCM, is not programmed or has an incomplete or corrupted software configuration.

2. What are the common symptoms of code P0602 on a 2015 Chevrolet Silverado?

Symptoms may include a check engine light, poor engine performance, difficulty starting the vehicle, or the engine not starting at all.

3. What causes the P0602 code to appear on a 2015 Chevrolet Silverado?

Common causes include a control module that has not been programmed, incorrect or failed programming, software corruption, or a faulty control module.

4. Can I drive my 2015 Chevrolet Silverado with a P0602 code?

Itâ€™s not recommended to drive the vehicle with this code, as it may cause drivability issues or lead to further damage to the control module.

5. How do I fix the P0602 code on a 2015 Chevrolet Silverado?

The most common fix is reprogramming or flashing the control module with the correct software using a compatible scan tool. If reprogramming fails, the module may need replacement.

6. How much does it cost to fix a P0602 code on a 2015 Chevrolet Silverado?

Reprogramming the control module typically costs $100 to $200. Replacing and programming a new control module can cost $500 to $1,000, depending on labor and parts.

7. Can a dead battery cause the P0602 code on a 2015 Chevrolet Silverado?

Yes, a dead or weak battery during programming or software updates can corrupt the control module, triggering the P0602 code.

8. What tools are needed to reprogram the control module for a P0602 code?

Reprogramming requires a professional-grade scan tool or a GM Tech 2 diagnostic tool with access to the latest software updates for the Silverado.

9. Can the P0602 code on a 2015 Chevrolet Silverado clear itself?

No, the P0602 code will not clear itself. The control module must be properly programmed or replaced to resolve the issue.

10. Does replacing the control module always fix the P0602 code on a 2015 Chevrolet Silverado?

Not always. If the replacement module is not programmed correctly or if a related wiring or power issue exists, the code may persist. Proper diagnostics are essential.