P0602 Chevrolet 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 Chevrolet 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.
Code P0602 Chevrolet Description
What are the Possible Causes of the DTC P0602 Chevrolet?
- 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 Chevrolet?
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 Chevrolet 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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Information for Specific Chevrolet Models
- P0602 2014 Chevrolet Silverado — Control Module Not Programmed
- P0602 2015 Chevrolet Silverado — Control Module Not Programmed
- P0602 2016 Chevrolet Silverado — Control Module Not Programmed
- P0602 2017 Chevrolet Silverado — Control Module Not Programmed
- P0602 2018 Chevrolet Silverado — Control Module Not Programmed
Frequently Asked Questions about P0602 Chevrolet Code
1. What are the common symptoms of OBDII code P0602 in a Chevrolet related to the Control Module Not Programmed issue?
- Common symptoms include engine performance issues, stalling, rough idling, and difficulty starting the vehicle.
2. What can cause the OBDII code P0602 in a Chevrolet indicating a Control Module Not Programmed problem?
- The code P0602 can be triggered by a faulty powertrain control module (PCM), a software issue within the PCM, or a communication error between the PCM and other modules.
3. How is the OBDII code P0602 related to a Control Module Not Programmed problem diagnosed in a Chevrolet?
- Diagnosis typically involves using a professional OBDII scanner to retrieve the specific trouble codes, checking for other related codes, and conducting thorough testing of the PCM and associated components.
4. Can a Control Module Not Programmed issue triggered by the P0602 code in a Chevrolet be fixed by resetting the PCM?
- In some cases, a simple reset of the PCM may temporarily clear the code, but it is important to address the underlying cause to prevent the issue from recurring.
5. Are there any DIY repair tips for resolving the Control Module Not Programmed problem indicated by the OBDII code P0602 in a Chevrolet?
- DIY repair options are limited for this issue due to its complexity. It is recommended to consult a professional mechanic with experience in diagnosing and repairing PCM-related problems.
6. What are the potential risks of ignoring the OBDII code P0602 related to a Control Module Not Programmed problem in a Chevrolet?
- Ignoring the P0602 code can lead to further engine performance issues, reduced fuel efficiency, and potential damage to other vehicle components over time.
7. Is it safe to continue driving a Chevrolet with the OBDII code P0602 indicating a Control Module Not Programmed problem?
- It is not recommended to drive the vehicle with an unresolved P0602 code, as it can impact the vehicle's performance and potentially lead to more severe issues if left unchecked.
8. How much does it typically cost to repair the Control Module Not Programmed problem associated with the OBDII code P0602 in a Chevrolet?
- The cost of repairing the P0602 code can vary depending on the specific cause of the issue, but it may involve PCM repairs or replacements, which can range from a few hundred to over a thousand dollars.
9. Are there any recalls or technical service bulletins related to the OBDII code P0602 in Chevrolet vehicles?
- It is advisable to check with Chevrolet dealerships or online databases for any recalls or technical service bulletins specifically addressing the P0602 code and related Control Module Not Programmed issues.
10. Can a software update resolve the Control Module Not Programmed problem triggering the OBDII code P0602 in a Chevrolet?
- In some cases, a software update provided by Chevrolet may address the P0602 code related to a Control Module Not Programmed issue, but it is best to consult with a qualified technician for proper diagnosis and repair.
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